why the autotransformer burnt while stating the pumpmotor?, In starter and motor there was no abnormality.

4 Answers  

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What is gain margin?

0 Answers  

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show that power dissipated by a pure inductor exited by a sinusoidal voltage source v = vm sin wt is zero

1 Answers  

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what are the protections used in power transformers of 5 mva and above

2 Answers   ESRI,

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What is Bolted fault?

0 Answers  

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With a phasor diagram show the effect of increasing the field current of a generator supplying a constant real power and connected to a grid system.

0 Answers   VECL,

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what is mean by PIR in circuitbreaker and give me detail of that?

0 Answers  

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Can we connect two or more energy meters/Amp meters on one CT set(Three phase).

5 Answers   Parle, Watermark Engineering,

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Can anyone explain, How will get positive to ground and negative to ground reference voltage in dc system

1 Answers   NCC,

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which is more dangerous A.c or D.C?

26 Answers  

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what is the advantages of Lighting transformer?.. is it possible to reduce the power consumption ?.

6 Answers   Lucas TVS,

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what dose the arrow indicate in the symbol of power transformer?

1 Answers  

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