what is the working of vfd drives.

2 Answers  

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Why the efficiency of a three-phase induction is the motor is less than that of a three-phase transformer?

0 Answers  

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Control cables in S's will carry 1000v which is AC R DC? Pls answer me 

0 Answers  

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diffrence between abcb and mocb

1 Answers   UltraTech,

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why power dissipation is due to low frequency?

1 Answers  

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please send me the previous year's question papers of jindal GET exams

0 Answers   Jindal,

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What is deference between MCB & MCCB & ISOLATOR

0 Answers   Prakash Industries, Standard Chartered,

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why capacitor is placed in fan

4 Answers  

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We have 90mX100m hangar with 16 no.of supporting pillar. It is required to provide power supply on all pillars. what is suggested earthing scheme for hangars.

0 Answers   HAL,

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hi can you give any body fault level calculation, generator fault level calculation,transformer fault level calculation for system fault level with equation? i have 3.3kv generation voltage three gas gen sets, one is 1.9MW,2nd is 2.5MW,& 3rd is 3.8MW & i have 11 kv generation voltage one gas gen sets is 3.8MW, we are step up to 22kv by transformer

3 Answers   Hindalco, Piramal Healthcare,

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Difference between ac parallel circuit and ac series circuit?

0 Answers  

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What is the difference between power cable and signal cable (only Observation Difference)?

1 Answers  

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