Answer / thampuran

Actually RPM = 120f/p

Answer / niraj shukla

power is directly prposnel to current and current depends
on frequency

What is the formuala to calculate the rating of motor protection circuit breaker

0 Answers  

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i need previous entrence exam papers of nhpc.

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In dc motor starter there is less voltage required for holding contactor that's may why it is called no volt coil. but in ac starter why holding contactor is called no volt coil.

2 Answers   JSW,

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how to calculate the cable current ratingand and how much of distance the rating will be ok will the distance is incresed what the action we take

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why do we connect droop ct{in gensets}in y_phase only

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What is the impedence of Transformer?

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what is transformer

63 Answers   ABB, Advance Power Controls, CERC, Electrical, Electrical Supervisor Competency Certificate, ETA, IBM, Jindal,

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Why does the rotor rotate?

0 Answers   Elin, OPTCL,

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Why we get neutral from EB department, if not what will happen if we use earth instead of neutral? what is the result at the time of monsoon or rain with thunder and lighting ?

1 Answers  

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What is difference between Ac Voltmeter And Dc Voltmeter ????

2 Answers   KCP,

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