There is one 40MVA oil cooled transformer (yet to commission), filled with 95%

There is one 40MVA oil cooled transformer (yet to
commission), filled with 95% oil and we are trying to fill
5% Nytrogen in that transformer so that there should not be
any foreign component inside. But even though there is no
leakage, nytrogen is not withstanding inside transformer,
within a day or two pressure guage is showing 0. Why is it
soooo? Pls reply.

Question Posted / msomanache

1 Answers
2935 Views
I also Faced
E-Mail Answers

There is one 40MVA oil cooled transformer (yet to commission), filled with 95% oil and we are tryi..

Answer / k.prakashchandra

Tr is only waterproof (oil)

Is This Answer Correct ?

0 Yes

0 No

Post New Answer

More Electrical Engineering Interview Questions

What is the Different b\w Circuit Breaker & Isolater

11 Answers

What is the difference between grounding & earthing?

9 Answers

in transformers for ex. 100mva and 400kv the secondary current is about 420 amps but for selection of bushing the capacity of selected bushing is 2000A why there is such big difference ?

2 Answers ABB,

A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.

0 Answers Jindal,

what will happen if OLR CT in all phases are short circuted

0 Answers Indfrag Limited,

what is the ground fault relay,which purpose it will be use,clearly tell me plz

0 Answers

How the train speed control?

1 Answers Bhel,

If NO contact of relay gets supply from other sources or other part of circuit and at a time relay coil activates,then current will flow in which direction & will it cause to damage relay??

1 Answers

why to use freewheeling diode ( diode in revers bias mode) across dc coil

2 Answers

230v AC & 230V DC which is more dengerous for getting a clectric shock between this two voltage?

5 Answers

can v use earth as nutral. yes than y.if not y.

3 Answers

what is the MNA in case of d.c. machin? whaty is the importance of it? hoe it affect the brush position?

2 Answers TATA,

For more Electrical Engineering Interview Questions Click Here