Discussions Populaires Dans la Communauté Substation Automation

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. ‎

What are the General maintenance that happens in 33KV substaton ?‎

How can we troubleshoot the transformer gas relay changeover faulty condition ? Transformer is not yet installed/charged. In Marshaling box status of contact is NC instead of NO?‎

In a Substation why we are using a BMK? ‎

Is there any alternative to SF6 in switchgear for high and medium voltage?‎

If someone is designing a layout for (33KV/11KV) substation in ETAP program , what message will appear if Power Transformers’ sides were converted? ‎

What is the difference between AIS and GIS SUBSTATION ? What is the difference between the distribution stations? ‎

What is the necessity of customised National Electric Standards(SEC, IS etc)when International standards like IEEE and IEC are available?‎

3 Phase,33 KV 1800 KVAR( 150 KVAR X 12),FLC32A Double Star Capacitor Bank with 108 KVAR Reactor Testing Procedure in case of 1 no 40 A HT Fuse Burnt?‎

We are having CT of75/1 Ampere,NCT20/1 Ampere with CAG14 relay,other than7SR11 Siemens make Relay for O/C,E/F,NPS.‎

What are the specialty for Tier-III and Tier-IV Data center facilities?‎