Answer / sahilnabi

It's become dc generator

why induction motors are rated at 0.8 power factor.

0 Answers   Bhel, TN,

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how to select the mpcbs and contactor for 3 phase 30 hp star delta motors.for plc control.and tell me the calaculation for future use.

0 Answers  

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dear all, in motor operation , motor is of 100 hp and bimetal relay setting is 130 amp, if relay is getting tripped on 120 amp balance current what can be the reason? Relay is newly replaced. I dont know but is there any frequency effect in thit case? Can frequency variation affect bimetal relay operation?

1 Answers  

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1.what to do if ferquency of any power system continue to decrease ?

5 Answers   NTPC,

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How to test and satisfy the conditions of the vector group YNd1 for power transformer?

1 Answers   Areva,

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what is the harmonics? which harmonics(fundamental and reference) is suitable for calculating capacitor bank and Active filter and passive filter? what is the 1st 2nd 3rd 4th 5th harmonics and effects?

1 Answers  

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Why is reating of t/f in kva but for inverter in kw ?

3 Answers   UPPCL,

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List the time domain specifications.

0 Answers  

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In which connection the voltage will be more , in star or delta connected motor?

3 Answers  

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My question is abt backlog.I had dropped one subject in my second year, and completed this subject in the 3rd attempt, so how many backlogs i have got?1 or 3?plz sujjest the answer as soon as possible

0 Answers  

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what is different between installation and commonissonig.

3 Answers  

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How would you relate your key competencies to this position?

0 Answers  

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