Answer / tariq

The phenomena of Crawling in the motor occurs due to the
harmonics. So we can say that all those factors that play
major or minor role to produce the harmonics are also the
producing agencies of the phenomena of Crawling.

As per IS why should the control be taken only from R phase, why not from B or Y phase??!!

2 Answers  

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Cables Construction hi friends, 0.6/1/1.2 kV LV , DC and Control cables are concentric copper conductor what does its means and what is the use of concentric copper conductor,and are this with copper tape shield or copper screening, ? thanks

0 Answers  

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Define conversion efficiency of a power amplifier.

0 Answers  

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why voltage coil in wattmeter called as pressure coil why the pressure term is used in wattmeter?

1 Answers   NPCIL,

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What is the function of trip neutral close switch?

11 Answers  

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Where double earthing is required? Is there any power specification to have double earthing?

10 Answers   Delphi,

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what is the effect of PF on alternator sizing?

2 Answers   Siemens,

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how do you find making current and breaking current of the circuit breaker

1 Answers  

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How core saturation effects the secondary voltage (whats the theory) of a current transformer in service?

1 Answers  

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what is ac servomotor??

7 Answers  

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If ROC does not lies inside unit circle,then ? a) Fourier transform converges b) Z transform converges c) Hatly transform converges d) Colpit Transform converges.

0 Answers   CCP,

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in dc shunt generator field is open in running condition what will happen?

8 Answers   century,

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