what is negative d.c. voltage, why this voltage is used in base transciever station.

0 Answers   Vintage Air,

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what maximum load will take a aluminum cable of 50mm 4 core.

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Why the frequency of a system is changed if the load changes?

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Explain about retrofitting of machine tool.

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What is the minimum setting in REF relay because i am facing some problem whenever power resumes after power failure my transformer is tripping because of REF trip. I am using CSPC make numerical relay(DIP switches). Now setting is 15 percentage. What is the reason for this triping. I sm waiting for answer

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do you have some of interview Questions in power and genrator section in general whith answers

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How can i modify the design of 3 phase induction motor to be as 3 phase synchronous motor??

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NGR? What is NGR?

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What happens with squirrel induction machines if the ends of rotor conductors are kept open? Explain

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What is bushing?

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why Induction Generators are not "Black start" ? and apart from WTGs where this types of generator are generally used?

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Why the arms of delta in a delta-wye power transmission system are kept constant??

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