why we create vaccume in transformer tank before oil filteration?

3 Answers   CG CoreEL,

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why r we using vaccuum circuit breakers in the place of m.o.c.b.

1 Answers  

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what is resticted earth fault protection ? how did it protect & work in power transformer

3 Answers  

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when the time of backcharging the transformer three phases only enough or three phase with neutral is must.from these which one is the best one.

0 Answers  

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how a circuit breakers work at fault condition .plz give a specified answer.

1 Answers   Regen Powertech,

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Which thing is maximum in RLC circuit at resonance a)power consumption b)inductive current c)capacitive voltage

0 Answers  

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if i conncet ct with ct ratio of 600/5 to an energy meter having ct ratio of 100/5, the reading show by the meter will correct, if wrong is there any method to calculate correct value with shown value, if yes please state it.....

2 Answers  

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specific gravity of a battery?

6 Answers  

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difrent between vcb acb sf6 and mccb breakers

1 Answers   DMRC,

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Is there is any hazard to insulation of 3hp motor 5 KV megger is used for it?

1 Answers  

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Sir, I need a power supply at 380V. The supply I get in three phase is rated 415V. The total supply I have from the supply company is 70KW. Kindly inform if it is better to use a voltage stabiliser for this purpose or a transformer

3 Answers  

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Whis machine is having higher efficiency Transformer or Generator

2 Answers  

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