How to size a transformer which will supply power to 550kW,690V motor starting with VFD?

1 Answers  

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what is phase angle and how its generate moreever how we measure the phasse angle?

1 Answers  

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which one is more costly:single phase induction motor or 3 phase induction motor??give proper reasons..

1 Answers  

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in india are trains run by DC or AC? if DC , from where it receives negative potential? because pentograph receives singe potential only?

2 Answers   GATE, PSU,

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if u have single phase load (un balance) and the main power cable is 3.5core means netural is .5 of phase and can the three phase current make the return paht in .5 neutral.

1 Answers  

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What is the Power Plant.

5 Answers   Sail,

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in 132 kv substation ligtning arrestor(120 kv) connected to line. but line voltage comes to 132 kv, it operate or not???

4 Answers   Divis Laboratories,

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wht is embedded systems? what is new inthis field?

0 Answers  

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how can I improve the current at same voltage? if yes is there any circuits?

2 Answers  

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What do you mean by nominal ratio of instrument transformer?

1 Answers  

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Why colled 440V to 3-phase supply.

0 Answers  

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why we are using DC supply in megger?

3 Answers   TATA,

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