Answer / pritish

when 1 phase ac supply is given to the field of an alternator, it produces statically induced emf and dynamically produced emf as a result, the net torque will be zero and it produces hunting in the rotor. hence there is no output as the net torque is zero.

How to design harmonic filter at the project stage without nowing the harmonics levels

0 Answers  

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what are the main applications of transistor in non-linear region?

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PLease anyone can tell me CTUM-15 specification?

1 Answers   Gilbert Maxwell,

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3 phase supply is there Total kw 100 howmuch cable put the load

3 Answers  

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ell me capacitor bank chossen formula.load in KW

1 Answers  

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My system is 22kv/3.3kv transformer. client is asking to use NGR, but as we have dedicated Neutral Earthing systems which has a value less than 1 Ohm. So i want solid comparision. Why i should not use NGR as my system is already protected.Can any one help me to get out of this.how should i reply on basis of some great comparision and calculations. Please help

2 Answers   Ariel,

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what is reasion of harmonic create the power supply , And how to reduced to harmonic

1 Answers   Turbo,

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How can calculate the efficency of the rectifier. input 240V AC, current 5 amps,P.F 0.98, Output is 54 V DC,62.6 A.

10 Answers  

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what is difference between MCB & MCCB

1 Answers  

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What will be result if we connect LT votage to the terminal of HT motor?

0 Answers   Equate,

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what is slip what is the use of slip?

1 Answers  

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a 3 phase slip ring induction motor is wound for 4 poles on stator and 6 poles on rotor; when 3 phase balanced voltage source at 50 hz is applied to motor it will run at a)1500rpm b)1000rpm c)750 rpm d)zero rpm

13 Answers   Essar, PSPCL, PSTCL,

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