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naanee09
Active Contributor

Join Date: May 2012
Posts: 14

Substation earthing

09/21/2012 3:09 AM

Dear all.
iam having a doubt regarding fencing in substation area.
1. What is the minimum distance between the equipment and fencing?
2. What is the minimum distance between the fencing and the outside road in case fencing is just near by the main road.??
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Joshi
Guru

Join Date: Oct 2007
Location: India
Posts: 1246
Good Answers: 34
#1

Re: Substation earthing

09/21/2012 3:11 AM

It will be as per your local code.
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North of 60
Guru
Canada - Member - If there is a way to screw someting up, there is someone to do so! Safety - Hazmat - New Member

Join Date: Mar 2007
Location: Iqaluit, NU. Canada
Posts: 1854
Good Answers: 140
#2

Re: Substation earthing

09/21/2012 9:16 AM

As mentioned by Joshi... check your codes for your region.

For fencing...

The minimum distance is going to depend upon the voltage level in use in the station.

Table 33 of the Canadian Electrical Code calls for a minimum of 3m of horizontal clearence for a station of up to 46kV and 3.7m for a station over 46kV and up to 69kV.

For anything over 69kV, take a look at CAN/CSA-C22.3 No. 1 for further direction.

As to the road issue... no idea.

But... none of this means anything relative to your local codes. Check them!

__________________
 Joe Contractor to Electrical Inspector, "What do you mean you are going to make me follow the code?".
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arifkunnath
Commentator

Join Date: Oct 2011
Posts: 95
#3

Re: Substation earthing

09/22/2012 5:43 AM

Type of installation of equipment used in the substation is also factor.
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arifkunnath (1); Joshi (1); North of 60 (1)

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