Answer / sheikh

what do you means star delta connection . power circuit or
Control circuit or both.

ohms law is applicable for dc or ac current or for both??? explain it berifly??

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function of apfc pannel

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how hazordious area is classified at an oil & gas plant and categorise suitable class of electric equipment in that area like induction motors, LCS, Lighting Fixtures Fluerescent/Flood lights Mercury& sodium lights, J.Bs, Power Cables etc

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I have a drawing of a wound rotor induction motor for a crane. This crane motor has 5 forward speeds & 5 reverse speed implemented of course with different amount of resistance for each speed setting selected. What has got me scratching around is the fact that 8 of the 10 speed selections switch in uneven (unbalanced) amounts of resistances on each of the 3 connections to the motor's rotor.Can this be possible? I would have assumed this would produce unbalanced rotor currents and therefore vibration in the motor. I would greatly appreciate anyone's comments on this. Many thanks, Confused.

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how can we check the earth resistance

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why the value of k is more in shell typr transformers?

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how DC motor operating in detail .pls any one guide me .iam not clear idea about that .thank u

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give me a clear defination of inductance,and how can u calculate inductance of a motor

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What is the best thing to protect the motor from running over full current. CT or O/L or pressure transducer at the given pressure rating

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how induction motor work as a generator?

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how we provide neutral earth on synchronising panel as per electrical standards?

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why dc supply given to ac alternator rotor

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