why HT line voltage is multiple of 11.eg11kva,33kva,132kva

2 Answers   HP,

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how to identify small motor and generator?

1 Answers  

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how to calculate the surge level of surge suppressors related to the SF6 cicuit breakers?

0 Answers   Crompton Greaves,

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Why used in layer by layer charcoal and salt used in earth pits.

11 Answers   CESC, HP,

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What is the difference between ohmic resistance and effective resistance?

2 Answers  

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What happend if we connect star point to ground of a star connected motor? And what will be effect on system and effeciency of motor?

1 Answers  

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distribution is maximum done by a)radial b)network c) parallel d)b & c

0 Answers  

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How can a transformer test by megger?

1 Answers   Bosch,

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what is motor capacity of 80TR chiller? and also say what is the formula related temperature, motor capacity, TR?

0 Answers   Apotex, Periyar Chemicals,

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IF we have 500kva transformer 11.0/0.415V, 50Hz. How to calculate the current on HT & LT side, how can we consider for its breaker (HT & LT both)? You are requested to solve the question herewith.

3 Answers   Bhutan Power Corporation,

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In a 3 phase,400v,4 wire system, 2 incandescent lamps, one having 230v,100w and the other 230v,200w are connected between r phase- neutral and y phase-neutral respectively. If neutral wire breaks which lamp will fuse first and why?

3 Answers   Eskom, SSC,

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how to calculate the power factor when instantaneous voltage and current has harmonics in it ?

0 Answers   Sandhar,

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