In constant power region of 3-phase IM torque-speed characteristics, if frequency increases slip A does not alter B decreases C increases D none of above

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can anybody tell me that for p.f. Improvment we use capacitor banks but how to decide its capacitance. As we all know how to calculate kvar but what abt capacitance value

0 Answers  

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what is the standard values(Megger test) of resistances between L&N,L&E and N&E for a system on IEE regulations?

0 Answers  

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From, which load current range ( upper - lower limit current)can Air circuit breaker used for in electrical circuit.

4 Answers   ABC,

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Why Trasformers rated in KVA

13 Answers   College School Exams Tests, HAL, Oil and Gas Jobs,

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what is first pole to clear factor

1 Answers  

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Why NGR is provided in sub station?

4 Answers   MMS,

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What are the different protection systems used to protect the transformer internally and externally?

16 Answers  

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Is there any reason that we get shock on touching phase wire because the earth is at neutral potential? Is there any reason that the earth is at neutral potential because the neutral is earthed in apower station

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what are the types of 3-ph. generator protection

2 Answers  

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i am getting to neutral earth voltage zero ,is this a perfect earthing ?

3 Answers  

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

5 Answers  

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