Answer / k.prakashchandra

While opening ,its auxiliary switches 1.open the trip circuit 2. make the closing circuit active 3. make the ' auto trip indicating lamp' on.

Answer / sagar

C

capacitor is load free component but why ampare meter shows current when capacitor bank breaker close?

5 Answers   Bhel, OPS,

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What is the function of the serge absorber?

5 Answers  

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What the full form of KVARs

2 Answers   Siyaram,

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How to measure corona loss in a transmission line?(Plz ans only if u know the exact answer)

3 Answers  

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The rotor current is directly proportional to slip. How?

3 Answers  

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why we use 110vac in overhead crains? why not 220v, 24v

3 Answers   SOFT,

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if the voltage across the lamp drops by 1%, the power drawn will be reduced by how many %?

5 Answers   PSPCL,

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what is buscoupler adopter panel????

5 Answers  

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Why ct secondary is not kept open while primary charged. Answer in terms of ct parameters.

4 Answers   Power Grid,

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What will happen to the protection and metering, if the polarity of a single or two PT/PTs in three phase system is reversed? Please provide reference if any.

0 Answers   Mind Tree,

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When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?

15 Answers   Bhel, Sail, Sterling Telecom, TCS,

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Give me the calculation steps to design an electromagnet to be work in 230V 50 Hz AC Supply. Also give force that is created by that electromagnet when it gets energized.

0 Answers   GE,

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