Motor Protection and Control REM615 Application Manual€¦ · Section 3 REM615 standard configurations.....23 Standard configuration.....23 Addition of control functions for primary

Relion® 615 series

Motor Protection and ControlREM615Application Manual

Document ID: 1MRS756885Issued: 2012-05-11

Revision: EProduct version: 4.0

© Copyright 2012 ABB. All rights reserved

CopyrightThis document and parts thereof must not be reproduced or copied without writtenpermission from ABB, and the contents thereof must not be imparted to a thirdparty, nor used for any unauthorized purpose.

The software or hardware described in this document is furnished under a licenseand may be used, copied, or disclosed only in accordance with the terms of suchlicense.

TrademarksABB and Relion are registered trademarks of the ABB Group. All other brand orproduct names mentioned in this document may be trademarks or registeredtrademarks of their respective holders.

WarrantyPlease inquire about the terms of warranty from your nearest ABB representative.

http://www.abb.com/substationautomation

HTTP://WWW.ABB.COM/SUBSTATIONAUTOMATION

DisclaimerThe data, examples and diagrams in this manual are included solely for the conceptor product description and are not to be deemed as a statement of guaranteedproperties. All persons responsible for applying the equipment addressed in thismanual must satisfy themselves that each intended application is suitable andacceptable, including that any applicable safety or other operational requirementsare complied with. In particular, any risks in applications where a system failure and/or product failure would create a risk for harm to property or persons (including butnot limited to personal injuries or death) shall be the sole responsibility of theperson or entity applying the equipment, and those so responsible are herebyrequested to ensure that all measures are taken to exclude or mitigate such risks.

This document has been carefully checked by ABB but deviations cannot becompletely ruled out. In case any errors are detected, the reader is kindly requestedto notify the manufacturer. Other than under explicit contractual commitments, inno event shall ABB be responsible or liable for any loss or damage resulting fromthe use of this manual or the application of the equipment.

ConformityThis product complies with the directive of the Council of the EuropeanCommunities on the approximation of the laws of the Member States relating toelectromagnetic compatibility (EMC Directive 2004/108/EC) and concerningelectrical equipment for use within specified voltage limits (Low-voltage directive2006/95/EC). This conformity is the result of tests conducted by ABB inaccordance with the product standards EN 50263 and EN 60255-26 for the EMCdirective, and with the product standards EN 60255-1 and EN 60255-27 for the lowvoltage directive. The product is designed in accordance with the internationalstandards of the IEC 60255 series.

Table of contents

Section 1 Introduction.......................................................................5This manual........................................................................................5Intended audience..............................................................................5Product documentation.......................................................................5

Product documentation set............................................................5Document revision history.............................................................6Related documentation..................................................................6

Symbols and conventions...................................................................7Symbols.........................................................................................7Document conventions..................................................................7Functions, codes and symbols......................................................8

Section 2 REM615 overview..........................................................11Overview...........................................................................................11

Product version history................................................................11PCM600 and IED connectivity package version..........................12

Operation functionality......................................................................12Optional functions........................................................................12

Physical hardware............................................................................12Local HMI.........................................................................................14

Display.........................................................................................15LEDs............................................................................................16Keypad........................................................................................16

Web HMI...........................................................................................16Authorization.....................................................................................17

Audit trail......................................................................................18Communication.................................................................................20

Section 3 REM615 standard configurations...................................23Standard configuration.....................................................................23

Addition of control functions for primary devices and theuse of binary inputs and outputs..................................................25

Connection diagrams........................................................................26Presentation of standard configurations...........................................31Standard configuration A..................................................................32

Applications.................................................................................32Functions.....................................................................................32

Default I/O connections..........................................................33Default disturbance recorder settings.....................................35

Functional diagrams....................................................................35

Table of contents

REM615 1Application Manual

Functional diagrams for protection.........................................35Functional diagrams for disturbance recorder andsupervision functions..............................................................42Functional diagrams for control and interlocking....................44

Standard configuration B..................................................................46Applications.................................................................................46Functions.....................................................................................47


Functional diagrams....................................................................50Functional diagrams for protection.........................................51Functional diagrams for disturbance recorder andsupervision functions..............................................................59Functional diagrams for control and interlocking....................61

Standard configuration C..................................................................64Applications.................................................................................64Functions.....................................................................................64


Functional diagrams....................................................................67Functional diagrams for protection.........................................68Functional diagrams for disturbance recorder andsupervision functions..............................................................76Functional diagrams for control and interlocking....................78

Section 4 Requirements for measurement transformers................83Current transformers........................................................................83

Current transformer requirements for non-directionalovercurrent protection..................................................................83

Current transformer accuracy class and accuracy limitfactor......................................................................................83Non-directional overcurrent protection...................................84Example for non-directional overcurrent protection................85

Section 5 IED physical connections...............................................87Inputs................................................................................................87

Energizing inputs.........................................................................87Phase currents.......................................................................87Residual current.....................................................................87Phase voltages.......................................................................87Residual voltage.....................................................................88

RTD/mA inputs............................................................................88Auxiliary supply voltage input......................................................89Binary inputs................................................................................89Optional light sensor inputs.........................................................91

Table of contents

2 REM615Application Manual

Outputs.............................................................................................91Outputs for tripping and controlling..............................................91Outputs for signalling...................................................................92IRF...............................................................................................93

Section 6 Glossary.........................................................................95

Table of contents


4

Section 1 Introduction

1.1 This manual

The application manual contains application descriptions and setting guidelinessorted per function. The manual can be used to find out when and for what purposea typical protection function can be used. The manual can also be used whencalculating settings.

1.2 Intended audience

This manual addresses the protection and control engineer responsible forplanning, pre-engineering and engineering.

The protection and control engineer must be experienced in electrical powerengineering and have knowledge of related technology, such as protection schemesand principles.

1.3 Product documentation

1.3.1 Product documentation setThe application manual contains application descriptions and setting guidelinessorted per function. The manual can be used to find out when and for what purposea typical protection function can be used. The manual can also be used whencalculating settings.

The communication protocol manual describes a communication protocolsupported by the IED. The manual concentrates on vendor-specific implementations.

The engineering guide provides information for IEC 61850 engineering of the 615series protection IEDs with PCM600 and IET600. This guide concentratesespecially on the configuration of GOOSE communication with these tools. Theguide can be used as a technical reference during the engineering phase,installation and commissioning phase, and during normal service. For more detailson tool usage, see the PCM600 documentation.

The engineering manual contains instructions on how to engineer the IEDs usingthe different tools in PCM600. The manual provides instructions on how to set up aPCM600 project and insert IEDs to the project structure. The manual also

1MRS756885 E Section 1Introduction


recommends a sequence for engineering of protection and control functions, LHMIfunctions as well as communication engineering for IEC 61850 and othersupported protocols.

The installation manual contains instructions on how to install the IED. Themanual provides procedures for mechanical and electrical installation. The chaptersare organized in chronological order in which the IED should be installed.

The operation manual contains instructions on how to operate the IED once it hasbeen commissioned. The manual provides instructions for monitoring, controllingand setting the IED. The manual also describes how to identify disturbances andhow to view calculated and measured power grid data to determine the cause of afault.

The point list manual describes the outlook and properties of the data pointsspecific to the IED. The manual should be used in conjunction with thecorresponding communication protocol manual.

The technical manual contains application and functionality descriptions and listsfunction blocks, logic diagrams, input and output signals, setting parameters andtechnical data sorted per function. The manual can be used as a technical referenceduring the engineering phase, installation and commissioning phase, and duringnormal service.

1.3.2 Document revision historyDocument revision/date Product version HistoryA/2009-07-03 2.0 First release

B/2010-06-11 3.0 Content updated to correspond to theproduct version

C/2010-06-29 3.0 Terminology updated

D/2010-09-24 3.0 Content updated

E/2012-05-11 4.0 Content updated to correspond to theproduct version

Download the latest documents from the ABB Web sitehttp://www.abb.com/substationautomation.

1.3.3 Related documentationName of the document Document IDModbus Communication Protocol Manual 1MRS756468

DNP3 Communication Protocol Manual 1MRS756709

IEC 60870-5-103 Communication Protocol Manual 1MRS756710

IEC 61850 Engineering Guide 1MRS756475

Table continues on next page

Section 1 1MRS756885 EIntroduction



Name of the document Document IDEngineering Manual 1MRS757121

Installation Manual 1MRS756375

Operation Manual 1MRS756708

Technical Manual 1MRS756887

1.4 Symbols and conventions

1.4.1 Symbols

The electrical warning icon indicates the presence of a hazardwhich could result in electrical shock.

The warning icon indicates the presence of a hazard which couldresult in personal injury.

The caution icon indicates important information or warning relatedto the concept discussed in the text. It might indicate the presenceof a hazard which could result in corruption of software or damageto equipment or property.

The information icon alerts the reader of important facts andconditions.

The tip icon indicates advice on, for example, how to design yourproject or how to use a certain function.

Although warning hazards are related to personal injury, it is necessary tounderstand that under certain operational conditions, operation of damagedequipment may result in degraded process performance leading to personal injuryor death. Therefore, comply fully with all warning and caution notices.

1.4.2 Document conventionsA particular convention may not be used in this manual.



• Abbreviations and acronyms in this manual are spelled out in the glossary. Theglossary also contains definitions of important terms.

• Push-button navigation in the LHMI menu structure is presented by using thepush-button icons.To navigate between the options, use and .

• HMI menu paths are presented in bold.Select Main menu/Settings.

• LHMI messages are shown in Courier font.To save the changes in non-volatile memory, select Yes and press .

• Parameter names are shown in italics.The function can be enabled and disabled with the Operation setting.

• Parameter values are indicated with quotation marks.The corresponding parameter values are "On" and "Off".

• IED input/output messages and monitored data names are shown in Courier font.When the function starts, the START output is set to TRUE.

1.4.3 Functions, codes and symbolsTable 1: REM615 functions, codes and symbols

Function IEC 61850 IEC 60617 IEC-ANSIProtection

Three-phase non-directional overcurrentprotection, low stage PHLPTOC1 3I> (1) 51P-1 (1)

Three-phase non-directional overcurrentprotection, instantaneous stage PHIPTOC1 3I>>> (1) 50P/51P (1)

Non-directional earth-fault protection, low stage EFLPTOC1 Io> (1) 51N-1 (1)

Non-directional earth-fault protection, high stage EFHPTOC1 Io>> (1) 51N-2 (1)

Directional earth-fault protection, low stage DEFLPDEF1 Io> -> (1) 67N-1 (1)

Three-phase undervoltage protection PHPTUV1 3U< (1) 27 (1)

Positive-sequence undervoltage protection PSPTUV1 U1< (1) 47U+ (1)

Negative-sequence overvoltage protection NSPTOV1 U2> (1) 47O- (1)

Frequency protection FRPFRQ1 f>/f<,df/dt (1) 81 (1)

FRPFRQ2 f>/f<,df/dt (2) 81 (2)

Negative-sequence overcurrent protection formotors

MNSPTOC1 I2>M (1) 46M (1)

MNSPTOC2 I2>M (2) 46M (2)

Loss of load supervision LOFLPTUC1 3I< 37

Motor load jam protection JAMPTOC1 Ist> 51LR

Motor start-up supervision STTPMSU1 Is2t n< 49,66,48,51LR

Phase reversal protection PREVPTOC1 I2>> 46R

Thermal overload protection for motors MPTTR1 3Ith>M 49M

Circuit breaker failure protection CCBRBRF1 3I>/Io>BF 51BF/51NBF

Master trip TRPPTRC1 Master Trip (1) 94/86 (1)

TRPPTRC2 Master Trip (2) 94/86 (2)


Section 1 1MRS756885 EIntroduction


Function IEC 61850 IEC 60617 IEC-ANSIArc protection ARCSARC1 ARC (1) 50L/50NL (1)

ARCSARC2 ARC (2) 50L/50NL (2)

ARCSARC3 ARC (3) 50L/50NL (3)

Multi-purpose protection MAPGAPC1 MAP (1) MAP (1)

MAPGAPC2 MAP (2) MAP (2)





Control

Circuit-breaker control CBXCBR1 I <-> O CB I <-> O CB

Disconnector control DCXSWI1 I <-> O DCC (1) I <-> O DCC (1)

DCXSWI2 I <-> O DCC (2) I <-> O DCC (2)

Earthing switch control ESXSWI1 I <-> O ESC I <-> O ESC

Disconnector position indication DCSXSWI1 I <-> O DC (1) I <-> O DC (1)

DCSXSWI2 I <-> O DC (2) I <-> O DC (2)

DCSXSWI3 I <-> O DC (3) I <-> O DC (3)

Earthing switch indication ESSXSWI1 I <-> O ES (1) I <-> O ES (1)

ESSXSWI2 I <-> O ES (2) I <-> O ES (2)

Emergergency startup ESMGAPC1 ESTART ESTART

Condition monitoring

Circuit-breaker condition monitoring SSCBR1 CBCM CBCM

Trip circuit supervision TCSSCBR1 TCS (1) TCM (1)

TCSSCBR2 TCS (2) TCM (2)

Current circuit supervision CCRDIF1 MCS 3I MCS 3I

Fuse failure supervision SEQRFUF1 FUSEF 60

Runtime counter for machines and devices MDSOPT1 OPTS OPTM

Measurement

Disturbance recorder RDRE1 - -

Three-phase current measurement CMMXU1 3I 3I

Sequence current measurement CSMSQI1 I1, I2, I0 I1, I2, I0

Residual current measurement RESCMMXU1 Io In

Three-phase voltage measurement VMMXU1 3U 3U

Residual voltage measurement RESVMMXU1 Uo Vn

Sequence voltage measurement VSMSQI1 U1, U2, U0 U1, U2, U0

Three-phase power and energy measurement PEMMXU1 P, E P, E

RTD/mA measurement XRGGIO130 X130 (RTD) X130 (RTD)

Frequency measurement FMMXU1 f f



10

Section 2 REM615 overview

2.1 Overview

REM615 is a dedicated motor protection and control IED (intelligent electronicdevice) designed for the protection, control, measurement and supervision ofasynchronous motors in manufacturing and process industry. REM615 is a memberof ABB’s Relion® product family and part of its 615 protection and control productseries. The 615 series IEDs are characterized by their compactness and withdrawable-unit design.

Re-engineered from the ground up, the 615 series has been designed to unleash thefull potential of the IEC 61850 standard for communication and interoperabilitybetween substation automation devices. Once the standard configuration IED hasbeen given the application-specific settings, it can directly be put into service.

The 615 series IEDs support a range of communication protocols including IEC61850 with GOOSE messaging, IEC 60870-5-103, Modbus® and DNP3.

2.1.1 Product version historyProduct version Product history2.0 Product released

3.0 • New configurations A and B• Additions to configuration C• Application configurability support• Analog GOOSE support• Large display with single line diagram• Enhanced mechanical design• Increased maximum amount of events and fault records• Frequency measurement and protection• RTD/mA measurement and protection• Multi-port Ethernet option

4.0 • Additions/changes for configurations A-C• Dual fibre optic Ethernet communication option (COM0032)• Generic control point (SPCGGIO) function blocks• Additional logic blocks• Button object for SLD• Controllable disconnector and earth switch objects for SLD• Additional multi-purpose protection instances• Increased maximum amount of events and fault records

1MRS756885 E Section 2REM615 overview


2.1.2 PCM600 and IED connectivity package version• Protection and Control IED Manager PCM600 Ver. 2.4 SP1 or later• REM615 Connectivity Package Ver. 4.0 or later

• Parameter Setting• Firmware Update• Disturbance Handling• Signal Monitoring• Lifecycle Traceability• Signal Matrix• Communication Management• Configuration Wizard• Label Printing• IED User Management• Application Configuration• Graphical Display Editor• Event Viewer

Download connectivity packages from the ABB Web site http://www.abb.com/substationautomation

2.2 Operation functionality

2.2.1 Optional functions• Arc protection• Modbus TCP/IP or RTU/ASCII• IEC 60870-5-103• DNP3 TCP/IP or serial• RTD/mA measurements and multi-purpose protection (configurations A and B

only)

2.3 Physical hardware

The IED consists of two main parts: plug-in unit and case. The content depends onthe ordered functionality.

Section 2 1MRS756885 EREM615 overview




Table 2: Plug-in unit and case

Main unit Slot ID Content optionsPlug-inunit

- HMI Small (4 lines, 16 characters)Large (8 lines, 16 characters)

X100 Auxiliary power/BOmodule

48-250 V DC/100-240 V AC; or 24-60 V DC2 normally-open PO contacts1 change-over SO contact1 normally-open SO contact2 double-pole PO contacts with TCS1 dedicated internal fault output contact

X110 BIO module1) 8 binary inputs4 signal output contacts

X120 AI/BI module 3 phase current inputs (1/5A)1 residual current input (1/5A or 0.2/1A)2)

4 binary inputs

AI/BI module Only with configuration B:3 phase current inputs (1/5 A)1 residual current input (1/5 A or 0.2/1 A)2)

3 phase voltage inputs (60-210 V)

Case X130 AI/BI module Only with configuration C:3 phase voltage inputs (60-210 V)1 residual voltage input (60-210 V)4 binary inputs

Optional RTD/mA module Optional for configurations A and B:2 generic mA inputs6 RTD sensor inputs

Optional BIO module Optional for configuration B:6 binary inputs3 signal output contacts

X000 Optional communicationmodule

See the technical manual for details about differenttypes of communication modules.

1) BIO module (X110) is optional for configuration A.2) The 0.2/1A input is normally used in applications requiring sensitive earth-fault protection and

featuring core-balance current transformers.

Rated values of the current and voltage inputs are basic setting parameters of theIED. The binary input thresholds are selectable within the range 18…176 V DC byadjusting the binary input setting parameters.

The connection diagrams of different hardware modules are presented in this manual.

See the installation manual for more information about the case andthe plug-in unit.



Table 3: Number of physical connections in standard configurations

Conf. Analog channels Binary channels CT VT RTD/mA BI BO

A 4 - 6/21) 4 (12)2) 6 (10)2)

B 4 3- 8 (14)2) 10 (13)2)

6/21) 8 10

C 4 53) - 16 10

1) With optional RTD/mA module2) With optional BIO module3) One of the five channels reserved for future applications

2.4 Local HMI

REF615

Overcurrent

Dir. earth-fault

Voltage protection

Phase unbalance

Thermal overload

Breaker failure

Disturb. rec. Triggered

CB condition monitoring

Supervision

Arc detected

Autoreclose shot in progr.

A070704 V3 EN

Figure 1: Example of 615 series LHMI

The LHMI of the IED contains the following elements:



• Display• Buttons• LED indicators• Communication port

The LHMI is used for setting, monitoring and controlling.

2.4.1 DisplayThe LHMI includes a graphical display that supports two character sizes. Thecharacter size depends on the selected language. The amount of characters androws fitting the view depends on the character size.

Table 4: Characters and rows on the view

Character size Rows in view Characters on rowSmall, mono-spaced (6x12pixels)

5 rows10 rows with large screen

20

Large, variable width (13x14pixels)

4 rows8 rows with large screen

min 8

The display view is divided into four basic areas.

1 2

3 4A070705 V3 EN

Figure 2: Display layout

1 Header

2 Icon

3 Content

4 Scroll bar (displayed when needed)



2.4.2 LEDsThe LHMI includes three protection indicators above the display: Ready, Start andTrip.

There are also 11 matrix programmable LEDs on front of the LHMI. The LEDscan be configured with PCM600 and the operation mode can be selected with theLHMI, WHMI or PCM600.

2.4.3 KeypadThe LHMI keypad contains push-buttons which are used to navigate in differentviews or menus. With the push-buttons you can give open or close commands toobjects in the primary circuit, for example, a circuit breaker, a contactor or adisconnector. The push-buttons are also used to acknowledge alarms, resetindications, provide help and switch between local and remote control mode.

A071176 V1 EN

Figure 3: LHMI keypad with object control, navigation and command push-buttons and RJ-45 communication port

2.5 Web HMI

The WHMI enables the user to access the IED via a Web browser. The supportedWeb browser versions are Internet Explorer 7.0, 8.0 or 9.0.

WHMI is disabled by default.

WHMI offers several functions.

• Programmable LEDs and event lists• System supervision• Parameter settings• Measurement display



• Disturbance records• Phasor diagram• Single-line diagram

The menu tree structure on the WHMI is almost identical to the one on the LHMI.

A070754 V4 EN

Figure 4: Example view of the WHMI

The WHMI can be accessed locally and remotely.

• Locally by connecting your laptop to the IED via the front communication port.• Remotely over LAN/WAN.

2.6 Authorization

The user categories have been predefined for the LHMI and the WHMI, each withdifferent rights and default passwords.

The default passwords can be changed with Administrator user rights.

User authorization is disabled by default but WHMI always usesauthorization.



Table 5: Predefined user categories

Username User rightsVIEWER Read only access

OPERATOR • Selecting remote or local state with (only locally)• Changing setting groups• Controlling• Clearing indications

ENGINEER • Changing settings• Clearing event list• Clearing disturbance records• Changing system settings such as IP address, serial baud rate

or disturbance recorder settings• Setting the IED to test mode• Selecting language

ADMINISTRATOR • All listed above• Changing password• Factory default activation

For user authorization for PCM600, see PCM600 documentation.

2.6.1 Audit trail615 series IEDs offer a large set of event logging functions. Normal process relatedevents can be viewed by the normal user with Event Viewer in PCM600. Criticalsystem and IED security related events are logged to a separate non-volatile audittrail for the administrator.

Audit trail is a chronological record of system activities that enable thereconstruction and examination of the sequence of events and/or changes in anevent. Past user and process events can be examined and analyzed in a consistentmethod with the help of Event List and Event Viewer in PCM600. The IED stores2048 system events to non-volatile audit trail. Additionally, 1024 process eventsare stored in non-volatile event list. Both audit trail and event list work accordingto the FIFO principle.

User audit trail is defined according to the selected set of requirements from IEEE1686. The logging is based on predefined usernames or user categories. The useraudit trail events are supported in IEC 61850-8-1, PCM600, LHMI and WHMI.

Table 6: Audit trail events

Enum Explanation/noteConfiguration change Configuration files changed

Firmware change

Setting group remote User changed setting group remotely




Enum Explanation/noteSetting group local User changed setting group locally

Control remote DPC object control remote

Control local DPC object control local

Test on Test mode on

Test off Test mode off

Setting commit Settings has been changed

Time change

View audit log Administrator accessed audit trail

Login

Logout

Firmware reset Reset issued by user or tool

Audit overflow Too many audit events in the time period

PCM600 Event Viewer can be used to view the audit trail events together withnormal events. Since only the administrator has the right to read audit trail,authorization must be properly configured in PCM600. The audit trail cannot bereset but PCM600 Event Viewer can filter data. Some of the audit trail events areinteresting also as normal process events.

To expose the audit trail events also as normal process events,define the level parameter via Configuration/Authorization/Authority logging.

Table 7: Audit trail events

Audit trail event Authority logging

NoneConfigurationchange

Settinggroup

Settinggroup,control

Settingsedit

Configuration change x x x x

Firmware change x x x x

Setting group remote x x x

Setting group local x x x

Control remote x x

Control local x x

Test on x x

Test off x x

Setting commit x

Time change

View audit log

Login




Audit trail event Authority loggingLogout

Firmware reset

Audit overflow

2.7 Communication

The IED supports a range of communication protocols including IEC 61850, IEC60870-5-103, Modbus® and DNP3. Operational information and controls areavailable through these protocols. However, some communication functionality,for example, horizontal communication between the IEDs, is only enabled by theIEC 61850 communication protocol.

The IEC 61850 communication implementation supports all monitoring andcontrol functions. Additionally, parameter settings, disturbance recordings andfault records can be accessed using the IEC 61850 protocol. Disturbance recordingsare available to any Ethernet-based application in the standard COMTRADE fileformat. The IED can send and receive binary signals from other IEDs (so calledhorizontal communication) using the IEC61850-8-1 GOOSE profile, where thehighest performance class with a total transmission time of 3 ms is supported.Further, the IED supports sending and receiving of analog values using GOOSEmessaging. The IED meets the GOOSE performance requirements for trippingapplications in distribution substations, as defined by the IEC 61850 standard. TheIED can simultaneously report events to five different clients on the station bus.

The IED can support five simultaneous clients. If PCM600 reserves one clientconnection, only four client connections are left, for example, for IEC 61850 andModbus.

All communication connectors, except for the front port connector, are placed onintegrated optional communication modules. The IED can be connected to Ethernet-based communication systems via the RJ-45 connector (100Base-TX) or the fibre-optic LC connector (100Base-FX).

For the correct operation of redundant loop topology, it is essential that the externalswitches in the network support the RSTP protocol and that it is enabled in theswitches. Otherwise, connecting the loop topology can cause problems to thenetwork. The IED itself does not support link-down detection or RSTP. The ringrecovery process is based on the aging of MAC addresses and link-up/link-downevents can cause temporary breaks in communication. For better performance ofthe self-healing loop, it is recommended that the external switch furthest from the615 IED loop is assigned as the root switch (bridge priority = 0) and the bridgepriority increases towards the IED loop. The end links of the IED loop can beattached to the same external switch or to two adjacent external switches. Self-healing Ethernet ring requires a communication module with at least two Ethernetinterfaces for all IEDs.



16384

32 16 0 0

0

16384

32 16128 48

3276840960

160 144112128

1761129680

36864 45056

Bridge priority32768

64 48Port priority

RE_615 RE_615 RE_615 RE_615

RE_615 RE_615 RE_615 RE_615

GUID-283597AF-9F38-4FC7-B87A-73BFDA272D0F V1 EN

Figure 5: Self-healing Ethernet ring solution

The Ethernet ring solution supports the connection of up to thirty615 series IEDs. If more than 30 IEDs are to be connected, it isrecommended that the network is split into several rings with nomore than 30 IEDs per ring.



22

Section 3 REM615 standard configurations

3.1 Standard configuration

REM615 is available in three alternative standard configurations. The standardsignal configuration can be altered by means of the graphical signal matrix or thegraphical application functionality of the Protection and Control IED ManagerPCM600. Further, the application configuration functionality of the IED supportsthe creation of multi-layer logic functions using various logical elements includingtimers and flip-flops. By combining protection functions with logic functionblocks, the IED configuration can be adapted to user-specific applicationrequirements.

Table 8: Standard configuration

Description Std.conf.Motor protection, optional RTD/mA inputs A

Motor protection with current, voltage and frequency based protection andmeasurement functions, optional RTD/mA inputs B

Motor protection with current, voltage and frequency based protection andmeasurements functions C

Table 9: Supported functions

Functionality A B CProtection

Three-phase non-directional overcurrent protection, low stage,instance 1 ● ● ●

Three-phase non-directional overcurrent protection,instantaneous stage, instance 1 ● ● ●

Non-directional earth-fault protection, low stage, instance 1 ●1) - -

Non-directional earth-fault protection, high stage, instance 1 ●1) ●2) ●2)

Directional earth-fault protection, low stage, instance 1 - ●1)3) ●1)4)

Three-phase undervoltage protection, instance 1 - ● ●

Positive-sequence undervoltage protection, instance 1 - ● ●

Negative-sequence overvoltage protection, instance 1 - ● ●

Frequency protection, instance 1 - ● ●

Frequency protection, instance 2 - ● ●

Negative-sequence overcurrent protection for motors, instance 1 ● ● ●

Negative-sequence overcurrent protection for motors, instance 2 ● ● ●

Loss of load supervision ● ● ●


1MRS756885 E Section 3REM615 standard configurations


Functionality A B CMotor load jam protection ● ● ●

Motor start-up supervision ● ● ●

Phase reversal protection ● ● ●

Thermal overload protection for motors ● ● ●

Circuit breaker failure protection ● ● ●

Master trip, instance 1 ● ● ●

Master trip, instance 2 ● ● ●

Arc protection, instance 1 o o o



Multi-purpose protection, instance 15) o o -



Multi-purpose protection, instance 45) o6) o6) -



Control

Circuit-breaker control ●6) ●6) ●6)

Disconnector control, instance 1 ●6) ●6) ●6)

Disconnector control, instance 2 ●6) ●6) ●6)

Earthing switch control ●6) ●6) ●6)

Disconnector position indication, instance 1 ●6) ●6) ●

Disconnector position indication, instance 2 ●6) ●6) ●6)

Disconnector position indication, instance 3 ●6) ●6) ●6)

Earthing switch indication, instance 1 ●6) ●6) ●

Earthing switch indication, instance 2 ●6) ●6) ●6)

Emergency startup ● ● ●


Circuit-breaker condition monitoring ● ● ●

Trip circuit supervision, instance 1 ● ● ●

Trip circuit supervision, instance 2 ● ● ●

Current circuit supervision ● ● ●

Fuse failure supervision - ● ●

Runtime counter for machines and devices ● ● ●

Measurement

Disturbance recorder ● ● ●

Three-phase current measurement, instance 1 ● ● ●

Sequence current measurement ● ● ●

Residual current measurement, instance 1 ● ● ●


Section 3 1MRS756885 EREM615 standard configurations


Functionality A B CThree-phase voltage measurement - ● ●

Residual voltage measurement - - ●

Sequence voltage measurement - ● ●

Three-phase power and energy measurement - ● ●

RTD/mA measurement o o -

Frequency measurement - ● ●

● = included, o = optional at the time of order

1) I0 selectable by parameter, I0 measured as default2) I0 selectable by parameter, I0 calculated as default.3) U0 calculated and negative sequence voltage selectable by parameter, U0 calculated as default4) U0 selectable by parameter, U0 measured as default5) Multi-purpose protection is used for, for example, RTD/mA based protection.6) Available in IED and SMT but not connected to anything in logic.

3.1.1 Addition of control functions for primary devices and theuse of binary inputs and outputsIf extra control functions intended for controllable primary devices are added to theconfiguration, additional binary inputs and/or outputs are needed to complementthe standard configuration.

If the number of inputs and/or outputs in a standard configuration is not sufficient,it is possible either to modify the chosen IED standard configuration in order torelease some binary inputs or binary outputs which have originally been configuredfor other purposes, or to integrate an external input/output module, for exampleRIO600, to the IED.

The external I/O module’s binary inputs and outputs of can be used for the less time-critical binary signals of the application. The integration enables releasing someinitially reserved binary inputs and outputs of the IED’s standard configuration.

The suitability of the IED’s binary outputs which have been selected for primarydevice control should be carefully verified, for example make and carry andbreaking capacity. If the requirements for the primary device control circuit are notmet, using external auxiliary relays should be considered.



3.2 Connection diagrams

GUID-3B376A84-ACD8-4641-965F-1E83998849DC V1 EN

Figure 6: Connection diagram for the A configuration



GUID-1596C4FB-2B52-431E-8CF8-F0D4E8797542 V1 EN

Figure 7: Connection diagram for the B configuration



GUID-2A2AFE30-749F-4491-A5C1-1A3FB5DB73E1 V1 EN

Figure 8: Connection diagram for the B configuration (motor protection withphase-to-earth voltage measurement)



GUID-E79DC16A-BFCE-4340-88A2-1BAE7035E82F V2 EN

Figure 9: Connection diagram for the C configuration



GUID-F1C23E9E-B743-4CB1-A744-13281CD5E7DF V1 EN

Figure 10: Connection diagram for the C configuration (motor protection withphase-to-earth voltage measurement)



3.3 Presentation of standard configurations

Functional diagramsThe functional diagrams describe the IED's functionality from the protection,measuring, condition monitoring, disturbance recording, control and interlockingperspective. Diagrams show the default functionality with simple symbol logicsforming principle diagrams. The external connections to primary devices are alsoshown, stating the default connections to measuring transformers. The positivemeasuring direction of directional protection functions is towards the outgoing feeder.

The functional diagrams are divided into sections with each section constitutingone functional entity. The external connections are also divided into sections. Onlythe relevant connections for a particular functional entity are presented in eachsection.

Protection function blocks are part of the functional diagram. They are identifiedbased on their IEC 61850 name but the IEC based symbol and the ANSI functionnumber are also included. Some function blocks, such as PHHPTOC, are usedseveral times in the configuration. To separate the blocks from each other, the IEC61850 name, IEC symbol and ANSI function number are appended with a runningnumber, that is an instance number, from one upwards. If the block has no suffixafter the IEC or ANSI symbol, the function block has been used, that is,instantiated, only once. The IED’s internal functionality and the externalconnections are separated with a dashed line presenting the IED’s physical casing.

Signal Matrix and Application ConfigurationWith Signal Matrix and Application Configuration in PCM600, it is possible tomodify the standard configuration according to the actual needs. The IED isdelivered from the factory with default connections described in the functionaldiagrams for binary inputs, binary outputs, function-to-function connections andalarm LEDs. The Signal Matrix is used for GOOSE signal input engineering andfor making cross-references between the physical I/O signals and the functionblocks. The Signal Matrix tool cannot be used for adding or removing functionblocks, for example, GOOSE receive function blocks. The ApplicationConfiguration tool is used for these kind of operations. If a function block isremoved with Application Configuration, the function related data disappears fromthe menus as well as from the 61850 data model, with the exception of some basicfunction blocks, which are mandatory and thus cannot be removed from the IEDconfiguration by removing them from the Application Configuration.



3.4 Standard configuration A

3.4.1 ApplicationsThe standard configuration is mainly intended for comprehensive protection andcontrol functionality of circuit breaker controlled asynchronous motors. Withminor modifications this standard configuration can be applied also for contactorcontrolled motors.

The IED with a standard configuration is delivered from the factory with defaultsettings and parameters. The end-user flexibility for incoming, outgoing andinternal signal designation within the IED enables this configuration to be furtheradapted to different primary circuit layouts and the related functionality needs bymodifying the internal functionality using PCM600.

3.4.2 FunctionsTable 10: Functions included in the standard configuration A


Three-phase non-directional overcurrentprotection, low stage, instance 1 PHLPTOC1 3I> (1) 51P-1 (1)

Three-phase non-directional overcurrentprotection, instantaneous stage, instance 1 PHIPTOC1 3I>>> (1) 50P/51P (1)

Non-directional earth-fault protection, lowstage, instance 1 EFLPTOC1 Io> (1) 51N-1 (1)

Non-directional earth-fault protection, highstage, instance 1 EFHPTOC1 Io>> (1) 51N-2 (1)

Negative-sequence overcurrent protection formotors, instance 1 MNSPTOC1 I2>M (1) 46M (1)








Master trip, instance 1 TRPPTRC1 Master Trip (1) 94/86 (1)


Arc protection, instance 1 ARCSARC1 ARC (1) 50L/50NL (1)



Multi-purpose protection, instance 1 MAPGAPC1 MAP (1) MAP (1)




Function IEC 61850 IEC 60617 IEC-ANSIMulti-purpose protection, instance 2 MAPGAPC2 MAP (2) MAP (2)





Control


Disconnector control, instance 1 DCXSWI1 I <-> O DCC(1)

I <-> O DCC(1)


I <-> O DCC(2)


Disconnector position indication, instance 1 DCSXSWI1 I <-> O DC (1) I <-> O DC (1)



Earthing switch indication, instance 1 ESSXSWI1 I <-> O ES (1) I <-> O ES (1)





Trip circuit supervision, instance 1 TCSSCBR1 TCS (1) TCM (1)




Measurement


Three-phase current measurement, instance 1 CMMXU1 3I 3I


Residual current measurement, instance 1 RESCMMXU1 Io In


3.4.2.1 Default I/O connections

Table 11: Default connections for binary inputs

Binary input Description Connector pinsX120-BI1 Emergency start X120-1,2

X120-BI2 Circuit breaker closed X120-3,2

X120-BI3 Circuit breaker open X120-4,2

X120-BI4 External restart inhibit X120-5,6



Table 12: Default connections for binary outputs

Binary output Description Connector pinsX100-PO1 Restart enable X100-6,7

X100-PO2 Breaker failure backup trip to upstream breaker X100-8,9

X100-SO1 Open command (for contactor applications) X100-10,11,(12)

X100-SO2 Start indication X100-13,14

X100-PO3 Open circuit breaker/trip X100-15-19

X100-PO4 Close circuit breaker X100-20-24

Table 13: Default connections for RDT/mA inputs

RTD/mA input Default usage Connector pinsX130-AI1 X130-1,2

X130-AI2 X130-3,4

X130-AI3 Motor winding U temperature X130-5,6,11c

X130-AI4 Motor winding V temperature X130-7,8,11c

X130-AI5 Motor winding W temperature X130-9,10,11c

X130-AI6 Motor cooling air temperature X130-13,14,12c

X130-AI7 Motor bearing temperature X130-15,16,12c

X130-AI8 Motor ambient temperature X130-17,18,12c

Table 14: Default connections for LEDs

LED Description1 Short circuit protection operate

2 Earth fault protection operate

3 Thermal overload protection operate

4 Combined operate indication of the other protection functions

5 Motor restart inhibit

6 Breaker failure protection operate

7 Disturbance recorder triggered

8 Circuit breaker condition monitoring alarm

9 TCS, motor runtime counter or measuring circuit fault alarm

10 Arc protection operate

11 Emergency start enabled



3.4.2.2 Default disturbance recorder settings

Table 15: Default analog channel selection and text settings

Channel Selection and text1 IL1

2 IL2

3 IL3

4 Io

5 -

6 -

7 -

8 -

9 -

10 -

11 -

12 -

Additionally, all the digital inputs that are connected by default are also enabledwith the setting. Default triggering settings are selected depending on theconnected input signal type. Typically all protection START signals are selected totrigger the disturbance recorded by default.

3.4.3 Functional diagrams

The functional diagrams describe the default input, output, alarm LED and function-to-function connections. The default connections can be viewed and changed withPCM600 according to the application requirements, if necessary.

The analog channels have fixed connections towards the different function blocksinside the IED’s standard configuration. Exceptions from this rule are the 12analog channels available for the disturbance recorder function. These channels arefreely selectable and a part of the disturbance recorder’s parameter settings.

The analog channels are assigned to different functions. The common signalmarked with 3I represents the three phase currents. The signal marked with Iorepresents the measured residual current via a core balance current transformer.

3.4.3.1 Functional diagrams for protection

The functional diagrams describe the IED’s protection functionality in detail andpicture the factory set default connections.



GUID-4B8285F0-2C1E-4941-AD13-9C33AE5211CA V2 EN

Figure 11: Overcurrent protection

Two overcurrent stages are offered for overcurrent and short-circuit protection. Themotor jam protection function (JAMPTOC1) is blocked by the motor startupprotection function. PHLPTOC1 can be used for overcurrent protection andPHIPTOC1 for the short-circuit protection. The operation of PHIPTOC1 is notblocked as default by any functionality and it should be set over the motor startcurrent level to avoid unnecessary operation.

GUID-E5E0B672-15AA-400F-8B14-45178C90EE6B V1 EN

Figure 12: Non-directional earth-fault protection

Two non-directional earth-fault stages (EFLPTOC1 and EFHPTOC1) are offeredto detect phase-to-earth faults that may be a result of, for example, insulation ageing.



GUID-C401D12B-45F4-4B40-A296-6C448F780878 V1 EN

Figure 13: Emergency start and restart inhibit

The emergency start function (ESMGAPC1) allows motor startups although thecalculated thermal level or cumulative startup time counter are blocking the restart.The emergency start is enabled for ten minutes after the selected binary input(X120:BI1) is energized. On the rising edge of the emergency start signal:

• Calculated thermal level in MPTTR1 is set slightly below the restart inhibitlevel to allow at least one motor startup

• Value of the cumulative startup time counter STTPMSU1 is set slightly belowthe set restart inhibit value to allow at least one motor startup

• Set start value of the MAPGAPC1 function is increased (or decreased)depending on the Start value Add setting (only if the optional RTD/mAmodule is included)

• Alarm LED 11 is activated

A new emergency start cannot be made until the emergency start signal has beenreset and the emergency start time of ten minutes has expired.

The thermal overload protection function (MPTTR1) detects short- and long termoverloads under varying load conditions. When the emergency start request isissued for the emergency start function, it activates the corresponding input of thethermal overload function. When the thermal overload function has issued a restartblocking, which inhibits the closing of the breaker when the machine is overloaded,the emergency start request removes this blocking and enables the restarting of themotor.

The restart inhibit is activated for a set period when a circuit breaker is opened.This is called remanence voltage protection where the motor has dampingremanence voltage after circuit breaker opening. Reclosing after a too short period



of time can lead to stress for the machine and other apparatuses. The remanencevoltage protection waiting time can be set to a timer function TPSGAPC1.

The restart inhibit is also activated when there is:

• An active trip command or• Motor startup supervision has issued lockout or• Motor unbalance function has issued restart blocking or• An external restart inhibit is activated by a binary input (X120:BI4).

GUID-CFEDD200-BAA6-4073-9D4A-F36C922F485C V1 EN

Figure 14: Motor startup supervision

With the motor startup supervision function (STTPMSU1) the starting of the motoris supervised by monitoring three-phase currents or the status of the energizingcircuit breaker of the motor.

When the emergency start request is activated by ESMGAPC1 and STTPMSU1 isin lockout state, which inhibits motor starting, the lockout is deactivated andemergency starting is available.

The motor running time counter (MDSOPT1) provides history data since lastcommissioning. The counter counts the total number of motor running hours and isincremented when the energizing circuit breaker is closed. The alarm of theruntime counter is connected to alarm LED 9.



GUID-43C1A121-BD26-41B2-B828-15F1F0EB00CB V2 EN

Figure 15: Phase unbalance protection

Two negative-sequence overcurrent stages (MNSPTOC1 and MNSPTOC2) areoffered for phase unbalance protection. These functions are used to protect themotor against phase unbalance caused by, for example, a broken conductor. Phaseunbalance in network feeding of the motor causes overheating of the motor.

The phase reversal protection (PREVPTOC1) is based on the calculated negativephase-sequence current. It detects too high NPS current values during motor startup, caused by incorrectly connected phases, which in turn causes the motor torotate in the opposite direction.

The negative-sequence protection and phase reversal protection are blocked if thecurrent circuit supervision detects failure in the current measuring circuit.

The loss of load situation is detected by LOFLPTUC. The loss of load situation canhappen, for example, if there is damaged pump or a broken conveyor.



GUID-6DA43C1C-6A9F-4805-B0B5-D4E5B84E1B03 V1 EN

Figure 16: Circuit breaker failure protection

The circuit-breaker failure protection (CCBRBRF1) is initiated via the start inputby a number of different protection stages in the IED. CCBRBRF1 offers differentoperating modes associated with the circuit-breaker position and the measuredphase and residual currents.

CCBRBRF1 has two operating outputs: TRRET and TRBU. The TRRET operateoutput is used for retripping its own circuit breaker through the Master Trip 1again. The TRBU output is used to give a backup trip to the circuit breaker feedingupstream. For this purpose, the TRBU operate output signal is connected to theoutput PO2 (X100: 8-9). LED 6 is used for backup (TRBU) operate indication.

GUID-315C7C69-3A1C-4DE2-93FA-23B944DE38EC V1 EN

Figure 17: Multipurpose RTD/mA monitoring



RTD/mA monitoring functionality provides several temperature measurements formotor protection. Temperature of the motor windings U, V and W are measuredwith inputs RTD1 (X130-5,6,11c), RTD2 (X130-7,8,11c) and RTD3(X130-9,10,11c). Measured values are connected from function X130 (RTD) tofunction MAX3. Maximum temperature value is then connected to themultipurpose analog protection block MAPGAPC1.

Motor cooling air temperature and motor bearing temperature can be measuredwith inputs RTD4 (X130-13,14,12c) and RTD5 (X130-15,16,12c). The protectionfunctionality from these temperatures are provided by MAPGAPC2 andMAPGAPC3 functions.

Motor ambient temperature can be measured with input RTD6 (X130-17,18,12c)and it is connected to the thermal overload protection function (MPTTR1).

The operation signals are connected to alarm LED 4.

GUID-1E213675-B75F-487A-A261-944E7BA4CAAD V1 EN

Figure 18: Arc protection

Arc protection (ARCSARC1...3) is included as an optional function.

The arc protection offers individual function blocks for three arc sensors that canbe connected to the IED. Each arc protection function block has two differentoperation modes, with or without the phase and residual current check. Operatesignals from the arc protection function blocks are connected to the Master Tripand also to the alarm LED 10 as a common operate indication.



3.4.3.2 Functional diagrams for disturbance recorder and supervisionfunctions

LED7 (DR TRIGGERING)PHLPTOC1_STARTPHIPTOC1_START

PREVPTOC1_START

ESMGAPC1_ST_EMERG_ENA

EFHPTOC1_START

CCBRBRF1_TRRETCCBRBRF1_TRBU

MPTTR1_ALARM

OREFLPTOC1_OPERATEEFHPTOC1_OPERATE

ORARCSARC1_ARC_FLT_DETARCSARC2_ARC_FLT_DETARCSARC3_ARC_FLT_DET ARCSARC1_OPERATE

ARCSARC2_OPERATEARCSARC3_OPERATE

X120 BI 4 (External restart inhibit)

X120 BI 2 (CB Closed)X120 BI 3 (CB Open)

CCRDIF1_FAIL

RDRE1

BI#1

BI#2

BI#3

BI#4

BI#5

BI#6

BI#7

BI#8

BI#9

BI#10

BI#11

BI#12

BI#13

BI#14

BI#15

BI#16

BI#17

BI#18

BI#19

BI#20

BI#21

BI#22

BI#23

BI#24

BI#25

BI#26

BI#27

BI#28

BI#29

BI#30

BI#31

BI#32

BI#33

BI#34

BI#35

BI#36

BI#37

BI#38

BI#39

BI#40

TRIGGERED

EFLPTOC1_START

MPTTR1_BLK_RESTART

STTPMSU1_MOT_STARTUPSTTPMSU1_LOCK_STARTMNSPTOC1_STARTMNSPTOC1_BLK_RESTARTMNSPTOC2_STARTMNSPTOC2_BLK_RESTART

MAPGAPC1_STARTMAPGAPC2_STARTMAPGAPC3_START

PHLPTOC1_OPERATEPHIPTOC1_OPERATEJAMPTOC1_OPERATE

PREVPTOC1_OPERATELOFLPTUC1_OPERATEMPTTR1_OPERATEMAPGAPC1_OPERATEMAPGAPC2_OPERATEMAPGAPC3_OPERATE

STTPMSU1_OPR_IIT

X120 BI 1 (Emergency start enable)

ORMNSPTOC1_OPERATEMNSPTOC2_OPERATE

DISTURBANCE RECORDER

GUID-EBA6CFFB-7345-46D9-99BB-4C5B6A223574 V2 EN

Figure 19: Disturbance recorder

All start and operate signals from the protection stages are routed to trigger thedisturbance recorder or alternatively only to be recorded by the disturbancerecorder depending on the parameter settings. Additionally, the ARC protectionsignals and 4 binary inputs are also connected.



GUID-B251A316-F624-40EE-9D97-8800DF260C1E V1 EN

Figure 20: Supervision functions

Two separate trip circuit supervision functions are included, TCSSCBR1 for PO3(X100:15-19) for Master Trip and TCSSCBR2 for PO4 (X100:20-24) for circuitbreaker closing. The trip circuit supervision 1 is blocked by the Master Trip(TRPPTRC1) and the circuit-breaker open position signal. The trip circuitsupervision 2 is used for circuit breaker closing and therefore blocked when thecircuit breaker is closed. The trip circuit supervision alarm indication is connectedto LED 9.

By default it is expected that there is no external resistor in thecircuit breaker tripping/closing coil circuit connected parallel withcircuit breaker normally open/closed auxiliary contact.

The motor runtime counter alarm is connected also to the alarm LED 9.

Failures in current measuring circuits are detected by CCRDIF. When a failure isdetected, blocking signal is activated in current protection functions that aremeasuring calculated sequence component currents, and unnecessary operation canbe avoided. The alarm signal is connected to the alarm LED 9.



3.4.3.3 Functional diagrams for control and interlocking

GUID-5E7123DA-D09D-46BF-A768-3F5BDE5255AD V1 EN

Figure 21: Master Trip

The operate signals from the protections are connected to the trip output contactPO3 (X100:15-19) via the corresponding Master Trip (TRPPTRC1). Open controlcommands to the circuit breaker from the local or remote CBXCBR1-exe_op areconnected directly to the output PO3 (X100:15-19).

TRPPTRC1 provides the lockout/latching function, event generation and the tripsignal duration setting. If the lockout operation mode is selected, one binary inputcan be reassigned to the RST_LKOUT input of the Master Trip to enable externalreset with a push button.



GUID-4688187D-B8F6-4E3C-AF8E-1CE48286E951 V1 EN

Figure 22: Circuit breaker control

The circuit breaker closing is enabled when the ENA_CLOSE input is activated.The input can be activated by the master trip logics. The open operation is alwaysenabled.

When the motor restart is inhibited, the BLK_CLOSE input is activated andclosing of the breaker is not possible. When all conditions of the circuit breakerclosing are fulfilled, the CLOSE_ENAD output of the CBXCBR1 is activated andPO1 output (X100:6-7) is closed.

If the ENA_CLOSE and BLK_CLOSE signals are completelyremoved from the breaker control function block CBXCBR with



PCM600, the function assumes that the breaker close commandsare allowed continuously.

The circuit breaker condition monitoring function (SSCBR) supervises the circuitbreaker status based on the binary input information connected and measuredcurrent levels. The function introduces various supervision methods. Thecorresponding supervision alarm signals are routed to LED 8.

GUID-F9014930-199A-4AC2-92C1-EC7DAFDE19DE V1 EN

Figure 23: Common alarm/indication

The signal outputs from the IED are connected to give dedicated information on:

• Start of any protection function SO2 (X100:13-14)

TPGAPC are timers and used for setting the minimum pulse length for the outputs.There are four generic timers (TPGAPC1..4) available in the IED. The remainingones not described in the functional diagram are available in PCM600 forconnection where applicable.

3.5 Standard configuration B

3.5.1 Applications

The standard configuration is mainly intended for comprehensive protection andcontrol functionality of circuit breaker controlled asynchronous motors. Withminor modifications this standard configuration can be applied also for contactorcontrolled motors. There is also an option for RTD/mA measurement and protection.




3.5.2 FunctionsTable 16: Functions included in the standard configuration B





Directional earth-fault protection, low stage,instance 1 DEFLPDEF1 Io> -> (1) 67N-1 (1)

Three-phase undervoltage protection, instance 1 PHPTUV1 3U< (1) 27 (1)

Positive-sequence undervoltage protection,instance 1 PSPTUV1 U1< (1) 47U+ (1)

Negative-sequence overvoltage protection,instance 1 NSPTOV1 U2> (1) 47O- (1)

Frequency protection, instance 1 FRPFRQ1 f>/f<,df/dt (1) 81 (1)





















Control





Function IEC 61850 IEC 60617 IEC-ANSI


I <-> O DCC(1)


I <-> O DCC(2)















Measurement












Binary input Description Connector pinsX110-BI1 External restart inhibit X110-1,2

X110-BI2 External trip X110-3,4



X110-BI5 Voltage transformer secondary MCB open X110-8,9




Binary input Description Connector pinsX110-BI6 Emergency start X110-10,9

X110-BI7 Lockout reset X110-11,12

X110-BI8 Setting group change X110-13,12








X110-SO1 Motor startup indication X110-14,15,16

X110-SO2 Thermal overload alarm X110-17,18,19

X110-SO3 Voltage protection alarm X110-20,21,22


Table 19: Default connections for RDT/mA inputs

RTD/mA input Default usage Connector pinsX130-AI1 X130-1,2

X130-AI2 X130-3,4

X130-AI3 Motor winding U temperature X130-5,6,11c

X130-AI4 Motor winding V temperature X130-7,8,11c

X130-AI5 Motor winding W temperature X130-9,10,11c

X130-AI6 Motor cooling air temperature X130-13,14,12c

X130-AI7 Motor bearing temperature X130-15,16,12c

X130-AI8 Motor ambient temperature X130-17,18,12c






5 Motor restart inhibit







LED Description9 TCS, motor runtime counter or measuring circuit fault alarm






2 IL2

3 IL3

4 Io

5 U1

6 U2

7 U3

8 -

9 -

10 -

11 -

12 -


3.5.3 Functional diagrams

The functional diagrams describe the default input, output, alarm LED and function-to-function connections. The default connections can be viewed and changed withPCM600 according to the application requirements, if necessary.


The analog channels are assigned to different functions. The common signalmarked with 3I represents the three phase currents and 3U the three phase voltages.The signal marked with Io represents the measured residual current via a corebalance current transformer.



The EFHPTOC protection function block for non-directional earth-faults uses thecalculated residual current originating from the measured phase currents.



GUID-6A9ABC23-2E8A-40BF-B02C-057EF3BE2B6C V2 EN





Depending on the selected operation mode, the active setting group can be changedeither with a parameter or via binary input.

GUID-EFD5E550-2DE3-4970-B96F-D288D0702495 V2 EN


One stage non-directional earth-fault protection (EFHPTOC1) is offered to detectphase-to-earth faults that may be a result of, for example, insulation ageing. Inaddition, there is a directional protection stage (DEFLPDEF1) which can be alsoused as a low stage non-directional earth-fault protection without residual voltagerequirement. However, the residual voltage can help to detect earth faults at a lowfault current level selectively and to discriminate the apparent residual currentcaused, for example, by partial current transformer saturation at motor startup.

The earth- fault protection is blocked when the short circuit protection(PHIPTOC1) is started. The operation of the earth-fault protection functions isconnected to alarm LED 2.

GUID-3B5861E6-3BFE-43FF-AEE4-C6016BE4CDEE V1 EN

Figure 26: Voltage protection



For voltage protection three-phase undervoltage (PHPTUV1), positive-sequenceundervoltage (PSPTUV1) and negative-sequence overvoltage (NSPTOV1)protection functions are offered. The three-phase undervoltage protection isblocked during motor startup to prevent unwanted operation in case there is a shortvoltage drop. Also if the fuse failure is detected, the undervoltage function is blocked.

The positive-sequence undervoltage and negative-sequence overvoltage protectionsare included to protect the machine against single-phasing, excessive unbalancebetween phases and abnormal phase order. The positive-sequence undervoltage andnegative-sequence overvoltage functions are blocked by default if the fuse failureis detected.

GUID-985FAB7A-91CD-4066-B405-D9C32FCA1447 V1 EN


The emergency start function (ESMGAPC1) allows motor startups although thecalculated thermal level or cumulative startup time counter are blocking the restart.The emergency start is enabled for ten minutes after the selected binary input(X110:BI6) is energized. On the rising edge of the emergency start signal:



• Set start value of the MAPGAPC1 function is increased (or decreased)depending on the Start value Add setting (only if the optional RTD/mAmodule is included)






The restart inhibit is activated for a set period when a circuit breaker is opened.This is called remanence voltage protection where the motor has dampingremanence voltage after circuit breaker opening. Reclosing after a too short periodof time can lead to stress for the machine and other apparatuses. The remanencevoltage protection waiting time can be set to a timer function TPSGAPC1.



GUID-98C04C17-4412-42F9-A2C4-01A5A265D89B V1 EN






The upstream blocking from the motor startup is connected to the output SO1(X110:14-15-16). The output is used for sending a blocking signal to the relevantovercurrent protection stage of the IED at the infeeding bay.


GUID-806BFFC2-B2FB-4486-B52D-541A16C6123D V2 EN








GUID-580ACE49-AA7C-4EF0-8146-A7307D9A31F4 V1 EN

Figure 30: Frequency failure protection

The selectable underfrequency or overfrequency protection (FRPFRQ) preventsdamage to network components under unwanted frequency conditions.

The function contains a selectable rate of change of the frequency (gradient)protection to detect an increase or decrease in the fast power system frequency atan early stage. This can be used as an early indication of a disturbance in thesystem. The operation signal is connected to alarm LED 4.

GUID-743B0964-A8B2-4087-A735-0384381E7408 V1 EN






GUID-15CA334D-6AE4-47EC-A5DF-E6D5D5E50F7D V1 EN

Figure 32: Multipurpose RTD/mA monitoring

RTD/mA monitoring functionality provides several temperature measurements formotor protection. Temperature of the motor windings U, V and W are measuredwith inputs RTD1 (X130-5,6,11c), RTD2 (X130-7,8,11c) and RTD3(X130-9,10,11c). Measured values are connected from function X130 (RTD) tofunction MAX3. Maximum temperature value is then connected to themultipurpose analog protection block MAPGAPC1.

Motor cooling air temperature and motor bearing temperature can be measuredwith inputs RTD4 (X130-13,14,12c) and RTD5 (X130-15,16,12c). The protectionfunctionality from these temperatures are provided by MAPGAPC2 andMAPGAPC3 functions.

Motor ambient temperature can be measured with input RTD6 (X130-17,18,12c)and it is connected to the thermal overload protection function (MPTTR1).

The operation signals are connected to alarm LED 4.



GUID-689B57C2-2301-4F0C-9587-6B68BA715A63 V1 EN








PREVPTOC1_START


DEFLPDEF1_START


MPTTR1_ALARM

ORDEFLPDEF1_OPERATEEFHPTOC1_OPERATE

ARCSARC1_ARC_FLT_DETARCSARC2_ARC_FLT_DETARCSARC3_ARC_FLT_DET ARCSARC1_OPERATE




CCRDIF1_FAIL

MPTTR1_BLK_RESTART


MAPGAPC1_STARTMAPGAPC2_STARTMAPGAPC3_START


PREVPTOC1_OPERATELOFLPTUC1_OPERATEMPTTR1_OPERATE

MAPGAPC1_OPERATEMAPGAPC2_OPERATEMAPGAPC3_OPERATE

STTPMSU1_OPR_IIT



RDRE1

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TRIGGERED

SEQRFUF1_3PHSEQRFUF1_U

X110 BI 8 (Setting group change)X110 BI 5 (VT secondary MCB open)X110 BI 7 (Lock-out reset)

X110 BI 2 (External trip)

FRPFRQ2_OPERATEFRPFRQ1_OPERATENSPTOV1_OPERATEPSPTUV1_OPERATEPHPTUV1_OPERATE

FRPFRQ2_STARTFRPFRQ1_START

PSPTUV1_STARTPHPTUV1_START

NSPTOV1_START

EFHPTOC1_START

OR


GUID-ABE44A03-A74A-4993-970D-34B953E27EED V2 EN





GUID-377183BE-E8BA-45DC-A804-92D49C36F4CA V1 EN









GUID-054B4BA5-8347-49AB-A007-7654D44093C3 V1 EN






GUID-C93A3CD7-6E69-45F7-B9C0-8C1A1757E860 V1 EN


The circuit breaker closing is enabled when the ENA_CLOSE input is activated.The input can be activated by the master trip logics. The open operation is alwaysenabled.


If the ENA_CLOSE and BLK_CLOSE signals are completelyremoved from the breaker control function block CBXCBR withPCM600, the function assumes that the breaker close commandsare allowed continuously.




GUID-F4671A27-CEDA-458A-99F8-8D9B1F82DE53 V1 EN

Figure 38: Common alarm/indication 1-5


• Start of any protection function SO1 (X100:10-12)• Operation (trip) of any protection function SO4 (X110:23-24)• Motor startup indication to upstream level SO1 (X110:14-16)• Motor thermal overload alarm indication SO2 (X110:17-19)• Operation (trip) of any voltage protection function SO3 (X110:20-22)




3.6 Standard configuration C

3.6.1 Applications

The standard configuration for motor protection with current and voltage basedprotection and measurements functions is mainly intended for comprehensiveprotection and control functionality of circuit breaker controlled asynchronousmotors. With minor modifications this standard configuration can be applied alsofor contactor controlled motors.


3.6.2 FunctionsTable 22: Functions included in the standard configuration C





Directional earth-fault protection, low stage,instance 1 DEFLPDEF1 Io> -> (1) 67N-1 (1)

Three-phase undervoltage protection, instance 1 PHPTUV1 3U< (1) 27 (1)

Positive-sequence undervoltage protection,instance 1 PSPTUV1 U1< (1) 47U+ (1)

Negative-sequence overvoltage protection,instance 1 NSPTOV1 U2> (1) 47O- (1)












Function IEC 61850 IEC 60617 IEC-ANSIThermal overload protection for motors MPTTR1 3Ith>M 49M







Control



I <-> O DCC(1)


I <-> O DCC(2)















Measurement






Residual voltage measurement RESVMMXU1 Uo Vn








Binary input Description Connector pinsX110-BI1 MCB open X110-1,2

X110-BI2 Setting group change X110-3,4

X110-BI3 Rotation direction X110-5,6

X110-BI4 Speed switch (motor running) X110-7,6

X110-BI5 Disconnector close/circuit breaker truck in X110-8,9

X110-BI6 Disconnector open/circuit breaker truck out X110-10,9

X110-BI7 Earth switch close X110-11,12

X110-BI8 Earth switch open X110-13,12

X120-BI1 Emergency start enable X120-1,2



X120-BI4 Lock-out reset X120-5,6

X130-BI1 External restart inhibit X130-1,2

X130-BI2 External trip X130-3,4

X130-BI3 Gas pressure alarm X130-5,6

X130-BI4 Circuit breaker spring charged X130-7,6





X100-SO2 Operate indication X100-13,14



X110-SO1 Motor startup indication X110-14,15,16

X110-SO2 Thermal overload alarm X110-17,18,19

X110-SO3 Protection start indication X110-20,21,22

X110-SO3 Voltage protection alarm X110-23,24









LED Description5 Motor restart inhibit




9 TCS, fuse failure, measuring circuit fault or runtime counter alarm






2 IL2

3 IL3

4 Io

5 Uo

6 U1

7 U2

8 U3

9 -

10 -

11 -

12 -


3.6.3 Functional diagramsThe functional diagrams describe the default input, output, alarm LED and function-to-function connections. The default connections can be viewed and changed withPCM600 according to the application requirements, if necessary.




The analog channels are assigned to different functions. The common signalmarked with 3I represents the three phase currents and 3U the three phase voltages.The signal marked with Io represents the measured residual current via a corebalance current transformer. The signal marked with Uo represents the measuredresidual voltage via open-delta connected voltage transformers.

The EFHPTOC protection function block for non-directional earth-faults uses thecalculated residual current originating from the measured phase currents.



GUID-34EB806B-FEEF-429D-B115-A52BBFB98B61 V3 EN





Depending on the selected operation mode, the active setting group can be changedeither with a parameter or via binary input.

GUID-D21A2FA0-A7EB-44BC-A25D-66B3A37F2DB1 V2 EN


One stage non-directional earth-fault protection (EFHPTOC1) is offered to detectphase-to-earth faults that may be a result of, for example, insulation ageing. Inaddition, there is a directional protection stage (DEFLPDEF1) which can be alsoused as a low stage non-directional earth-fault protection without residual voltagerequirement. However, the residual voltage can help to detect earth faults at a lowfault current level selectively and to discriminate the apparent residual currentcaused, for example, by partial current transformer saturation at motor startup.

The earth- fault protection is blocked when the short circuit protection(PHIPTOC1) is started. The operation of the earth-fault protection functions isconnected to alarm LED 2.



GUID-62B6D44D-40BE-44C3-AC53-3C56199A52DC V2 EN

Figure 41: Voltage protection

For voltage protection three-phase undervoltage (PHPTUV1), positive-sequenceundervoltage (PSPTUV1) and negative-sequence overvoltage (NSPTOV1)protection functions are offered. The three-phase undervoltage protection isblocked during motor startup to prevent unwanted operation in case there is a shortvoltage drop. Also if the fuse failure is detected, the undervoltage function is blocked.

The positive-sequence undervoltage and negative-sequence overvoltage protectionsare included to protect the machine against single-phasing, excessive unbalancebetween phases and abnormal phase order. The positive-sequence undervoltage andnegative-sequence overvoltage functions are blocked by default when the networkrotation direction changes (X110_BI3 is active) or if the fuse failure is detected.



GUID-7DC9E12B-6E3F-4778-BD6A-1C6A04058FE7 V3 EN


The emergency start function (ESMGAPC1) allows motor startups although thecalculated thermal level or cumulative startup timer counter are blocking restart.The emergency start is enabled for ten minutes after the selected binary input(X120:BI1) is energized. On the rising edge of the emergency start signal:






The restart inhibit is activated for a set period when a circuit breaker is opened.This is called remanence voltage protection where the motor has dampingremanence voltage after circuit breaker opening. Reclosing after a too short period



of time can lead to stress for the machine and other apparatuses. The remanencevoltage protection waiting time can be set to a timer function TPSGAPC1.



GUID-BAC6545B-0B21-499C-8930-85C6C9C66E6F V2 EN




The upstream blocking from the motor startup is connected to the output SO1(X110:14-15-16). The output is used for sending a blocking signal to the relevantovercurrent protection stage of the IED at the infeeding bay.




GUID-47B67152-61E5-4948-9EAC-EDE15641C455 V2 EN








GUID-7399FB0E-9383-4BF7-A3B4-BD32C885065E V1 EN

Figure 45: Frequency protection

Two frequency protection stages (FRPFRQ1 and PFRQ2) are offered. Thesefunctions are used to protect the motor against abnormal power system frequency.

GUID-FF0388EB-F6F3-4303-8717-A4118212D0DD V2 EN






GUID-39A636D3-54CF-4425-9552-322889A5CE40 V2 EN








PREVPTOC1_START


DEFLPDEF1_START


MPTTR1_ALARM

ORDEFLPDEF1_OPERATEEFHPTOC1_OPERATE

ARCSARC1_ARC_FLT_DETARCSARC2_ARC_FLT_DETARCSARC3_ARC_FLT_DET ARCSARC1_OPERATE




CCRDIF1_FAIL

MPTTR1_BLK_RESTART



PREVPTOC1_OPERATELOFLPTUC1_OPERATEMPTTR1_OPERATE

STTPMSU1_OPR_IIT



RDRE1

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TRIGGERED

SEQRFUF1_3PHSEQRFUF1_U

X110 BI 2 (Setting group change)X110 BI 1 (MCB open)

X130 BI 2 (External trip)

FRPFRQ2_OPERATEFRPFRQ1_OPERATENSPTOV1_OPERATEPSPTUV1_OPERATEPHPTUV1_OPERATE

FRPFRQ2_STARTFRPFRQ1_START

PSPTUV1_STARTPHPTUV1_START

NSPTOV1_START

EFHPTOC1_START

OR


X130 BI 3 (Gas pressure alarm)X130 BI 4 (CB spring charged)

X110 BI 3 (Rotation direction)X110 BI 4 (Speed switch)

STTPMSU1_OPR_STALL

GUID-D7ADBE62-2DF3-476B-A008-3A589207E81E V3 EN





GUID-AC0AE2D0-1238-4D03-88AA-57D310CED5B7 V2 EN





The fuse failure supervision SEQRFUF1 detects failures in voltage measurementcircuits. Failures, such as an open miniature circuit breaker, are detected and thealarm is connected to the alarm LED 9.





GUID-6CBC044E-6D85-424A-AA6C-FF72590D1F1F V2 EN






GUID-B622B909-E854-4539-BBD9-D6F295867CDF V2 EN


There are two types of disconnector and earthing switch blocks available.DCSXSWI1...3 and ESSXSWI1...2 are status only type, and DCXSWI1...2 andESXSWI1 are controllable type. By default, the status only blocks are connected instandard configuration logic. If controllable operation is preferred, the controllabletype of disconnector and earthing switch blocks can be used instead of the statusonly type. The connection and configuration of the control blocks can be doneusing PCM600.

The binary inputs 5 and 6 of the additional card X110 are used for busbardisconnector (DCSXSWI1) or circuit-breaker truck position indication.

Table 27: Device positions indicated by binary inputs 5 and 6

Primary device position Input to be energized Input 5 (X110:8-9) Input 6 (X110:10-9)

Busbar disconnector closed x

Busbar disconnector open x

Circuit breaker truck in service position x

Circuit breaker truck in test position x



The binary inputs 7 and 8 (X110:1-13) are designed for the position indication ofthe line-side earthing switch.

The circuit breaker closing is enabled when the ENA_CLOSE input is activated.The input can be activated by the configuration logic, which is a combination ofthe disconnector or breaker truck and earth-switch position statuses and the statusesof the Master Trip logics and gas pressure alarm and circuit-breaker springcharging. The OKPOS output from the DCSXSWI block defines if thedisconnector or the breaker truck is definitely either open (in test position) or close(in service position). This, together with the open earth-switch and non-active tripsignal, activates the close-enable signal to the circuit breaker control functionblock. The open operation is always enabled.


The ITL_BYPASS input can be used, for example, to always enable the closing ofthe circuit breaker when the circuit breaker truck is in the test position, despite ofthe interlocking conditions being active when the circuit breaker truck is closed inservice position.

If the ENA_CLOSE and BLK_CLOSE signals are completelyremoved from the breaker control function block CBXCBR withPCM600, the function assumes that the breaker close commandsare allowed continuously.




GUID-9F82AC98-808F-4820-BB71-A48445FAC7B4 V2 EN

Figure 52: Common alarm/indication 1-5


• Start of any protection function SO3 (X110:20-22)• Operation (trip) of any protection function SO2 (X100:13-14)• Motor startup indication to upstream level SO1 (X110:14-16)• Motor thermal overload alarm indication SO2 (X110:17-19)• Operation (trip) of any voltage protection function SO4 (X110:23-24)




82

Section 4 Requirements for measurementtransformers

4.1 Current transformers

4.1.1 Current transformer requirements for non-directionalovercurrent protectionFor reliable and correct operation of the overcurrent protection, the CT has to bechosen carefully. The distortion of the secondary current of a saturated CT mayendanger the operation, selectivity, and co-ordination of protection. However,when the CT is correctly selected, a fast and reliable short circuit protection can beenabled.

The selection of a CT depends not only on the CT specifications but also on thenetwork fault current magnitude, desired protection objectives, and the actual CTburden. The protection settings of the IED should be defined in accordance withthe CT performance as well as other factors.

4.1.1.1 Current transformer accuracy class and accuracy limit factor

The rated accuracy limit factor (Fn) is the ratio of the rated accuracy limit primarycurrent to the rated primary current. For example, a protective current transformerof type 5P10 has the accuracy class 5P and the accuracy limit factor 10. Forprotective current transformers, the accuracy class is designed by the highestpermissible percentage composite error at the rated accuracy limit primary currentprescribed for the accuracy class concerned, followed by the letter "P" (meaningprotection).

Table 28: Limits of errors according to IEC 60044-1 for protective current transformers

Accuracy class Current error atrated primarycurrent (%)

Phase displacement at rated primarycurrent

Composite error atrated accuracy limitprimary current (%)minutes centiradians

5P ±1 ±60 ±1.8 5

10P ±3 - - 10

The accuracy classes 5P and 10P are both suitable for non-directional overcurrentprotection. The 5P class provides a better accuracy. This should be noted also ifthere are accuracy requirements for the metering functions (current metering,power metering, and so on) of the IED.

1MRS756885 E Section 4Requirements for measurement transformers


The CT accuracy primary limit current describes the highest fault currentmagnitude at which the CT fulfils the specified accuracy. Beyond this level, thesecondary current of the CT is distorted and it might have severe effects on theperformance of the protection IED.

In practise, the actual accuracy limit factor (Fa) differs from the rated accuracylimit factor (Fn) and is proportional to the ratio of the rated CT burden and theactual CT burden.

The actual accuracy limit factor is calculated using the formula:

F FS S

S Sa n

in n

in

≈ ×

+

+

A071141 V1 EN

Fn the accuracy limit factor with the nominal external burden Sn

Sin the internal secondary burden of the CT

S the actual external burden

4.1.1.2 Non-directional overcurrent protection

The current transformer selectionNon-directional overcurrent protection does not set high requirements on theaccuracy class or on the actual accuracy limit factor (Fa) of the CTs. It is, however,recommended to select a CT with Fa of at least 20.

The nominal primary current I1n should be chosen in such a way that the thermaland dynamic strength of the current measuring input of the IED is not exceeded.This is always fulfilled when

I1n > Ikmax / 100,

Ikmax is the highest fault current.

The saturation of the CT protects the measuring circuit and the current input of theIED. For that reason, in practice, even a few times smaller nominal primary currentcan be used than given by the formula.

Recommended start current settingsIf Ikmin is the lowest primary current at which the highest set overcurrent stage is tooperate, the start current should be set using the formula:

Current start value < 0.7 x (Ikmin / I1n)

I1n is the nominal primary current of the CT.

Section 4 1MRS756885 ERequirements for measurement transformers


The factor 0.7 takes into account the protection IED inaccuracy, currenttransformer errors, and imperfections of the short circuit calculations.

The adequate performance of the CT should be checked when the setting of thehigh set stage overcurrent protection is defined. The operate time delay caused bythe CT saturation is typically small enough when the overcurrent setting isnoticeably lower than Fa.

When defining the setting values for the low set stages, the saturation of the CTdoes not need to be taken into account and the start current setting is simplyaccording to the formula.

Delay in operation caused by saturation of current transformersThe saturation of CT may cause a delayed IED operation. To ensure the timeselectivity, the delay must be taken into account when setting the operate times ofsuccessive IEDs.

With definite time mode of operation, the saturation of CT may cause a delay thatis as long as the time the constant of the DC component of the fault current, whenthe current is only slightly higher than the starting current. This depends on theaccuracy limit factor of the CT, on the remanence flux of the core of the CT, andon the operate time setting.

With inverse time mode of operation, the delay should always be considered asbeing as long as the time constant of the DC component.

With inverse time mode of operation and when the high-set stages are not used, theAC component of the fault current should not saturate the CT less than 20 times thestarting current. Otherwise, the inverse operation time can be further prolonged.Therefore, the accuracy limit factor Fa should be chosen using the formula:

Fa > 20*Current start value / I1n

The Current start value is the primary pickup current setting of the IED.

4.1.1.3 Example for non-directional overcurrent protection

The following figure describes a typical medium voltage feeder. The protection isimplemented as three-stage definite time non-directional overcurrent protection.

1MRS756885 E Section 4Requirements for measurement transformers


A071142 V1 EN

Figure 53: Example of three-stage overcurrent protection

The maximum three-phase fault current is 41.7 kA and the minimum three-phaseshort circuit current is 22.8 kA. The actual accuracy limit factor of the CT iscalculated to be 59.

The start current setting for low-set stage (3I>) is selected to be about twice thenominal current of the cable. The operate time is selected so that it is selective withthe next IED (not visible in the figure above). The settings for the high-set stageand instantaneous stage are defined also so that grading is ensured with thedownstream protection. In addition, the start current settings have to be defined sothat the IED operates with the minimum fault current and it does not operate withthe maximum load current. The settings for all three stages are as in the figure above.

For the application point of view, the suitable setting for instantaneous stage (I>>>)in this example is 3 500 A (5.83 x I2n). For the CT characteristics point of view, thecriteria given by the current transformer selection formula is fulfilled and also theIED setting is considerably below the Fa. In this application, the CT rated burdencould have been selected much lower than 10 VA for economical reasons.

Section 4 1MRS756885 ERequirements for measurement transformers


Section 5 IED physical connections

5.1 Inputs

5.1.1 Energizing inputs

5.1.1.1 Phase currents

The IED can also be used in single or two-phase applications byleaving one or two energizing inputs unoccupied. However, at leastterminals X120/7-8 must be connected.

Table 29: Phase currents

Terminal DescriptionX120-7, 8 IL1

X120-9, 10 IL2

X120-11, 12 IL3

5.1.1.2 Residual current

Table 30: Residual current input

Terminal DescriptionX120-13, 14 Io

5.1.1.3 Phase voltages

Table 31: Phase voltage inputs included in configuration B

Terminal DescriptionX120-1, 2 U1

X120-3, 4 U2

X120-5, 6 U3

1MRS756885 E Section 5IED physical connections


Table 32: Phase voltage inputs included in configuration C

Terminal DescriptionX130-11, 12 U1

X130-13, 14 U2

X130-15, 16 U3

5.1.1.4 Residual voltage

Table 33: Residual voltage input included in configuration C

Terminal DescriptionX130-17, 18 Uo

5.1.2 RTD/mA inputsRTD/mA inputs are optional for configurations A and B.

Table 34: RTD/mA inputs

Terminal DescriptionX130-1 mA1 (AI1), +

X130-2 mA1 (AI1), -

X130-3 mA2 (AI2), +

X130-4 mA2 (AI2), -

X130-5 RTD1 (AI3), +

X130-6 RTD1 (AI3), -

X130-7 RTD2 (AI4), +

X130-8 RTD2 (AI4), -

X130-9 RTD3 (AI5), +

X130-10 RTD3 (AI5), -

X130-11 Common1)

X130-12 Common2)

X130-13 RTD4 (AI6), +

X130-14 RTD4 (AI6), -

X130-15 RTD5 (AI7), +

X130-16 RTD5 (AI7), -

X130-17 RTD6 (AI8), +

X130-18 RTD6 (AI8), -

1) Common ground for RTD channels 1-3.2) Common ground for RTD channels 4-6.

Section 5 1MRS756885 EIED physical connections


5.1.3 Auxiliary supply voltage inputThe auxiliary voltage of the IED is connected to terminals X100/1-2. At DCsupply, the positive lead is connected to terminal X100-1. The permitted auxiliaryvoltage range (AC/DC or DC) is marked on the top of the LHMI of the IED.

Table 35: Auxiliary voltage supply

Terminal DescriptionX100-1 + Input

X100-2 - Input

5.1.4 Binary inputsThe binary inputs can be used, for example, to generate a blocking signal, tounlatch output contacts, to trigger the disturbance recorder or for remote control ofIED settings.

Binary inputs of slot X110 are available with configurations B and C and optionalfor A.

Table 36: Binary input terminals X110-1...13

Terminal DescriptionX110-1 BI1, +

X110-2 BI1, -

X110-3 BI2, +

X110-4 BI2, -

X110-5 BI3, +

X110-6 BI3, -

X110-6 BI4, -

X110-7 BI4, +

X110-8 BI5, +

X110-9 BI5, -

X110-9 BI6, -

X110-10 BI6, +

X110-11 BI7, +

X110-12 BI7, -

X110-12 BI8, -

X110-13 BI8, +

Binary inputs of slot X120 are available with configurations A and C.





X120-2 BI1, -

X120-3 BI2, +

X120-2 BI2, -

X120-4 BI3, +

X120-2 BI3, -

X120-5 BI4, +

X120-6 BI4, -

Binary inputs of slot X130 are optional for configuration B.



X130-2 BI1, -

X130-2 BI2, -

X130-3 BI2, +

X130-4 BI3, +

X130-5 BI3, -

X130-5 BI4, -

X130-6 BI4, +

X130-7 BI5, +

X130-8 BI5, -

X130-8 BI6, -

X130-9 BI6, +

Binary inputs of slot X130 are available with configuration C.



X130-2 BI1, -

X130-3 BI2, +

X130-4 BI2, -

X130-5 BI3, +

X130-6 BI3, -

X130-7 BI4, +

X130-8 BI4, -



5.1.5 Optional light sensor inputsIf the IED is provided with the optional communication module with light sensorinputs, the pre-manufactured lens-sensor fibres are connected to inputs X13, X14and X15, see the terminal diagrams.For further information, see arc protection.

The IED is provided with connection sockets X13, X14 and X15only if the optional communication module with light sensor inputshas been installed. If the arc protection option is selected whenordering an IED, the light sensor inputs are included in thecommunication module.

Table 40: Light sensor input connectors

Terminal DescriptionX13 Input Light sensor 1

X14 Input Light sensor 2

X15 Input Light sensor 3

5.2 Outputs

5.2.1 Outputs for tripping and controllingOutput contacts PO1, PO2, PO3 and PO4 are heavy-duty trip contacts capable ofcontrolling most circuit breakers. On delivery from the factory, the trip signalsfrom all the protection stages are routed to PO3 and PO4.

Table 41: Output contacts

Terminal DescriptionX100-6 PO1, NO

X100-7 PO1, NO

X100-8 PO2, NO

X100-9 PO2, NO

X100-15 PO3, NO (TCS resistor)

X100-16 PO3, NO

X100-17 PO3, NO

X100-18 PO3 (TCS1 input), NO


X100-20 PO4, NO (TCS resistor)

X100-21 PO4, NO

X100-22 PO4, NO





5.2.2 Outputs for signallingOutput contacts SO1 and SO2 in slot X100 or SO1, SO2, SO3 and SO4 in slotX110 or SO1, SO2 and SO3 in slot X130 (optional) can be used for signalling onstart and tripping of the IED. On delivery from the factory, the start and alarmsignals from all the protection stages are routed to signalling outputs.

Table 42: Output contacts X100-10...14

Terminal DescriptionX100-10 SO1, common

X100-11 SO1, NC

X100-12 SO1, NO

X100-13 SO2, NO

X100-14 SO2, NO

Output contacts of slot X110 are optional for configuration A.



X110-15 SO1, NO

X110-16 SO1, NC

X110-17 SO2, common

X110-18 SO2, NO

X110-19 SO2, NC

X110-20 SO3, common

X110-21 SO3, NO

X110-22 SO3, NC

X110-23 SO4, common

X110-24 SO4, NO

Output contacts of slot X130 are available in the optional BIO module (BIOB02A).



X130-11 SO1, NO

X130-12 SO1, NC

X130-13 SO2, common

X130-14 SO2, NO

X130-15 SO2, NC





X130-17 SO3, NO

X130-18 SO3, NC

5.2.3 IRFThe IRF contact functions as an output contact for the self-supervision system ofthe protection IED. Under normal operating conditions, the IED is energized andthe contact is closed (X100/3-5). When a fault is detected by the self-supervisionsystem or the auxiliary voltage is disconnected, the output contact drops off and thecontact closes (X100/3-4).

Table 45: IRF contact

Terminal DescriptionX100-3 IRF, common

X100-4 Closed; IRF, or Uaux disconnected

X100-5 Closed; no IRF, and Uaux connected



94

Section 6 Glossary

615 series Series of numerical IEDs for low-end protection andsupervision applications of utility substations, andindustrial switchgear and equipment

ANSI American National Standards InstituteASCII American Standard Code for Information InterchangeCT Current transformerDNP3 A distributed network protocol originally developed by

Westronic. The DNP3 Users Group has the ownershipof the protocol and assumes responsibility for itsevolution.

DPC Double-point controlEMC Electromagnetic compatibilityEthernet A standard for connecting a family of frame-based

computer networking technologies into a LANFIFO First in, first outGOOSE Generic Object-Oriented Substation EventHMI Human-machine interfaceI/O Input/outputIEC International Electrotechnical CommissionIEC 60870-5-103 1. Communication standard for protective equipment

2. A serial master/slave protocol for point-to-pointcommunication

IEC 61850 International standard for substation communicationand modeling

IEC 61850-8-1 A communication protocol based on the IEC 61850standard series

IED Intelligent electronic deviceIET600 Integrated Engineering Toolbox in PCM600IP address A set of four numbers between 0 and 255, separated by

periods. Each server connected to the Internet isassigned a unique IP address that specifies the locationfor the TCP/IP protocol.

LAN Local area networkLC Connector type for glass fibre cable

1MRS756885 E Section 6Glossary


LCD Liquid crystal displayLED Light-emitting diodeLHMI Local human-machine interfaceModbus A serial communication protocol developed by the

Modicon company in 1979. Originally used forcommunication in PLCs and RTU devices.

Modbus TCP/IP Modbus RTU protocol which uses TCP/IP and Ethernetto carry data between devices

NPS Negative phase sequencePCM600 Protection and Control IED ManagerRIO600 Remote I/O unitRJ-45 Galvanic connector typeRSTP Rapid spanning tree protocolRTD Resistance temperature detectorRTU Remote terminal unitSingle-linediagram

Simplified notation for representing a three-phasepower system. Instead of representing each of threephases with a separate line or terminal, only oneconductor is represented.

SLD Single-line diagramWAN Wide area networkWHMI Web human-machine interface

Section 6 1MRS756885 EGlossary


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Motor Protection and Control REM615 Application Manual€¦ · Section 3 REM615 standard configurations.....23 Standard configuration.....23 Addition of control functions for primary