although ckt breakers have taken the place of old fuse. But instead of it , these older ones are still used in the industries and homes ? why .... what are their advantages and disadvantages ? which one is leading and winning the race and competition ?

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what is difference between vaccum circuit breaker and air circuit breaker?

2 Answers  

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How big (size) can the tertiary winding be in transformer? Can we load the tertiary winding, if yes then how much we can load it?

1 Answers  

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If the earth is a good conductor of electricity, why don't people get shocked every time they walking on earth?

0 Answers   Reliance,

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Which type of Oil is used in transformers, & what is its strength?

1 Answers  

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Stator of three phase induction motor creates Rotating Magnetic field.But why not Transformer?

21 Answers  

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Explain forward resistance, static resistance and dynamic resistance of a pn junction diode.

0 Answers  

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how the aircraft outer body and inner body is separated ?

0 Answers  

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is earthing is necessary if we use armoured cable

1 Answers   ABB, Schwing Stetter, Siemens,

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How does frequency affect KVA rating of a transformer? If a 500 kva, 500 to 250 v, 60 hz t/f used in Canada is to be operated on 50 hz in Europe frequency then how will its KVA rating change? a-increase b-decrease c-remains same

1 Answers  

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explain the existence of reactive power in electrical engg?when it generates?

1 Answers  

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We have 250 KVAR cacitor bank & our average load is 200kva but our power factor is average 0.66 how can we maintane it? how can we balance our load?

4 Answers  

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