why do power factor in the three phase induction motor increases with the load ???.

3 Answers   Jindal,

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why in large rating C.T.s equipotential wires are used?

2 Answers   Essar,

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What are the main parts of VCB?

12 Answers  

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How many types of isolator is available for H.T.lines? which one is best for sub-station?

4 Answers  

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A LT ckt i mean 440 volt flow of current100A.at this time HT current what will ON 11 KV &33 KV.plz givemy answer with example

2 Answers   Neptune,

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WHY WE ARE EXPRESSING KW-HR AS UNIT OF ELECTRICITY.........?WE CAN EXPRESS IN ANOTHER UNIT.....?

4 Answers   Summit Power,

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what is the power factor of the megnetising component of transformer

1 Answers   Allied Group,

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we have 3 phase 4 wire supply 230/415 V.AC and our distribution is single phase or we have all single phase 220 v,ac operated appliances. and noted the current with help of clamp meter Red to N = 20 Amps. Yellow to N = 45Amps and Blue to N = 30 Amps ( total is 95 Amps ) what will be neutral current on the main .

1 Answers   ABC,

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What is mean CT Saturation? How to calculate?

3 Answers   NetGroup, Tyco,

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if you short the any 2phase(R,Y,B),why fuse get blown?

5 Answers   Steel Plant,

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What the capacitor Current formula?, For 1 KVAr how amps its required? for using the KVAr for boosting the PF Design Calculation.( Eg: for 30 KVAr required how many KW?)

17 Answers   Alstom, Call Centre, EDC, HCL, Procon Engineers,

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how you connect the induction motor first in star and then delta in star-delta starter

1 Answers  

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