How to do the meggering for a cable.
Answers were Sorted based on User's Feedback
Answer / virendra joshi
Open the cable from both the end connect the Armour to
earth do the magger of RY, YB, BR respectively Then again
all three phases with respectively, the infinite is
preferable But if is near to zero then it is a matter of
worry.
Is This Answer Correct ? | 13 Yes | 0 No |
Answer / johnmathews
Between cable(r,y,b,n)and earth(Armour of the cable).
Between cables(R to y and b)Same to other cables
Is This Answer Correct ? | 12 Yes | 4 No |
Answer / raihan
In additional to this we can do for RN,YN,BN and NE, if
insulation resistance is 1000Mohms or infinity it is ok
Is This Answer Correct ? | 6 Yes | 0 No |
Answer / gunasekaran
Armour of the cable should be connected to earth if u want
take megger for R phase another 2phase are short and earthed
like wise. in this type of testing we can get exact leakage
current of the cable.b/w two phase R Y, R B,YB,YR and BR,BY
Is This Answer Correct ? | 3 Yes | 6 No |
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