M Family1

Industrial Systems

M Family relays provide economical & reliable digital protection, metering, control and monitoring in an integrated package.

M FAMILY

M Family2

Industrial Systems

What is the M FamilyApplicationsFeatures & BenefitsMonitoring and MeteringUser InterfacesM+PC Program Features• MIF: Digital Feeder Protection• MIV: Digital Voltage/Frequency Protection• MIG: Digital Protection for Rotating Machines• MIN: Digital Directional Ground Protection• MIW: Digital Directional Power and Loss of Field Protection Summary

Presentation Overview:

M Family3

Industrial Systems

The M Family Platform consists of the following devices:

• MIF – Digital feeder protection & back-up protection for transformers, motors and generators• MIG – Digital protection for rotating machines including small generators and motors, or large generator in a protection scheme• MIN – Digital directional ground overcurrent protection, line protection schemes and as a component for generator, motor and transformer schemes• MIV – Digital voltage and frequency protection• MIW – Digital directional power protection for small and medium generators

What is the M Family?

M Family4

Industrial Systems

• Feeder protection at any voltage level• Main protection for small generators and

motors• Backup/auxiliary protection for transformers,

motors, generators and busbars• Can be used alone or in an automation

system• Overload protection• Automatic transfer equipment• Load shedding and restoration schemes• Backup directional overcurrent protection• Reverse power protection• Bus or line synchronism check• Generator and network synchronism check • Three phase reclosing

M Family relays can be used in the following applications:

Applications:

M Family5

Industrial Systems

Features & Benefits• Safety: UL & CSA approved• Reliability: Mature family with Failure Rate below 0.3%/year• Delivery: Quick deliveries achieved via automated production cells• Simple 3-board architecture:

Main board: CPU, Voltage Inputs, I/O, Power Supply Secondary board: Current inputs Front board: HMI (Display, LEDs, RS232)

• Surface mount board manufacturing technology: reduces size, energy consumption and heat

• ModBus RTU: Industry standard communication protocol

• New relays to come: Pilot wire, Phasor Surge, MIF with auto-reclose

M Family6

Industrial Systems

Features & Benefits:

The M Family offers users many advanced features including:

Configurable logic Configurable curves Flash memory allows easy field software

upgrades Two settings tables (basic and advanced) Modular package allows easy and fast

maintenance Common modules reduce cost of spare

components Universal AC/DC Power Supply

M Family7

Industrial Systems

Current, Voltage, Frequency, Thermal

Image, Power

Event recorder (24/32 events)

Self-diagnostics

Analog/Digital Oscillography (with M+PC

Software)

Monitoring and Metering

M Family8

Industrial Systems

DISPLAY

KEYPAD

Scrolling LED Dot matrix Visible in dim lighting or at any angle Used for programming, monitoring, status,

fault diagnosis, and settings Six LEDs (four of them configurable, one fixed

for service and one fixed for trip)

Three button keypad Rubber keypad dust tight and splash proof RS232 front communication port

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Overc urrent Relay

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GE Power Management

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M FamilyM odular M ic roproc essor Relay

User Interfaces:M Family devices feature user-friendly local interfaces:

M Family9

Industrial Systems

Software runs on Windows®-based PCs Easy viewing of acual values, view/edit

settings, view event recorder, view relay status, configure LEDs

Relay firmware programming for upgrades Download & view Oscillography in

Comtrade format Program I/O logic Simple software calibration allows extra

performance with no extra product cost

M+PC Software Features:

Windows®-based software allows easy set-up and monitoring of measured values:

M Family10

Industrial Systems

Feeder protection at any voltage level Backup/auxiliary protection for transformers, motors, and generators

- MIF Feeder Protection

MIF Digital Feeder Protection

• 3 phase and ground time delayed overcurrent (51P, 51G)

• 4 preconfigured overcurrent curves• 1 user configurable overcurrent curve• 3 phase and ground instantaneous overcurrent

(Hiset and Loset) (50PH, 50PL, 50GH, 50GL) Open & Close breaker controls• Thermal image protection (49) • Cold load pickup• Configurable inputs and outputs• 6 outputs: trip, service required, auxiliary

MIF Protection and Control characteristics include:

The MIF suits the following applications:

M Family11

Industrial Systems

Primary amps reading Independent CT ratios for G & N Complete fault reporting Simple software calibration increases accuracy up

to 1% (49) thermal function compatible with other

vendors in newer models of MIF Convenient pullers and rear connectors upgraded

to ease extraction and insertion Single shot recloser (79) built in using flex logic.

New MIF Features and Benefits:

- MIF Feeder Protection

M Family12

Industrial Systems

Over/undervoltage protection and monitoring

Overvoltage protection for generators

Undervoltage detection in automatic transfer systems

Undervoltage/voltage unbalance protection for motors

Monitoring of lines and busbars for healthy/existing/lack of voltage

Voltage/frequency load shedding and restoration

- MIV Digital Voltage/Frequency Protection

MIV Voltage and Frequency Protection

The MIV can be used for applications such as:

M Family13

Industrial Systems

• Three phase undervoltage protection (27) (Hiset and Loset)• MIV includes a separate setting for enabling /disabling

the undervoltage unit when a breaker is open• Three phase overvoltage protection (59) (Hiset and Loset)• Ground overvoltage protection (59N) (Hiset and Loset)• Voltage unbalance protection (47)• Under/overfrequency protection(81U/81O)

• Each unit can be independently set as underfrequency or overfrequency.

• Each frequency unit is supervised by an independently adjustable undervoltage element

• Multiple Setting Groups• Configurable I/O• 6 outputs: trip, service required, auxiliary

MIV Protection & Control:

- MIV Digital Voltage/Frequency Protection

The MIV offers advanced Protection and Control functions including:

M Family14

Industrial Systems

- MIG Three-phase protection for rotating machines

Small Generator protection Component in larger generator protection scheme Standby/critical power protection main unit Small motor protection

MIG Digital Protection for Rotating Machines

The MIG can be used for applications such as:

M Family15

Industrial Systems

MIG Protection & Control:

- MIG Three-phase protection for rotating machines

• Thermal image protection

• Unbalance or current reversal

• Phase, ground time overcurrent (51P, 51N)

• Phase, ground instantaneous overcurrent

(50P, 50N)

• Undercurrent (37)

• 4 pre-configured overcurrent curves (ANSI,

IEC)

• Maximum number of starts

• Locked Rotor

• 6 outputs: trip, service required, auxiliary

• Two setting tables

M Family16

Industrial Systems

Directional ground protection & control

Isolated ground or Petersen Coil option

Backup/auxiliary protection for line schemes

Component relay for generator, motor and transformer packages

- MIN Digital Directional Ground Protection

MIN Digital Directional Ground Protection

Applications for the MIN include:

M Family17

Industrial Systems

• Two ground IOC (high and low) units for

grounded systems• Two ground TOC (high and low) units for

grounded systems• Two directional units (67N) for grounded

systems• Two directional units for ungrounded or

Petersen coil systems

• Configurable breaker failure to open• Directional comparison scheme logic (MIN

L models)• 4 preconfigured overcurrent curves (ANSI

or IEC)• Configurable I/O• 6 outputs: trip, service req’d, auxiliary

MIN Protection & Control:

- MIN Directional Ground Protection

The MIN offers users advanced Protection and Control features including:

M Family18

Industrial Systems

- MIW Directional Power & Loss of Field Relay

Small and Medium Generators

Component for complete M050 and M100 systems

Standby/critical power protection main unit

MIW Digital Power Protection

The MIW is suitable for the following applications:

M Family19

Industrial Systems

• Single universal model for 1 and 5 A CT using just a single terminal.• High accuracy current sensors allow extremely wide range (from 1% to 150%

of rated current) allowing.• Digital software calibration improves accuracy.• Advanced phase angle compensation allows high accuracy even in extreme

conditions.• Single model use for over/under power applications.• Easy to use flex logic through M+PC software.• Full compatible with URPC standard software.

MIW Features & Benefits

The MIW’s main features and benefits include:

- MIW Directional Power & Loss of Field Relay

M Family20

Industrial Systems

• Active Power protection (32)• Forward and Reverse (Motoring of generator)• Under and Over (Wind generators application)• Loss of field excitation (40)• Fuse Failure (60)• 6 outputs: trip, service required, auxiliary• Two setting tables

MIW Protection & Control:

- MIW Directional Power & Loss of Field Relay

The MIW’s Protection and Control features include:

M Family21

Industrial Systems

GE Power Management

215 Anderson Ave.,

Markham, Ontario

Canada L6E 1B3

Web: www.GEindustrial.com/pm

Tel: +1 905-294-6222

Fax: +1 905-201-2098

Email: info.pm@indsys.ge.com

M Family relays provide economical & reliable digital protection, metering, control and monitoring in one integrated package.

MIF – Feeder & auxiliary protection for transformers, motors and generators

MIG – Protection for small generators and motors, and component in large generator protection schemes

MIN – Protection for directional ground, auxiliary line schemes, and as a component for generator, motor and transformer schemes

MIV – Voltage and frequency protection

MIW – Power protection for small and medium generators, and as a component for M050 and M100 system

M Family Summary: