What is mean by Power factor

5 Answers   Fenner,

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why do we use UPF watt meter in short circuit test of the transformer and LPF watt meter in open circuit test of the transformer

2 Answers   Bell, TCS,

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what is skin effect and corona discharge ?

4 Answers   Asian Paints,

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How Many safety of Air circuit breaker

2 Answers  

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What kind of maintenance is conducted for Transformer

0 Answers   Gulf, UB Engineering,

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Why carbon brushes are used in motors?

6 Answers   BARC,

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why HT motors are earthed only at equipment side & for it's single core cable with aluminium wire armoure using?

1 Answers   Legrand, NLC Neyveli Lignite Corporation Limited,

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Why the transformers are rated in KVA. ? in new view.

2 Answers  

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how to select battery for 15 KVA UPS with formula

0 Answers  

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An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The slip when motor stalls is A 1 B 0 C 13.33% D 10.33%

0 Answers  

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what is the reason for earthing static equipments? why?

3 Answers  

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can any one tell me the formula to select the thickness of wire selection according to ampere rating

2 Answers  

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