can we make a electric generator,which can not use any type of fuel,air,solar,gas,thermal,coal,petrol,etc and able to produce electrical energy (or self electricity generating generator)

0 Answers   NTPC,

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The power factor of the fixed load is 0.8, now the p.f is varying from 0.8 to 0.5.

0 Answers  

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please mention the minimum IR value for different voltage systems

6 Answers  

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for a 33/11kv transformer, after step down what happens to the balance 22kv.

2 Answers  

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What happen if the 24 volt DC supply is disconnected from air circuit breake ?

2 Answers  

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Tell the details of the precommissioning tests that are performed on distribution transformer, power cable and switchgear (11kv).

1 Answers   Reliance,

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what is the application of dynamic Breaking resistor in inverter ? & How it works ?

2 Answers  

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Which one is correct mVA or MVA. Whether both the units are same for the transformer

10 Answers   Areva,

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Can any body tell me about Hi-pot test, and why it is necessary and its procedure of testing

6 Answers  

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Can the Neutral and Body Earthpits of a transformer conncted together by Earth strips under ground.

4 Answers   SanDisk,

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why PT transformer primary r the grounded?

2 Answers   L&T,

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what is PI value and its significance for insulation testing?

3 Answers  

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