disturbance recording

8/14/2019 Disturbance Recording

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HOW THE DISTURBANCE ATHOW THE DISTURBANCE AT

GRIDS IS RECORDEDGRIDS IS RECORDED

WE ARE NOW GOING TO LEARN ABOUTWE ARE NOW GOING TO LEARN ABOUTTHIS TOPICTHIS TOPIC


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Numerical Relays and DisturbanceNumerical Relays and DisturbanceRecordingRecording

Numerical Relays AndDisturbance Recording

By

Engr. Syed Husnain Shah


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Conventional TechnologyConventional Technologycontrol panel, separate relay room, connectivity throughcontrol panel, separate relay room, connectivity through

hardwiring.hardwiring.

New TechnologyNew Technologylocal control, multifunction relays, connectivity through seriallocal control, multifunction relays, connectivity through serial

communication.communication.


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Multipurpose protection relay series

Voltage relays:

REU 523 & REU 513

Overcurrent & earth-fault relays:

REJ 525 & REJ 515Overcurrent relays:

REJ 523 & REJ 513

Earth-fault relays:

REJ 521 & REJ 511

Directional earth-fault relays:

REJ 527 & REJ 517


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Features

A wide range of protection functions

Wide and accurate numerical settings with perfectlong-time stability

Two sets of relay settings available

Recorded and time-stamped data of the latest 5 events Event code buffer of the latest 60 events

Disturbance recording function for fault analysis

Output relay functions freely configurable for trippingand signalling

Circuit-breaker failure protection unit


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Features

Binary input for blocking, external resetting, triggering and selection ofsetting group

Optical serial interface on the front panel for communication with portablecomputer

Powerful and easy-to-use software tools for relay setting

High system reliability and availability due to continuoushardware and software self-supervision

High immunity to electrical and electromagnetic interference

Relay case with a degree of protection according to IP 54

Rated frequency user-selectable 50/60 Hz

CE marking according to the EC directive for EMC


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The supervision of your network will beThe supervision of your network will beenhanced by usingenhanced by using Numerical relaysNumerical relays

11--Easy to useEasy to use -- ready made nfigurations =ready made nfigurations =local adaptations are not neededlocal adaptations are not needed

22--Wide protection functionalityWide protection functionality -- covering thecovering the

most essential protection functionsmost essential protection functions33--Condition monitoring functionsCondition monitoring functions -- forfor

continuos supervisioncontinuos supervision

44--Control functionsControl functions -- local or remotelocal or remote

MeasurementsMeasurements

55--ConnectivityConnectivity -- for remote control andfor remote control and

monitoringmonitoring66--Easy to integrate in systems throughEasy to integrate in systems through

communication protocolscommunication protocols

77--Easy to orderEasy to order


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Functionality

ControlControl

Control of one circuit breakerControl of one circuit breaker

Indication of 3 objectsIndication of 3 objects

PrePre--programmed interlockingprogrammed interlocking

conditionsconditions

Condition MonitoringCondition Monitoring

Self supervision (IRF)Self supervision (IRF)

Trip circuit supervisionTrip circuit supervision

CircuitCircuit--breaker wearbreaker wear

Phase current supervision (MCSPhase current supervision (MCS3I)3I)

Phase voltage supervision (MCSPhase voltage supervision (MCS3U)3U)

CommunicationCommunication

SPA, LON and IEC103SPA, LON and IEC103protocolprotocol

Set values, measuredSet values, measuredvalues, registered values /values, registered values /

events, uploading ofevents, uploading ofdisturbance recorder data,disturbance recorder data,control, etc. availablecontrol, etc. availabletrough communicationtrough communication

Easy to useEasy to use

Measured values shown asMeasured values shown asprimary valuesprimary values

The settings are made inThe settings are made inprimary valuesprimary values

Easy menu navigationEasy menu navigation

MMI in several languagesMMI in several languages


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Everything in one box


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Flexibility

Full range of protection, measuring,

control and supervision functions

Large amount of generic functions

Freely drawable mimic view

Freely programmable alarm indications

Freely configurable function button

Application-specific functionality


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Protection FunctionsProtection Functions AutoAuto--reclosing (reclosing (55 shots)shots)

Phase discontinuityPhase discontinuity

NonNon--directional earthdirectional earth--faultfault

Directional earthDirectional earth--faultfault

NonNon--directional overcurrentdirectional overcurrent Directional overcurrentDirectional overcurrent

Under/overfrequencyUnder/overfrequency

Transformer inrush and motorTransformer inrush and motorstartstart--up current detectorup current detector

OvervoltageOvervoltage UndervoltageUndervoltage

Residual overvoltageResidual overvoltage Synchro/voltageSynchro/voltage--checkcheck

Thermal overload for cablesThermal overload for cables


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Substation automation (SCS)

Protection

Monitoring and control

Communication with NCC

Power quality measurements

Time synchronization

Interlocking Metering

MV & HV


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Event Capture From Aug. 14,Event Capture From Aug. 14,

20032003


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How are you Feeling?????? AfterHow are you Feeling?????? Afterlistening to this lecture????listening to this lecture????


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You must be feeling Like..You must be feeling Like..


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This??????


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THANKS FOR YOUR PATIENCETHANKS FOR YOUR PATIENCE

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