Answer / roy

Oil is used to cool the transformer, much like a radiator in a car.

Answer / vinod

there r 2 types use in cooling purpose...
oil cooling & air cooling...
oil filled means there is a tank with filled oil 2 cool the
transformer....

Answer / ramendra shukla

Oil filled Transformer- Oil is a medium of insulation as
well as heat rediation for oil filled X-mer.
Commonly there are four types of cooling has been prefere
for Transformers like- Oil ,Air,water & Collant as medium.
As we know that X-mer is a device which can change the
voltage (Up & Down) without changing its frequency.
As per application they are classified as-
a)Power X-Mers
b)Distribution X-Mers
The X-mer are used for more than 33 KV are know as Power X-
Mer normally used at generating stations & substations
Distribution x-mer- Below 33KV normally used for Domestic,
&commercial &Industrial application at consumer end.

why CT ratio stand for 50/5, 100/5, 25/5.

11 Answers   ABB, Ramky,

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what current is taken from a double wound 500kva transformer

4 Answers  

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why we can use 1 to 5V dc

0 Answers  

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Compare jfet’s and mosfet’s.

0 Answers  

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Pls explain about full theory of salient pole generator?

1 Answers   Kirloskar,

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what you have to see after one week or month from the day of installation of transformer ?

0 Answers  

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IN TWO WATTMETER METHOD WE GOT W1,W2,WE KNOW V.HOW TO FIND Q????????????

7 Answers   APTransco,

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how we can calculate 2 phase welding transformer rating or total power?

0 Answers  

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what is synchronizing panel & its working.

3 Answers  

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1.what is the reason for transformer and lightning arrester blast in 33kv system

0 Answers   ABB,

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hopkinson's test

5 Answers   Bhel, NTPC,

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If the rotor pf of a 3 phase induction motor is .866, then what is the phase displacement between stator and rotor magnetic field 1)30,2)120,3)150,4)90 please justify....

2 Answers   GATE,

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