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anwar15
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Join Date: Oct 2012
Posts: 5

High Impedance Fault

10/27/2012 2:56 AM

It is noted that in some area like desert the earth resistance values are very high which causes non tripping of 11kv during earth faults.

Is broaken wire protection success to avoid high impedance fault for 11kv distribution fault?Can any one to suggest a suitable relay to tackle such issues?.
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Joshi
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Join Date: Oct 2007
Location: India
Posts: 1272
Good Answers: 33
#1

Re: High impedance fault

10/27/2012 8:05 AM

I do not know the answer myself. Your question, prompted me to follow:

2. Cross Country Earth Faults

REVIEW OF GROUND FAULT PROTECTION METHODS ... - CiteSeer
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Joshi
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Location: India
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#2

Re: High Impedance Fault

10/28/2012 12:52 AM
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anwar15
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Join Date: Oct 2012
Posts: 5
#3
In reply to #2

Re: High Impedance Fault

10/28/2012 4:26 AM

Thank You...

I will go through the articles...I Hope it will be very useful information in this regard...
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Andy Germany
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Location: Near Frankfurt am Main, Germany. 50.390866N, 8.884827E
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#4

Re: High Impedance Fault

10/28/2012 9:50 AM

Surely the only fix is a better ground?

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