Does dry and oil transformers both require dedicated neutral, because in my proj

Does dry and oil transformers both require dedicated neutral, because in my project we are using 2500kv dry star delta transformer, where they say neutral not required and even it is not provided in our substation. can u let me know

Question Posted / sanjay

2 Answers
3223 Views
Voltas, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

Does dry and oil transformers both require dedicated neutral, because in my project we are using 250..

Answer / k

Yes,seperate earthing requird for dry & oilfilled transformers because Earthing is a return path & also it is used for protections (51N,IDMT etc).

Is This Answer Correct ?

3 Yes

0 No

Does dry and oil transformers both require dedicated neutral, because in my project we are using 250..

Answer / mohitsaran

Yes, We need 02 Nos. Neutral Earthing for Both DG and Transformer Sets.
Neutral Earthing are required to balanced the unbalanced current due to load variations.

Is This Answer Correct ?

2 Yes

0 No

Post New Answer

More Electrical Engineering Interview Questions

How to calculate the sag of OPGW during stringing???

0 Answers

what is the differance between normal bybass & maintenance bybass in UPS?

1 Answers

how to select overload-relay for perticular motor 1.for D.O.L. starter 2. for Star-delta starter ????

0 Answers Vatika,

How calculated single phase induction motor req. Capacitor?

0 Answers

typically in power distribution substation. 1- Any idea how would be the graph of capacitor bank consumption verses time through the day . 2- How is the switching ( on and off ) of the capacitor bank, per need?

0 Answers Siemens,

where we sense the fault from the transmission lines?any operation example for distance relay?rear panel connection for this relay?

1 Answers

what is transformer

63 Answers ABB, Advance Power Controls, CERC, Electrical, Electrical Supervisor Competency Certificate, ETA, IBM, Jindal,

why we are using large cross section cable at load side and small at other (11kv to trsfr)side of transformer? when the load increses current at both side increases,right?

2 Answers

EARTH AND NEUTRAL ARE JOINTED OR NOT?

7 Answers

how DC is differ from AC ? what are the difference between them ?exept (P-N)&(+__-)

2 Answers

Importance of fault current in power transformers and how to monitor the same? How is it different from winding temperature?

0 Answers Impulse,

what is transformar load balancing ?

2 Answers L&T,

For more Electrical Engineering Interview Questions Click Here