Answer / sumit kumar

We know that with emf motor will not run
In case of motor the emf induced is known as back em

what are the different type of transformers available in markets???

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how to calculate the change over time for star delta starter for different KW motor?

0 Answers  

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sir& friends i want the collection of recent quetions asked in interview of top most companies please send me on my email san.jsr@hotmail.com

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Is it recommended to apply H.pot test for new cables segments after terminations or joints, however, this cable has been tested before at the manufactor by the vendor ? or only we can apply megger tests ?

1 Answers   Centroid,

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what happen if the supply is given to the stator of the 3phase induction motor with out assembling the rotor ?

0 Answers  

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Is there a diode made that works with AC 120 volt 20 amp? If so can it completely stop all current flow in 1 direction at all times?

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What is negative sequence over voltage element?

0 Answers   Green T&D,

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use of choke in APFC panels

2 Answers   Kemrock,

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what is the difference between neutral and earth????

4 Answers  

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Ratings of power transformer,Distribution transformer.

0 Answers  

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FEINGING DECREASES THE FLUX DENSITY IN THE AIR GAP. HOW?

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what is power transformer?

1 Answers  

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