Answer / george

oil emersed xformer- uses oil for cooling system

dry type xformer uses only his housing for cooling system.
we call it heat sink

Answer / raza

In Oil transformer, Mineral Oil is used for insulation and
cooling pupose but in dry type transformer, no any kind of
oil is used. In dry type transformer, other methods of
cooling are used i.e. air cold, water cold etc. and for
insulation purpose air, vaccume etc. are used.

we touch other end of the tester supply, why do not get shock?

7 Answers   L&T,

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3 Answers  

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What is differential relay? How it operates?

1 Answers  

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In Energy meter How many rotation Equal to one unit.

3 Answers  

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why motor range is available 22kv,30kv,37kv,45kv and so on? why motor range is not available 21kv,24,25,26,27kv and so on?

0 Answers   Government, PSU,

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What is meant by full pitched winding?

0 Answers  

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Why do we twist copper to make cable?

3 Answers   Bhel, Integrated, MR Cables,

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0 Answers  

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3 Answers  

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Calculation for the adequacy of 380 KVA neutral earth flat size

1 Answers   Electrical,

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what is form factor

2 Answers  

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