SWT_3000_v2

Power Transmission and DistributionCommunications Solutions for Power Utilities

SWT 3000 Protection Signaling

Teleprotection System

Siemens PTD - Communications Solutions, Sept 04, 2

Overview

1. Introduction

2. Applications

3. Block Diagram

4. Interfaces

5. Features

6. Modes

7. Remote Access

8. Mechanical Design


Introduction

Secure, fast and reliable transmission of protection commands

in digital and analog communication networks

Transmission Time Reliability

Security

Up to 8 commands via digital networks

Up to 4 commands via analog networks


Overview

1. Introduction

2. Applications

3. Block Diagram

4. Interfaces

5. Features

6. Modes

7. Remote Access



Application: PDH

X.21 or

G703.1

64 kbps Digital NetworkSWT 3000

PDHMux


Application: Direct Access to SDH-Network

G703.6

SWT 3000

2 Mbps

Digital NetworkDigital Network

SDH-Multiplexer


Application: Optical Fibre Modem Integrated

Direct Connection

Connection to Multiplexer

SWT 3000

FO

SWT 3000

FO

Digital NetworkFO Mux

SWT 3000

FO



Alternate Path Routing

- PLC and Digital Network

Mux

Digital Network

SWT 3000

FOFO

SWT 3000

FOFO

Power Link

Power Link

Mux



Alternate Path Routing

- Optical Fibre and Digital Network

Mux

Digital Network

SWT 3000

FOFO

SWT 3000

FOFO

Mux


Application: Communication Cable

SWT 3000 SWT 3000

pilot cable 4 wire

SWT 3000 SWT 3000

pilot cable 2 wire


Application: Power Line Carrier

Mode:

- Single Purpose- Multi Purpose- Alternate Multi Purpose

PLC

PowerLink

SWT 3000

PLC

PowerLink

SWT 3000VF


Application: Integrated in PLC-System PowerLink

SWT 3000

PLC

PowerLink

Mode:

- Single Purpose- Multi Purpose- Alternate Multi Purpose


Overview

1. Introduction

2. Applications

3. Block Diagram

4. Interfaces

5. Features

6. Modes

7. Remote Access



Block Diagram - Overview

PS

IFC-P/-D/-S

IFC-P/-D

PU3e

ALRS PS

ALRS Alarm ModulePS Power Supply

transmission path

4

4

IFC-P In-/Output. of commands (permissive tripping) IFC-D In-/Output. of commands (direct tripping)IFC-S signalling contacts

DLE Digital Line EquipmentCLE Analogue Line Interface ModuleFO Fibre Optic Module(s)

PU3e Processor Unit

CLE

DLE

FO


Block Diagram – Digital Interface

PS

IFC-P/-D/-S

IFC-P/-D

PU3e DLE

ALRS PS

Digit. transmission path 1

4 Digit. transmission path 2

SWT 3000 for digital transmission paths

4


Block Diagram – Analog Interface

PS

IFC-S

IFC-P/-D

PU3e CLE

ALRS PS

Analog transmission path

4

SWT 3000 for analog transmission paths

4


Block Diagram – Analog & Digital Interface

PS

IFC-S

IFC-P/-D

PU3e

DLE

ALRS PS

Digital transmission path

4 Analog transmission path

SWT 3000 for digital and analog transmission paths

4

CLE


Block Diagram – Fibre Optic Interface

PS

IFC-P/-D/-S

IFC-P/-D

PU3e

ALRS PS

Opt. transmission path 1

4 Opt. transmission path 2

SWT 3000 for optical transmission paths

4

FO

FO

DLE


Block Diagram – Optical & Analog or Digital Interface

PS

IFC-P/-D/-S

IFC-P/-D

PU3e

ALRS PS

Optical transm. path 1 4

Analog transm. path 2 *)

SWT 3000 for optical and digital / analog transmission paths

4

FO

CLE

DLE Digital transm. path 2 or

*) max 2 transmission paths per system possible


Block Diagram – FOBox

FOBox (standalone) for optical to electrical transmission path conversion

X.21 64 kbps G703.1 64 kbpsG703.6 2 Mbps

FO

opticaltransmissionpath to SWT

FOBox

Power Supply48 V DC

Mux


Block Diagram – Integrated in Power Line Carrier

IFC-S

IFC-P/-D

PU3e8

4

CSP PLE

PowerLink

PLC

SWT 3000 integrated in PowerLink


Block Diagram – Integrated in Power Line Carrier withDigital Interface for additional digital path transmission

IFC-S

IFC-P/-D

PU3e8

4

CSP PLE

PowerLink

PLC

SWT 3000 integrated in PowerLink

DLE

digital transmission path


Overview

1. Introduction

2. Applications

3. Block Diagram

4. Interfaces

5. Features

6. Modes

7. Remote Access



Interfaces – Interface Command

IFC-P4

IFC-D4

IFC-S8 IFC-S Output of 8 signalling contacts

IFC-P Input and Output of 4 commands (permissive tripping)

IFC-D Input and Output of 4 commands (outputs with high contact load for direct tripping)

Each SWT 3000 can be equipped with two IFC-cards


Interfaces – Digital Line Equipment DLE

Digital transmission Interface:

64 kbps X.21

G703.1

2 Mbps G703.6


Interfaces – Copper Line Equipment CLE

Voice frequency - Interface:

4 Wire 600 Ohm 2 Wire 600 Ohm / high impedance

Frequency range:

Guard-frequency0,3 ... 2,0 kHz 2,61 / 3,81 kHz0,3 ... 2,4 kHz 2,61 / 3,81 kHz

Level:

Transmit max. +15 dBmReceive -40 to +4 dB


Interfaces – Optical Fibre Module

Application

Type SWT 3000 PowerLink

1 FOS1 Singlemode - Fibre Optic Module Short range

+ +

2 FOS2Multimode - Fibre Optic Module Short range

+ +

3 FOL1 Singlemode - Fibre Optic ModuleLong range

+

4 FBS1Singlemode - Fibre Optic ModuleFOBox-Stand aloneShort range

FOS1

5 FBS2 Multimode - Fibre Optic ModuleFOBox-Stand aloneShort range

FOS2

all modules Optical Interface > Duplex LC connector, Datarate 2Mbit/s or 64kbit/s


Interfaces – Frequency Allocation VF1 and VF2

0 1 2 3 4 f / kHz

fgVF2

2,61

f4f3 f2 f1 fs fgVF1

0,81 1,03 1,48 1,70 1,92 2,61

Voice band up to 2,4 kHz

Pilot 1 Pilot 2

with ST

Mode 1

Mode 1 - 4

PowerLink VF-band division


with ST

with ST

f4 f2 f1 fs

1,03 1,48 1,70 1,92


Interfaces – Frequency Allocation VF3 to VF5

0 1 2 3 4 f / kHz

f4fsVF5

1,110,67 1,56

fg

3,812,00

f1f2

f4 fsVF4

1,110,67 1,56

fg

3,812,00

f1 f2

f4VF3

1,11 1,56

fg

3,812,00

f1f2fs

0,44 0,67

f3


Pilot 1 Pilot 2

with ST

Mode 1 - 4

Mode 1

Mode 1



with ST

with ST


Interfaces – Frequency Allocation for Three Independent Commands

0 1 2 3 4 f / kHz

f7 f6 f5 f4 f3 f2 f1fs fgVF3_M5A

fs f7 f6 f5 f4 f3 f2 f1 fg

VF1_M5A

0,67 0,89 1,11 1,34 1,56 1,78 2,00 3,81

0,37 0,59 0,81 1,03 1,25 1,48 1,70 1,92 2,61


Pilot 1 Pilot 2

with ST

Mode 5A

Mode 5A


0,44


with ST

with ST


Interfaces – Frequency Allocation for Narrow Band Channels

0 1 2 3 4 f / kHz

NB Ch1 NB Ch2 NB Ch3

NB Ch4


Pilot 1 Pilot 2

with ST

NB Ch1 - 3

NB Ch4

0,63 1,26 1,64 2,27 2,65 3,28

3,16 3,79Mode 1 - 4

Mode 1 - 4



with ST

with ST


Overview

1. Introduction

2. Applications

3. Block Diagram

4. Interfaces

5. Features

6. Modes

7. Remote Access



Features – Integrated Path Protection (1+1)

IFC PUDLE

/ FO

IFC

digit./opt. transm.path 1

digit./opt. transm. path 2

(main path)

PU

IFC PU IFC

digit./opt. transm. path

analogue transmission path

(main path)

PU

DLE / FO

CLE

DLE / FO

CLE

SWT 3000 transmits always via both paths.At the receiving end a failure of the main path is detected and a switch over is executed automatically(only one direction is shown)

DLE /

FO


Features – Redundant Power Supply

SV

IFC-P/-D/-S

IFC-P/-D

PU3e

CLE

DLE

FO

ALRS SV 2 power supplies forhot stand by


Features – Event Recorder

Registration of all events- Input (1,2,3 ...) on- Input (1,2,3 ...) off- Output (1,2,3 ...) on- Output (1,2,3 ...) off- Alarm coming- Alarm going- Reset- Change of configuration

512 Entries Time stamp (Resolution 10 ms)

Clock synchronisation- internal (via transmission path)- external (minute- / hour cycle)


Features – Coded Tripping for analog operation

Improved security against discrete frequency disturbances

Non-coded tripping (F6-modulation)

Coded tripping

f

f1 f guard

idle

f

f1 f guardf2

idle

f

f1 f guard

command transmission

f

f1 f guardf2

command transmission


Features – Coded TrippingFour independent commands

Frequency scheme:

Command fg fs f1 f2 f3 f4 f5 f6 f7

Guard On1 On On2 On On3 On On4 On On

1+2 On On1+3 On On1+4 On On2+3 On On2+4 On On3+4 On On

1+2+3 On On1+2+4 On On1+3+4 On On2+3+4 On On

1+2+3+4 On OnUsync On On


Features – Coded Tripping 2 plus 2

Two protection systems Two different requirements

One teleprotection system

2 commands with 2 commands with fastest transmission time highest security (F6-modulation) (coded tripping)


Features – 2 plus 2

Frequency scheme:

Command fg fs f1 f2 f3 f4 f5 f6 f7

Guard On1 On2 On

1+2 On3 On On4 On On

3+4 On On1+3 On On1+4 On On

1+3+4 On On2+3 On On2+4 On On

2+3+4 On On1+2+3 On On1+2+4 On On

1+2+3+4 On OnUsync On On


Overview

1. Introduction

2. Applications

3. Block Diagram

4. Interfaces

5. Features

6. Modes

7. Remote Access



Modes – Protection

Transmission

Protection Mode Coding Path

F6 Modulati

on

Coded Tripping

Analog Digital

1 Double system protection

+ + + +

2 Single phase protection + + + +

3 4 commands with priority Switching functions

+ + +

3A 4 independent commands

+ + +

3B 2 plus 2 + +

4 1 single command active + + + +

5A 3 independent commands

+ + +

5D 8 independent commands

+

6 Multi Command ModeSWT integrated into PowerLink

+ +


Modes – Transmission time T0 [ms]

Digital Transmission Path

G703.6 (2Mbps)

X.21 or G703.1 (64Kbps)

Mode

T0 [ms] < 3 < 5 1/2/4/5D

Analogue Transmission Path

F 6 modulation

Coded Tripping

Mode

Permissive

Tripping

Direct Trippin

g

Permissive

Tripping

DirectTrippin

g

SWT 3000 stand alone

Single Purpose < 10 < 15 < 10 < 15 1/2/3/3A/3B/4/5A

Alternate Multipurpose < 15 < 20 < 15 < 20 1/2/3/3A/3B/4/5A

Narrow Band < 15 < 20 --- --- 1/2/3

SWT 3000 integrated

Single Purpose < 10 < 15 < 10 < 15 1/2/3/3A/3B/4/5A

Alternate Multipurpose < 19 < 24 < 19/15* < 24/20*

1/2/3/3A/3B/4/5A

Alternate Multipurpose < 15 < 20 < 15 < 20 1(only VF5)

Simultaneous Multipurpose

< 10 < 15 < 10 < 15 1/2/3/3A/3B/4/5A

Narrow Band < 23 < 28 --- --- 1/2/3Transmission time without propagation delay and in absence of noise / bit errors (all values given for use of interface module IFC-P, IFC-D: +7ms) *) Transmission time in Mode 3B (2+2, ½ or 1+2)


Overview

1. Introduction

2. Applications

3. Block Diagram

4. Interfaces

5. Features

6. Modes

7. Remote Access



Remote Access – via IP-Network (Intranet)

SWT 3000

SSB SCSSF

SWT 3000

SSB SCSSF

Station B Station C

SWT 3000

SSB SCSSF

Station A

RS232

Protection signal transmission path

SSB Rear interface

SSF Front interface

RAS Remote Access Server

SC Service channel

PowerLink

SWT 3000

SSB SCSSF

RAS

RS232 TCP/IP

SSB

Intranet (LAN)Intranet (LAN)

RAS

RS232 TCP/IP

Office

PowerSys


Remote Access – via Service Channel

Station A

Station B

Station C Station EStation D

RS232

Router

RS232

RS232

LAN

RS232

IP connectionPowerSys protocol

SWT 3000 withdigital transmission path

SWT 3000

SSB SCSSF

SWT 3000

SSB SCSSF

SWT 3000

SSB SCSSF

SWT 3000

SSB SCSSF

SWT 3000

SSB SCSSF

SWT 3000

SSB SCSSF

SWT 3000

SSB SCSSF

SWT 3000

SSB SCSSF

Router

Router

RAS LAN

RAS LAN

RAS


Remote Access – via Modem

SWT 3000

SSB SCSSF

Station A

IP connection

PowerSys protocol

SWT 3000

SSB SCSSF

Station C

RS232

SWT 3000

SSB SCSSF

SWT 3000

SSB SCSSF

Station B

RAS

Modem

RS232

LAN

RAS Modem


Remote Access – via RM Channel

SWT 3000 with digital transmission path

Protection signal transmission path

SSB Rear interface

SSF Front interface

Addr. Address number

Intranet (LAN)Intranet (LAN)

Office

PowerSys

Station A

SWT 3000

RM Addr. 1

SSF

SWT 3000

RM Addr. 2

SSB

Station B

SWT 3000

RM Addr. 3

SSB

Station C

SWT 3000

RM Addr. 4

SSB

RASRS232 TCP/IP


Remote Access – Summary

Remote access to SWT 3000 with PowerSys via:

1. IP-network (Intranet)

2. Built-in service channel

3. Modem

4. Any combination of the above mentioned possibilities

5. RM-channel


Overview

1. Introduction

2. Applications

3. Block Diagram

4. Interfaces

5. Features

6. Modes

7. Remote Access



Mechanical Design – SWT 3000 for Digital Networksold design shown , will be replaced on availibility of new product images

IFC

PU

3D

LE

ALR

S

PS

(Red

un

dan

t P

S)

IFC


Mechanical Design – SWT 3000 for Analog Networksold design shown , will be replaced on availibility of new product images

IFC

PU

3

CLE

ALR

S

PS

(Red

un

dan

t P

S)

IFC

Documents

SWT_3000_v2