how to control the speed to switched reluctance motor

0 Answers  

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what is the calculation of current when a clampmeter is attached to two phases of any drives.

3 Answers   ABB,

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What is surger vector in 33Kv transmission feeder? We have AC power generator of 8MW which is paralleled with 33Kv EB grid. Some times our HT breaker gets trip off due to surge vector problem. How to over come it? Is there any device to observe the surge and avoid tripping?

3 Answers  

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why can we use cosine wave instead of sine in ac supply as both have same rms vale and ripple factor

0 Answers   Indcoil Transformers, Power Grid,

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In motors how many types of cooling systems were used?

0 Answers   NTPC,

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How to perform a DC resistance test In Alternator and their proceduces?

0 Answers  

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What is the meager?

6 Answers   ABB,

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Difference between earthing & grounding.?

0 Answers   Nitco,

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1.why motor rating in kw instead of KVA? 2.why alternators rating in KVA instead of KW?. 3.why transformer rating in KVA instead of KW?.

6 Answers  

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how capacitor pass ac voltage practically?with increase frequency and cpacitance?

1 Answers   DELL,

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why we somewhere use ryb phase sequance, somewhere use uvw, and somewhere abc??

4 Answers  

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why we r using 4-20ma instead of 0-20ma in instrumentation

2 Answers   EID Parry,

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