Answer / niranjan

Its braking the motor by reversing the current direction in the circuit, it can be done by interchanging the the two supply terminals, in case of DC and in AC three phase, it can be done by interchanging any two lines of the three lines.

Why do u join toreent power ?

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how the percentage impedance affect the transformer loading when connected in parallel.?

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Define conversion efficiency of a power amplifier.

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Explain marx circuit.

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Hello Can I use step up HV transformer 440/4160V as a step down? Thanks Evgeny

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i have ht transformer of 142 kva with air cooled facility,having secondary voltage 7850volt, and secondary connected full way bridge rectifier .i faced the problem repeatedly that transformer one coil and rectifier diode of two phase was burnt two times. i checked all the secondary ckt. no any short ckt found,then what will be the cause side

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what is the use of permanent magnet generator in exciter

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when we given 3 phase supply to ups system, but out put comes with 3 phase + neutral how it possible? pls explain.

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why Copper loss is represented as I square R ?

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What are capacitive,resistive,inductive surge absorbation? What is ferranti surge absorber? What is lagrangian cost? What is Px operator?

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can we ran equipment up to 10kw between phase to grounding/ earthing. beside above can we use grounding instead of neutral. .

1 Answers   TNEB Tamil Nadu Electricity Board,

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