Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection –...
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Deal with OHL and Transformer Protection Yohan Fajar Sidik Dec 21, 2013
Transcript of Deal with OHL and Transformer Protection...64 : Restricted earth fault Transformer Protection –...
Deal with OHL and Transformer Protection
Yohan Fajar SidikDec 21, 2013
Power System Generation Transmission Distribution
Switchgear
150 kV Circuit Breaker
Center Break Disconnector
CT and VT
Surge Arrester
Typical Relay Primary Protection Zones in a Power System
Single Busbar Configuration
Double Busbar Configuration
Interlock Sequences rule to protect from mal-operation
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
Transformer Protection Using MiCOM P64x
Transformer Protection – Cont’d ANSI Code 87T : Transformer
Differential Protection 87N : Earth Diff. Prot. 64 : Restricted earth fault
Transformer Protection – Cont’d
Line Feeder Protection Using MiCOM P44x or P54x P44x Distance Protection P54x Line Current Differential Protection
MiCOM Relay Function ANSI Code 21 : Distance Prot. 25 : Synchrocheck 79 : Auto Reclose
Overheadline Protection
Convensional Panels
Transformer and Feeder Panels
Transformer Panel OHL/Feeder Panel
Feeder Panel Transformer Panel Substation Automation
System Panel
HMI Overview
HMI Overview – Record of Sequence Event
References J. Lewis Blackburn, Protective Relaying: Principles
and Applications, CRC Press. ---------,Switchgear and Substations, Siemens
