Auto Reclose Testing

ON SITE TESTING OF AUTO RECLOSER RELAYS Riam A. Wibowo

Introduction ,[object Object],[object Object],[object Object],[object Object]

An Over head line with Auto recloser relays ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Utility Substation Customers

An Over head line without Auto recloser relays ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Utility Substation Customers

TYPICAL CONFIGURATION & SETTING of AUTORECLOSER RELAY in INDONESIA Currently under Construction 275kV Over Current Distance Relay Distance Relay Protective relay one ,[object Object],[object Object],two Number of Breakers three poles single and three poles single pole Single or Multi Pole single shot single shot single shot Number of shots 180 second 40 second 40 second Reclaim Time Setting 60 second 1 second 0.7 or 0.9 second Dead Time Setting 20kV 150kV 500kV

Basic Requirement of Autorecloser Relay Performance ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Basic Requirement of Autorecloser Relay Performance (2) ,[object Object],[object Object],[object Object],[object Object],[object Object]

Specific requirement for 500 kV Autorecloser Relay ,[object Object],[object Object]

TYPICAL SITE TESTS ITEMS OF AUTORECLOSER RELAY INSTALLATION OPERATION Visual Check Check of the Power Supply Test of the Autorecloser settings Functional Testing (involving operation of Protective Relays & Circuit Breaker(s)

Protective Relay technology development Multi elements Relays Single Module Relays Multifunction Relays Electro mechanical Electronic Digital/numerical

Effect of relay technology development to Autorecloser site testing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Disadvantage Advantage Type of Autorecloser

Effect of relay technology development to Autorecloser site testing ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Disadvantage Advantage Type of Autorecloser

SUMMARY ,[object Object],[object Object],[object Object]

Multi elements Autorecloser ( Previous Generation of Autorecloser) ,[object Object],Autorecloser Timer(s) & Counters Aux. Relays & contacts Logic Circuit Power Supply Protective relay CIRCUIT BREAKER(S) Synchro Check relay

[object Object],Autorecloser Single Module Autorecloser ( Previous Generation of Autorecloser) Protective relay CIRCUIT BREAKER(S) Synchro Check relay

Current Generation of Autorecloser ,[object Object],Protective .relay Autorecloser Synch Check CIRCUIT BREAKER(S)

Auto Reclose Testing

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Auto Reclose Testing