Answer / bishnu das

first function of the bushing is to connect the winding to
the line with an insulation sorrounding the transformer.and
one lightening arrester also present in the bushing to
protect the tranformer winding.

Answer / satheesh

bushing is to separate the winding( line ) form the earth (transformer ground) hence to avoid the short circuit.according to the field analysis the bushing are made otherwise it leads to breakdown due to electrical stress applied

We have 2 no. 4MW DG set. and GEB supply. But, we running, only 1 DG set. when we done APFC/Power factor setting : 0.90, then winding temp. Low. but when setting done : 0.83, then Winding temp. increase. WHY Why ? ? ?, plz give me answer.

4 Answers  

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From what on-site components does the HT panel monitoring the bus-bars in a 11kV system take inputs?

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what is the tolerance of electrical frequency for India? it's .5% or 1%?

8 Answers   Engro,

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The corona effect is more in a) summer b) winter c) dry weather d) humidity weather

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why transmiision rating in kva?

4 Answers  

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How much minimum insulation required between 11kv/3.3kv transformer windings?

0 Answers   Descon,

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what is excitation/

0 Answers   ABB, Tata Steel Limited,

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why use generator Earthing/Graunding.

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What is the role of a Production Engg in a Industry?????

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What is Primary And Secondary Injection Test of Relay and Other Electrical Devices. How IT is carried out.

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