Answer / aparnabhi

Yes. Find out the temperature coefficient of the rotor
material. Then, determine the resistance at 2 different
temperatures. The sum of the difference in temperature with
the old temperature gives the new temperature

what will happen if secondary of potential transformer (220kv/110volt) of any metering core or protection core (cables) of any phase got earthed??

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Can we connect more than one NGR at a time of different rating of generators. what is advantage or disadvantage.

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what will happen when reverse reactive power occurs in alternators?

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In a tap changing transformer where is the tap connected, is it connected in the primary side or secondary side?

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what is main advantage if motor connected in star or delta?

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why use phase displacement in transformer.and effect of phase displacement on transformer

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What is a unit of gravity (Battery)

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Why infinite busbar has zero resistance and high mechanical inertia?

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how the grounding[earting] is achieved on ships.

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formula for cable size calculation for current?

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Why is the uniform distribution of the capacitor discs in a suspension type insulators essential , what can u do to improve the string efficiency ?

1 Answers  

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