Answer Posted / rvg

Yes, but the use of 50 Hz not recomended because, this
frequnecy will give less flux linkage than what designed
for, and output voltage will be lesser.
Humming and other harmonics loss will be more/less and can
cause core heating,ie: core loss.

in control scheme dc logic wiring commonly using negative loop,what is the reason?if we use positive looping what will happen?

2328

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explain the process of commutation in a dc machine. Explain what are inter-poles and why they are required in a dc machine.

1164

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impliment (AB)`+C to transistor representation

1828

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how to find the resistance and gap volatage of the diode??

2041

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how to select electrical equipment such as fuse,dg,transformer,motor,msb,wire,cable as per the connecting load..please mention any books to design,take licence

2979

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-What shall be short circuit current of LV switchgear for a 1000 kva, 11.415kv, 3 phase tranformer with 5% reactance.

2122

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Define phase cross over?

1132

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what is the advantages of having in-built acvvvf (without seperate inverter in the control panel)in the drive system of elevators?

3372

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How to run a three phase motor into single phase........

1992

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We have 250 KW x 2 motors, which are load from 25% to 100% varying load in every minute , so how can we compansate the power factor. pl give your opinions on the above subject.

1857

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how to control dc motor?

1906

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HOW TO CALCULATE S/C,O/C,E/F OF ACB.

2578

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i karmveer bharti persuing b.tech . plz send me syllabus and name of reference books. for preparation of section eng.

2112

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how to calculate the no load current in transformer?

2512

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How many double suspension hardware fittings are required on a double circuit transmission tower?

2099

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