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
17830 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

how manyunits consumed by 25 kvar capacitor bank

2 Answers MRF, Suzuki,

concept of busbar and load dispatching..?

0 Answers

HAI SENT HPCL APTITUDE QUESTION PAPER, MY EMAIL ID IS angus_eee04@rediffmail.com,angus_eee04@yahoo.com

0 Answers

Any body can help me in getting LT panel test procedure.

0 Answers TATA,

what is the capacitance of a single conductor

6 Answers Bhel,

Why current transformers are rated in BURDEN instead of VA?

4 Answers Bhel,

how the works electronic energy meter?

0 Answers Bhel,

what is purpose of using reactor in substations.

20 Answers Heavy Engineering Corporation Ltd HECL,

I have 30KW Motor Starter Panel, System voltage is 480V, So i have to convert voltage 480 to 220V to give the contactor coil. How i can select control transformer, Which rating transformer i can use this panel, what is the procedure, please tell me.

2 Answers

what is main advantage if motor connected in star or delta?

3 Answers Essar,

What is the GI Earth Flat Size recomended for 33KV 2000KVA Distribution Transformer

1 Answers

Explain the working principle of Vacuum circuit breaker and Air circuit breaker

10 Answers HP, Trinidad and Tobago Electricity Commission T TEC,

For more Electrical Engineering Interview Questions Click Here