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How many earthings are provided for a 250KVA distribution
transformer?
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Answer / vilas
As per rules four earthings are required.
two for neutral. star point
Two for the transformer tank i.e.body of the transformer.
| Is This Answer Correct ? | 12 Yes | 1 No |
Answer / ars326
1.Transformer tank
2.Neutral
3.lightning arrestor
| Is This Answer Correct ? | 9 Yes | 3 No |
Answer / deadzg_devil
Mainly two types of earthing are provided:
1)System Earthing:The neutral is connected to ground so that in case of imbalance the zero impedance current may pass thru the ground.
2)Equipment Earthing:This is provided to safeguard the outter body of transformer in case any fault occurs or any live wire touches the ground , it can redirect the current to ground.
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / ram
minimum 3 earthing. 1- neutral earthing, 2- body earthing &
3 - common neutral body
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / ullas
mainly two earthing.
1. neutral earthing.
2. transformer body earthing
| Is This Answer Correct ? | 3 Yes | 4 No |
Answer / sumudu
Two earth banks for neautral; Common earth for Transformer
body & Lighting Arrestor.
| Is This Answer Correct ? | 0 Yes | 1 No |
Answer / k.prakashchandra
Answer No. 1 is correct.For neutral, two distinct connections
| Is This Answer Correct ? | 0 Yes | 1 No |
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