how does a submersible pump work..?

0 Answers  

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I need to compare the energy consumption of an industrial machine before and after improving. Shall I compare the apparent power or the active power? I know usually factories use compensated capacitors (or other similar components) to compensate the reactive power, so if I use the apparent power, it's not the real power consumed.

2 Answers  

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How to conduct a Hipot test on a 11KV cable?

2 Answers  

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From, which load current range ( upper - lower limit current)can Air circuit breaker used for in electrical circuit.

4 Answers   ABC,

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What is resonant peak?

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What is meant by sag?

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What do you mean by turns ratio of instrument transformer?

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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 rotor frequency at maximum torque point is A 3.33% B 4.44% C 5.55% D 6.66%

1 Answers  

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Pls explain about vfd control?Where it is used, Give some example?

3 Answers   Siemens,

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I need the proper answer on :- What is the Earthing Value as per the standard for Raw power and UPS Pit and in panel /DB N-E value ???

2 Answers  

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Explain RYB?

21 Answers  

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could any one explain me what power factor and where it is use ful

3 Answers  

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