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Anonymous Poster

HV-Surge Arrester

01/04/2009 8:29 AM

When mounting the surge counter the connection of the counter to the arrester bottom terminal should be isolated cable as per manufacturer instruction but what about the connection of counter opposite terminal that will be connected with the grounding grid, it also should be with insulated cable????????

Thanks
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Anonymous Poster
#1

Re: HV-Surge Arrester

01/04/2009 10:47 AM

No It is not neccesary

Dartita
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Anonymous Poster
#2
In reply to #1

Re: HV-Surge Arrester

01/06/2009 2:52 AM

Dear Sir,

One terminal from the SA's base shall be connected with Inslauted with copper cable of suitable size. The other side can either be connected with GI, Copper falt or Alumium Cable alos. There is no definite rule how to ground.

Best Regards,

N.Suresh
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myn1996
Commentator

Join Date: Jan 2009
Posts: 62
Good Answers: 4
#3

Re: HV-Surge Arrester

01/27/2009 4:47 PM

Dear Guest,

There's no definite rule on that.

However, in my opinion, if it will be passing very near to equipments as it goes to the grounding grid, I would prefer an insulated wire/cable.

In our 138 kV 100 MVA power transformers, we have both sides of the counter insulated cables colored green.

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iochoa
Member

Join Date: Dec 2008
Posts: 7
#4
In reply to #3

Re: HV-Surge Arrester

01/27/2009 11:49 PM

Could you please send to me a photo of your system..?...

Thank a lot
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myn1996
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Join Date: Jan 2009
Posts: 62
Good Answers: 4
#5
In reply to #4

Re: HV-Surge Arrester

02/02/2009 5:20 AM

The green cables are 4/0 stranded copper wires connected on both sides of the surge counters.

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