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

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

More DiscussionEmail : yohanfajarsidik@live.com