Fault Detection in Underground Cables

If there are three underground cables if a fault takes place in one of them, How will you detect it?

rahul babu
Profile Answers by rahul babu Questions by rahul babu
May 26th, 2010
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dhands
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Jun 6th, 2010

1. Check phase to pase insulation resistance value and phase to earth insulation resistance value.

pradipsabar2009
Profile Answers by pradipsabar2009

Jul 28th, 2010

Measure the resistance of each cable between farther ends, if there is a considerable variation in any one of the cable, that is the faulty one. This method is also used in industries called as "Insulation Resistance Test".