as per standards how many neutral earthings and body
earthings are needed.please help me
Answers were Sorted based on User's Feedback
Answer / purushmallya
As per ES&D and Grid code for distribution transformer 3
earthings are mandatory one for neutral one for LA and one
for matallic parts like GOS
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / prashant
2NOS OF BODY EARTHINGS AND 1 NO OF NEUTRAL EARTHING
FURTHER MORE THE BODY EARTHS CAN BE INTERLINKED WHILE THE
NEUTARL HAS TO BE SEPARATE
| Is This Answer Correct ? | 0 Yes | 2 No |
in our 6.6kv motor feeder[it is having two sources from Bus A&B] earth fault relay is acting, we checked CBCT connection and cable meggerd values found very good still earth fault acting during first two are three start after that it will hold. please clarify what was the reason. if same motor is starting from other Bus-A it will start.
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