can u please tell me how VFD(variable frequency) drive is used as a energy saver....?

12 Answers   Essar, Oracle,

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hopkinson's test

5 Answers   Bhel, NTPC,

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What is the basic principle of welding process?

0 Answers  

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differentiate between remote backup relay and local backup relay?

1 Answers  

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A rotor of an induction machine is delta connected. Now is there any necessacity to short the slip rings?

8 Answers   TCS,

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How to identify phases in the transformer like motor and AC generator but one condition without phase indication like(RYB,UVW)?

1 Answers  

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what is the full form of KVAR

6 Answers  

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What happens when generator is running with leading power factor on it say -0.96. what are the effects of it on alternator and the other generators operating in parallel to it.

2 Answers  

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can v rotate single phase induction motor in both the direction...?

1 Answers  

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What is the Minimum winding resistance of motors ( small & big)? referance range

0 Answers   TATA,

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Determine the MVA rating of the power transformer given that 110/66 kV,1000 Amps. Folks how can i calculate the MVA rating with this Data??Plz Help........

1 Answers  

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300m long and 30kw inductive loade 3phase supply how many size cable required

0 Answers  

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