How many earthings are provided for a 250KVA distribution transformer?

Categories >> Engineering >> Electrical Engineering
Suggest New Category

How many earthings are provided for a 250KVA distribution
transformer?

Question Posted / ars326

9 Answers
18167 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

How many earthings are provided for a 250KVA distribution transformer?..

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

How many earthings are provided for a 250KVA distribution transformer?..

Answer / ars326

1.Transformer tank
2.Neutral
3.lightning arrestor

Is This Answer Correct ?

9 Yes

3 No

How many earthings are provided for a 250KVA distribution transformer?..

Answer / srinivas.v

Two nutralearthsandtwo
bodyearths.

Is This Answer Correct ?

1 Yes

0 No

How many earthings are provided for a 250KVA distribution transformer?..

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

How many earthings are provided for a 250KVA distribution transformer?..

Answer / virendra

Total 4 earthing 2 Nos for Body earthing & 2 for Neutral
earthing & also interconnect both the body earthing to each
other & same as in neutral earthing.

Is This Answer Correct ?

3 Yes

3 No

How many earthings are provided for a 250KVA distribution transformer?..

Answer / ram

minimum 3 earthing. 1- neutral earthing, 2- body earthing &
3 - common neutral body

Is This Answer Correct ?

0 Yes

0 No

How many earthings are provided for a 250KVA distribution transformer?..

Answer / ullas

mainly two earthing.
1. neutral earthing.
2. transformer body earthing

Is This Answer Correct ?

3 Yes

4 No

How many earthings are provided for a 250KVA distribution transformer?..

Answer / sumudu

Two earth banks for neautral; Common earth for Transformer
body & Lighting Arrestor.

Is This Answer Correct ?

0 Yes

1 No

How many earthings are provided for a 250KVA distribution transformer?..

Answer / k.prakashchandra

Answer No. 1 is correct.For neutral, two distinct connections

Is This Answer Correct ?

0 Yes

1 No

Post New Answer

More Electrical Engineering Interview Questions

WHY THREE PHESE SYSTEM VOLTAGE APPLIED IN 440 VOLT

0 Answers Infotech, InTech,

Why earthing is necessary for any equipment?

0 Answers

why motor burns ?

5 Answers

1.difference between sts & ats? 2.what is fm200 system brefly explain?

1 Answers Ericsson,

hi friends how 3 phase converter functioning ?what is working principle of rotory phase converter ?

0 Answers

limitation of conductor height on ground when we consider EMC

0 Answers

What is the Frequency while we step up the voltage from 220V to 11KV? Is it possible? Explain it?

6 Answers

now a shunt motor is practically a constant speed motor , then how does it meet the increase or decrease in the load ?

1 Answers

Which one is easy to control AC or DC Machine?

2 Answers BARC,

Re: how to calculate diesel consumption of a D.G.Set? Answer # 1 We can not calculate the diesel comsumption...depending upon load it will conume the diesel...suppose the 1500kva D.G is running and the load is 1000kw means it will consume 150-200 liters per hour....

6 Answers Cipla,

What do you mean by turns ratio of instrument transformer?

0 Answers

what are the difference between protection class CT and Class PS CT

13 Answers

For more Electrical Engineering Interview Questions Click Here