Trending Switchgear Discussions

What is Bus differential Relay ?‎

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3

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4

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849

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If a Breaker fail happens at any outgoing feeder what should we trip (Incomer & Bus Tie only) or (Incomer , Bus Tie & All the outgoing feeders)? ‎

Please give  me answer with reason why we have trip all the feeder as well as the switchgear will de energize. ‎

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40

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39

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1020

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How to check directional earth fault? explain with detail. ‎

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4

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5

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1658

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Switchgear or RMU? What are the advantages and disadvantages of the each?‎

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2

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2

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3689

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How can we use ct and pt for protection of overhead line? ‎

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1

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1

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150

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What are the alternatives to the use of overload releases?‎

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1

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1

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208

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Will normal overload relays trip on single phasing?‎

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9

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8

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575

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Is hi pot test destructive test shall not be repeated several time? And how much the injection level for the 3 rd time for 33 kv swgr? ‎

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2

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2

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418

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How to explain Transient Voltage Surge Suppressor (TVSS) Working procedure? ‎

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2

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3

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139

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Can installation of Capacitor bank improve output Power utilization? ‎

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24

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24

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1023

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