Relion® 650 seriesBreaker protection REQ650 2.1 IECProduct guide

Application

Available functions

Voltage protection

Control

Logic

Monitoring

Metering

Basic IED functions

Connection diagrams

Technical data

Fuse failure supervision

Elapsed time integrator with limit transgression and overflow supervision

Measurements

Disturbance report

Pulse-counter logic

ABB REQ650 Product Manual

Section 1 Introduction

Product documentation

Document revision history

Document symbols and conventions

Document conventions

Section 2 Application

Control and monitoring functions

Communication

Section 3 Configuration

Section 4 Analog inputs

Setting of current channels

Example 2

Example 3

Examples on how to connect, configure and set CT inputs for most commonly used CT connections

Example on how to connect a star connected three-phase CT set to the IED

Example how to connect delta connected three-phase CT set to the IED

Example how to connect single-phase CT to the IED

Relationships between setting parameter Base Current, CT rated primary current and minimum pickup of a protection IED

Setting of voltage channels

Examples on how to connect a three phase-to-earth connected VT to the IED

Example on how to connect a phase-to-phase connected VT to the IED

Example on how to connect an open delta VT to the IED for high impedance earthed or unearthed netwoeks

Example how to connect the open delta VT to the IED for low impedance earthed or solidly earthed power systems

Example on how to connect a neutral point VT to the IED

Section 5 Local HMI

Display

LEDs

Keypad

Local HMI functionality

Parameter management

Section 6 Current protection

Meshed network without parallel line

Meshed network with parallel line

Four step phase overcurrent protection OC4PTOC

Setting guidelines

Settings for each step

Instantaneous residual overcurrent protection EFPIOC

Four step residual overcurrent protection EF4PTOC

Identification

Common settings for all steps

nd harmonic restrain

Switch onto fault logic

Four step directional negative phase sequence overcurrent protection NS4PTOC

Sensitive directional residual overcurrent and power protection SDEPSDE

Thermal overload protection, one time constant, Celsius/Fahrenheit LCPTTR/LFPTTR

Setting guideline

Breaker failure protection CCRBRF

Breaker failure protection, single phase version CCSRBRF

Stub protection STBPTOC

Directional underpower protection GUPPDUP

Directional overpower protection GOPPDOP

Broken conductor check BRCPTOC

Section 7 Voltage protection

Voltage instability mitigation

Two step overvoltage protection OV2PTOV

Equipment protection, such as for motors, generators, reactors and transformers

Two step residual overvoltage protection ROV2PTOV

Power supply quality

Direct earthed system

Settings for Two step residual overvoltage protection

Loss of voltage check LOVPTUV

Section 8 Multipurpose protection

Current and voltage selection for CVGAPC function

Base quantities for CVGAPC function

Inadvertent generator energization

Negative sequence overcurrent protection

Generator stator overload protection in accordance with IEC or ANSI standards

Open phase protection for transformer, lines or generators and circuit breaker head flashover protection for generators

Voltage restrained overcurrent protection for generator and step-up transformer

Section 9 Secondary system supervision

Negative sequence based

Delta U and delta I

Dead line detection

Autorecloser for 1 phase, 2 phase and/or 3 phase operation SMBRREC

Auto-reclosing operation OFF and ON

Start auto-reclosing from CB open information

Long trip signal

Relion REQ650

series overview

Current protection

Secondary system supervision

Human Machine interface

Station communication

Hardware description

PHPIOC

SPTPIOC

OC4PTOC

LPTTR

GUPPDUP

Issued: April

Symbols and conventions

busbar switchyard

Line bay in a high impedance earthed network, connected to single busbar switchyard

Line bay in a high impedance earthed network, connected to double busbar switchyard

Transformer bay in a solidly earthed network, connected to single busbar switchyard

Transformer bay in a solidly earthed network, connected to double busbar switchyard

Transformer bay in a high impedance earthed network connected to single busbar switchyard

Section 3 REQ650 setting examples

Calculating settings for analogue TRM inputs 4I 1I 5U

GBSVAL

Calculating settings for four step phase overcurrent protection 3-phase output I> OC4PTOC

Calculating settings for step 2

Calculating settings for step 3

Calculating settings for instantaneous residual overcurrent protection EFPIOC

Calculating settings for four step residual overcurrent protection 3I0> EF4PTOC

Calculating settings for breaker failure protection 3-phase activation and output CCRBRF

Calculating settings for pole discordance protection CCRPLD

Introduction

Example 1

Local HMI

Instantaneous phase overcurrent protection 3-phase output PHPIOC

Instantaneous phase overcurrent protection phase segregated output SPTPIOC

Four step phase overcurrent protection 3-phase output OC4PTOC

Settings for steps 1 to 4

Four step phase overcurrent protection phase segregated output OC4SPTOC

Example

Four step residual overcurrent protection, zero, negative sequence direction EF4PTOC

Thermal overload protection, one time constant Celsius Fahrenheit LCPTTR/LFPTTR

Breaker failure protection 3-phase activation and output CCRBRF

Breaker failure protection phase segregated activation and output CSPRBRF

Pole discordance protection CCRPLD

Negative sequence based overcurrent function DNSPTOC

Two step undervoltage protection UV2PTUV

Settings for Two step undervoltage protection

Section 2 Available functions

Section 3 Starting up

Checking the power supply

Setting up communication between PCM600 and the IED

Writing an application configuration to the IED

Checking CT circuits

Checking VT circuits

Checking binary input and output circuits

Section 4 Establishing connection and verifying the IEC

Preparing the IED to verify settings

Activating the test mode

Connecting the test equipment to the IED

Releasing the function to be tested

Verifying analog primary and secondary measurement

Testing the protection functionality

Testing disturbance report

Testing current protection functions

Instantaneous phase overcurrent protection phase segregated output SPTPIOC (50)

Verifying the settings

Completing the test

Measuring the operate limit of set values

Four step non-directional residual overcurrent protection

SDEPSDE (67N)

Checking the re-trip and back-up times

Verifying the re-trip mode

Verifying the back-up trip mode

Checking the phase current operate value, Pickup_PH

Pole discrepancy protection CCRPLD (52PD)

Measuring the operate and time limit of set values

Directional overpower protection GOPPDOP (32)

Testing voltage protection functions

Two step overvoltage protection OV2PTOV (59)

Testing frequency protection functions

Overfrequency protection SAPTOF (81)

Rate-of-change frequency protection SAPFRC (81)

Testing secondary system supervision functions

Checking that the binary inputs and outputs operate as expected

Measuring the operate value for the negative sequence function

Checking the operation of the dv/dt and di/dt based function

Testing the synchronizing function

Testing the synchrocheck check

Testing the energizing check

Testing the voltage selection

Preparation of the verification

Verifying the autorecloser for 3-phase operation function SMBRREC (79)

Checking the reclosing conditions

Verifying the auto-reclosing function

Checking the influence of synchronism check (at three-pole reclosing)

Testing logic functions

Circuit breaker lockout

Setting the station communication

Verifying the station communication

clearing system

Visual inspection

troubleshooting

Checking the communication link operation

Indication messages

Warnings

Correction procedures

ABB REQ650 Product Manual

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Contents Table Of Contents Application Available functions Voltage protection Control Logic Monitoring Metering Basic IED functions Connection diagrams Technical data Fuse failure supervision Elapsed time integrator with limit transgression and overflow supervision Measurements Disturbance report Pulse-counter logic	Relion® 650 seriesBreaker protection REQ650 2.1 IECProduct guide Next / 72