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2008-12-16 SA2008-001386

Substation Automation and Protection Training

REB 500/REB500Sys Busbar Protection

Introduction

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REB500- Numerical Busbar- & Breaker

Failure Protection System

- System Firmware Version < 6

- Bay Unit Type:

BU01 (for FW Vers. 4.xx)

BU02 (for FW Vers. 5.xx)

- Central Unit Typ:

CU01 / CU02

REB500sys- Numerical Station Protection

System

- System Firmware Version 6- Bay Unit Type:

BU03

- Central Unit Typ :

CU01 / CU02 (for FW Vers. 6.xx)

CU03 (for FW Vers. 7.xx -CU Re- Design)

Definitions / Features

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analogue und signalling inputs

T1

Q0

Q1 Q2

T1

Q0

T1

Q0

Q1 Q2

T1

Q0

Q1 Q2

T1

Q0

Q1 Q2

T1

Q0

Q1 Q2

T1

Q0

Q1 Q2

T1

Q0

Q1 Q2

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2

Fibre optical connection (f.o.)

f.o.

Tripping and alarm outputs

General In- and ouputs (e.g. reset, blockings, alarms)

Functionality and Hardware Overview 1

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analogue und signalling inputs

T1

Q0

Q1 Q2

T1

Q0

T1

Q0

Q1 Q2

T1

Q0

Q1 Q2

T1

Q0

Q1 Q2

T1

Q0

Q1 Q2

T1

Q0

Q1 Q2

T1

Q0

Q1 Q2

1

2

Fibre optical connection (f.o.)

f.o.

Tripping and alarm outputs

General In- and ouputs (e.g. reset, blockings, alarms)

DistributedIntelligence

and functionality

Functionality and Hardware Overview 2

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Transfer Bus

12 Binary Inputs9 Binary Outputs

59 / 60 Bay Units BU - 32 Protection Zones

16 Binary Inputs, 16 Binary Outputs

4 Current Transformer (1A & 5A)

1 BreakerSystem

BBP BFP DR I0 EFP OC U< PD ER COM HMI

Quadruple BusbarSingle Busbar Double Busbar Triple Busbar

Options: Redundant Power Supply4 Voltage Transformer

Options: 12 Binary Inputs, 9 Binary OutputsRedundant Power Supply

BBP = Busbar ProtectionBFP = Breaker Failure ProtectionDR = Disturbance RecordingER= Event RecordingEFP = End Fault Protection

OC = Overcurrent ProtectionPD = Pole discrepancy ProtectionI0 = Neutral Current DetectionCom = CommunicationHMI = Human Maschine Interface

Abbreviations:

Functionality

Central Unit

MaximumConfiguration

Bay Unit(BU02)

Installation

REB500 functionality & hardware

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REB500 Main functionality

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Busbar protection (87B) XIsolator supervision XDifferential current supervision XComprehensive self-supervision XSoftware Matrix for Inputs / Outputs / Trip matrix XTime synchronization XEvent recording up to 1000 events XDisturbance recorder (4 x I, 5x U ) 1.5 sec; (U if VT avail.) XDynamic Busbar replica with display of currents XTestgenerator XRemote-HMI XTrip command re-direction XMeasurement of neutral current I0 (87B) XBreaker failure protection (51BF) XEnd-fault protection (51) XBreaker pole discrepancy (51) XOvercurrent check feature (51) XVoltage check feature (27/59) XOvercurrent protection (def. time) (51) XDisturbance recorder (4 x I, 4 x U) up to 10 sec. at 2400 Hz XCommunication interface LON / IEC60870-5-103 X2nd Binary input output card for central XRedundant power supply for central- and/or bay units X

Functionality as in conventional

busbar protection

Additional Functionality as Standard in REB500

Possible further functionalityto benefit from

the numerical technologies

Feature - Station Protection

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REB500sys functionality = REB500 +Distance protection (21)Autoreclosure (79)Synchrocheck (25)Direct. sensitive EF prot. For grounded systems (67N)Direct. sensitive EF prot. for ungrounded or compensated systems (32N)Transformer differential protection 2-/3 w & Auto Transformer (87T)Thermal overload (49)Peak value over and undercurrent protection (50)Inverse time earth fault overcurrent protection (51N)Definite / Inverse time over and undercurrent protection (51)Definite time over and undervoltage protection (59/27)Directional overcurrent definite / inverse time protection (67)Three phase current / voltage plausibility (46 / 47)Power (32) Overfluxing definite / inverse time (24) Frequency (81) Rate-of-change of frequency df/dt (81) Test Sequenzer

TDiff

I peak

Power

Overflux

f

Z

I >

U >U>50

TP since FW

Version

7.20Basic functions

I > I > U >U< Logik

Standard Configuration Feeder Protection

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System Protection - Functions

Station Protection - Functions

BFP EFP OC PD U< DR ER HMI

BBP I0 ER COMSA HMITest

generator

T1

Q0

Q1 Q2T1

Q0

T1

Q0

Q1 Q2

T1

Q0

Q1 Q2

T1

Q0

Q1 Q2

T1

Q0

Q1 Q2

T1

Q0

Q1 Q2

T1

Q0

Q1 Q2

12

Bay Protection - Functions

TDiff I peak Power Over-flux fZ< DEF I > I > U >U< Logic AR SC

T1Q0

Q1 Q2T1

Q0T1Q0

Q1 Q2

T1Q0

Q1 Q2

T1Q0

Q1 Q2

T1Q0

Q1 Q2

T1Q0

Q1 Q2

T1Q0

Q1 Q2

12

Installations

1 4 busbars incl. transfer bus

1 breaker configuration

60 bay units BU03

32 protections zones

Bay Unit

Central Unit

Application Areas for REB 500/REB500Sys.

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Electromechanical Relays 1903

Static Relays 1960

Numerical Protection 1987

Numerical HV Automation System 1991

Numerical Busbar & Breaker Failure Protection 1994

Fully Graphical HMI 1997

Automation System with Sensors & Actors 1998

REB500sys including Line protection 2001

REB500 with IEC61850-8-1 2005

REB500sys with IEC61850-8-1 2007

REB500 with HMI500 Configurator 2009

History