Answer / prasanna kumar

motor running with star-delta starter or DOL will show full
load of the motor unless the motor drawing high currents due
to faults.while coming to the vfd motor may run at high
speed or low speed acc to the requirement.when it was
running with high speed it will draw more current.

how u calculate ups battery backup

2 Answers  

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could an induction motor be used for regenerative braking in electric-train control? in this type of application would some scheme have to be devised to obtain low synchronous speeds while braking? would induction-motor drive, therefore, be suitable for passenger service?

0 Answers  

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Construction of ac motor?

1 Answers  

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the distance from my office to d.g is aprox 400mtrs and voltage drops ibn my office near about 40 volt what should i do p[ls suggest.

4 Answers  

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In Power cable specification what is U0/U and Um.

0 Answers  

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Why battery is always operate on dc supply?

1 Answers   Vikram Ispat Industries,

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The Q-facr o of a coil given as wL/R. what will be shape of Q versus frequency graph.

0 Answers   GATE,

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what is pmg and its use

2 Answers  

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why ht cable end termination don't have a gland?

0 Answers   Private,

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what is auto transformer?

4 Answers  

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Can i get some examples of mechanical devices?

1 Answers  

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If we touch the Capacitor terminals you feel shock after the capacitor was put in operation and not in case of inductor though both are energy storage elements.why?

4 Answers   HAL,

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