How can we measure the frequency of a rotor running in full load condition? Explain the method of measuring.

2 Answers   Wipro,

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Why we are mostly using a single 3-phase transformer instead of three 1-phase transformers?

7 Answers  

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What are the various types of LT panels? Name them.

3 Answers   Tyco,

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What is the two pole structure?

0 Answers   Foxconn,

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in small capacitor we use uf( micro farad) and in big quantity we used kvar. i want to know that in 1 kva how much will b uf(micru farad).

2 Answers  

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What is AMP and KA in a MCCB and MCB

2 Answers  

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ro plant grundfos bm30type pump.we start the pump using siemens 3rw 4423-1bc44, 30kw soft starter. bur its failier frequently. so we planed to change the dol starter. sp please tell me any budy its possible or not翿შ†

1 Answers  

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how we can calculate which capacity capacitor bank we have to add for improve pf?

3 Answers   Consultancy, JM Huber, Torrent Power,

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how the transformer stables out zone faults? Because we use non directional O/C relays .Is there any special considerations are taking into account to overtake this?

1 Answers  

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In PFI plant one stage capacitor connection is directly connected(with out megnetic contact controll). but why?

0 Answers   Aegis,

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what ever the ups kva it may 500 kva or 500 va always out put is AC 240 volts its right?

3 Answers  

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hello! can anyone explain to me how a 3 speeds table fan work? what are the factors that are controlling the speed of a normal table fan? Is it by varying the voltage or changing the magnetic field? would appreciate your reply :) thx in advance.

2 Answers  

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