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Deal with OHL and Transformer Protection Yohan Fajar Sidik Dec 21, 2013
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Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

Apr 18, 2020

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Page 1: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

Deal with OHL and Transformer Protection

Yohan Fajar SidikDec 21, 2013

Page 2: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

Power System Generation Transmission Distribution

Page 3: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

Switchgear

Page 4: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

150 kV Circuit Breaker

Page 5: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

Center Break Disconnector

Page 6: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

CT and VT

Page 7: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

Surge Arrester

Page 8: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

Typical Relay Primary Protection Zones in a Power System

Page 9: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

Single Busbar Configuration

Page 10: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

Double Busbar Configuration

Page 11: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

Interlock Sequences rule to protect from mal-operation

Page 12: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

Introduction to Control Relay and Protection Main Protection : Line : Distance Relay Trafo : Differential Relay

Back Up Protection : Overcurrent Relay Bay Control Unit : Controlling, Measurement, Signalling

Page 13: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

Transformer Protection Using MiCOM P64x

Page 14: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

Transformer Protection – Cont’d ANSI Code 87T : Transformer

Differential Protection 87N : Earth Diff. Prot. 64 : Restricted earth fault

Page 15: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

Transformer Protection – Cont’d

Page 16: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection P54x Line Current Differential Protection

Page 17: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

MiCOM Relay Function ANSI Code 21 : Distance Prot. 25 : Synchrocheck 79 : Auto Reclose

Page 18: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

Overheadline Protection

Page 19: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

Convensional Panels

Page 20: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

Transformer and Feeder Panels

Transformer Panel OHL/Feeder Panel

Page 21: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

Feeder Panel Transformer Panel Substation Automation

System Panel

Page 22: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

HMI Overview

Page 23: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

HMI Overview – Record of Sequence Event

Page 24: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

References J. Lewis Blackburn, Protective Relaying: Principles

and Applications, CRC Press. ---------,Switchgear and Substations, Siemens

Page 25: Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection – Cont’d Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection

More DiscussionEmail : [email protected]