how much resistence in proper earthing?
Answers were Sorted based on User's Feedback
Answer / sureshbabu
for the grid connected system the earthing value must be
below the limit of 1 ohm
for the individual connected system the earthing value must
be less than 5 ohms
this is the IEC standard for earthing and bonding
Is This Answer Correct ? | 21 Yes | 1 No |
Answer / k.prakashchandra
In case of stations ,the maximum recommended values are
33KV-5 ohm, 66 KV -2, 110 to 400- 1.0 and generating station
-0.5.
Is This Answer Correct ? | 2 Yes | 1 No |
Answer / mohan babu bommu
there is no hard and fast rule in large sub stations 1ohm small substatioms 2ohms ither places up 6ohms permissable
Is This Answer Correct ? | 0 Yes | 0 No |
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