Location of high voltage devices
Location of high voltage devices
(OP)
what will the ideal location of high voltage compononet(circuit breaker,isolator ,current transformer and voltage trasnformer).
some times curent transformer are placed before circuit breaker and sometimes after CB..
Is there any rule for positioning high voltage component??
some times curent transformer are placed before circuit breaker and sometimes after CB..
Is there any rule for positioning high voltage component??






RE: Location of high voltage devices
RE: Location of high voltage devices
RE: Location of high voltage devices
Is depend on the local rules.
For example: in our application, we placed CT after CB only ( toward to the line), one core to BBP ( 87B) is protected CB and bus disconnectr, one core for line/trafo, etc protection, usually is overlapping style.
But last time, in few projects, we see one CT before, one after CB, take in account is additional price.
In one very old application, mnf used one CT after line DS for the BBP (87B).
Best Regards.
Slava