what is the difference between old fan regulator and new fan regulator

1 Answers  

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why Induction Generators are not "Black start" ? and apart from WTGs where this types of generator are generally used?

0 Answers  

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why a fan starts rotating in the reverse direction when condenser gets damaged?

1 Answers  

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how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?

0 Answers  

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Suppose the incoming power is 11 kw, but the load require only 8 kw means how can we save or use the excess power?

3 Answers  

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why 3phase is 440v but where as we get phase voltage 220v,we have to get 220*3=660v.can u pleas give in detailed

3 Answers   Avantha Group,

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What value(high/low) of diversity factor is desired in power system and why? How such value is achieved?

1 Answers  

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what is the most probable reason of failure of current transformer?

2 Answers   L&T,

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what is cut out fuse?

1 Answers  

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what is skin effect?

6 Answers   MPSEB,

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what is the procedure to carry out BDV test of a transformer ?

3 Answers   BirlaSoft,

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what is main difference between live tank and dead tank current transformer?

2 Answers   Atul,

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