Answer / debananda lal

nothing will happened while VCB is closed, when any open/trip signals arise, Intrupter of VCB may explode.

how to work droop ct in generating station

1 Answers  

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Does power factor vary with speed?If yes, how?If not, why?

4 Answers   Genco,

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Consider a case that two 200 hp motors are connected to 500KVA transformer. For improving power factor can we add capacitors in common bus bars to motors. Or should we add capacitors for each individual motor?

2 Answers  

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What is the differance between Digital Energy meter & Static energy meter? why the KWH diferance between both meters.

3 Answers   Raychem RPG,

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What sort of protection scheme do you suggest for the protection of a 10 HP motor?

1 Answers   Chevron,

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What is meant by a stray loss of a induction motor??? What is the equation to find it

1 Answers  

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what is the advantage and disadvantage of billing in kwh and kvah by electricity board .

6 Answers   Nespak, NTPC,

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What is the difference between relays and contactor construction wise?

1 Answers  

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what is formula for zero phase sequence of nuetal earthing transformer of 6.6 kv

1 Answers  

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For fixed primary voltage how does secondary terminal voltage of a transformer change if the pf of inductive load is raised from 0.7 to 0.9 with load current remaining fixed ?

1 Answers   GATE,

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why CFL lamp requires less electricity than a normal lamp?/

3 Answers  

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what is the static device rather than xmer which work on same principle as xmer?

18 Answers   NTPC, Power Grid,

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