Discuss Generator Circuit Breaker in the Electrical Forum area at ElectriciansForums.net

S

speedtronic

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For a synchronizing circuit breaker of some turbo generator, what should be the location of thr isolator? I mean should it be on generator side i.e. before circuit breaker or at the opposite side i.e. after circuit breaker? What I have observed so far is the Ist case i.e. on generator side but theoratically how it should be? please explain
 
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G

Guest123

  • Thread Starter Thread Starter
  • #2
Hi

The isolator is always positioned upstream of the CB. That way the sync system can be shut off entirely for that geney should a problem occur with that particular set.
 
S

speedtronic

  • Thread Starter Thread Starter
  • #3
Thanks for your reply. A little confusion. Does upstream of GCB mean from Generator side or from opposite side i.e. busbar side?
 
G

Guest123

  • Thread Starter Thread Starter
  • #4
Sorry, upstream is before CB I.e genny side.
 

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