how we can improve P.F. by using capacitors ?

22 Answers  

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How the size of electic machine vary with the sped? Between slow and fast running machines of equal ratings, which one is more economical to design?

1 Answers  

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If the ceiling fan is on slow speed, does it consume less electricity?

2 Answers  

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During the troubleshooting of an inoperative shunt generator, you found the voltage to be 2+ volts; what is known from this. Is it (1). odds are the armature is good (2). odds are there is no field current flowing in field windings (3). odds are the armature is bad (4). both 1 & 2 are correct (5). both 2 & 3 are correct

2 Answers   Air Force,

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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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After taking shutdown of 11kv feeder, if you see 5kv by phasing stick in the cable side, is it possible to close earth switch in cable.

0 Answers   KSEB, L&T, Siemens,

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What is phenomenon of electromagnetic induction and how it works?

0 Answers  

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what is relation betn. KW & KV?

10 Answers  

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what will happen if OLR CT in all phases are short circuted

0 Answers   Indfrag Limited,

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what is differnce between grounding and earthing or both are same?

3 Answers  

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Define phase cross over?

0 Answers  

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explain with diagram how to protect transformers and substations from over current with help of CT's?

0 Answers   BARC,

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