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from the project department...
220kv/33kv SUBSTATION
Engineering and workplace issues. topic
Posted by manir on 20 December, 2008 - 8:19 am
we are currently involved in a 220kv/33kv substation in SAIL-IISCO Plant in India. I want to know, is there any difference if we connect a CT before a circuit breaker(CB) or after a CB? please inform us.
Reply to this post...

Posted by cappowerman on 4 January, 2009 - 5:25 am
>is there any difference if we connect a CT before a circuit breaker(CB) or after<

Yes. It will definitely make a difference - the zone of protection.
Reply to this post...

Posted by k b on 26 January, 2009 - 5:24 am
hello

so i work in energy company transmission of electricity 200kv and 400kv

electric control engineer

i infom you that we install the CT after the CB circuit breaker.

Reply to this post...
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