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FADHEL
Commentator

Join Date: Sep 2012
Posts: 58

CT Stack Protection

11/23/2012 4:36 PM

Dear all

I work in 400/132KV sub station we have in the 400KV side ( CT STACK protection) but in the 132KV side no such protection

My question is why?

And are this protection always does not exist on the 132kv side .if answer is yes whats the cause

Regards
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Pathfinder Tags: CT stack protection
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Crabtree
Guru

Join Date: Jul 2007
Location: Commissariat de Police, Nouvions, occupied France, 1942.
Posts: 2599
Good Answers: 77
#1

Re: CT Stack Protection

11/24/2012 4:32 AM

Is the 400kV an inlet and the 132 an outlet, Boss?

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FADHEL
Commentator

Join Date: Sep 2012
Posts: 58
#2
In reply to #1

Re: CT Stack Protection

11/24/2012 6:27 AM

dear sir

Yes , the 400kV an inlet and the 132 an outlet

Regards
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Joshi
Guru

Join Date: Oct 2007
Location: India
Posts: 1246
Good Answers: 34
#3

Re: CT Stack Protection

11/24/2012 10:20 AM

The CT STACK protection is provided on your 400 KV side for protection. If there is any fault on your 132 KV side, it will be reflected back on your 400 KV side, which is provided with protection.
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FADHEL
Commentator

Join Date: Sep 2012
Posts: 58
#4
In reply to #3

Re: CT Stack Protection

11/25/2012 9:26 PM

Dear sir

thank you for response. But the fault must isolation before moving to 400kv side

Regards
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Crabtree (1); FADHEL (2); Joshi (1)

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