Recent questions tagged alternator

1 answer 15 views


asked Jul 6 in Wikipedia by Shimroz123
1 answer 35 views

What is the frequency of an alternator which has 2 poles and makes 3600 revolutions per minute? A) 3600 HZ B) 60 Hz C) 120 Hz D) None of these

asked Apr 29, 2018 in Electrical Engineering by Shimroz123
1 answer 23 views

While keeping the excitation constant, if the steam supply of an alternator running in parallel with another identical alternator is increased, then (A) It would over-run the other alternator (B) Its rotor will fall back in phase with respect to the other machine (C) Its portion of share in load will increase (D) Its power factor would be decreased.

asked Apr 28, 2018 in Electrical Machine by Shimroz123
1 answer 17 views

The fractional-pitch used for eliminating 7th harmonic from the emf wave of an alternator is (A) 2/3 (B) 5/6 (C) 7/8 (D) 6/7

asked Apr 28, 2018 in Electrical Machine by Shimroz123
1 answer 31 views

Is the speed of alternator is directly proportional to frequency?

asked Mar 18, 2018 in Alternator by Shimroz123
1 answer 18 views

At which power factor alternator is said to be overexcited?

asked Mar 18, 2018 in Alternator by Shimroz123
1 answer 24 views

The power factor of an alternator depends on?

asked Mar 18, 2018 in Alternator by Shimroz123
1 answer 44 views

In an alternator at lagging power factor the generated voltage per phase as compared to that at unity power factor?

asked Mar 18, 2018 in Alternator by Shimroz123
1 answer 64 views

The magnitude of various voltage drops that occur in an alternator depends on?

asked Mar 18, 2018 in Alternator by Shimroz123
1 answer 31 views

In alternator where the voltage drop occurs?

asked Mar 18, 2018 in Alternator by Shimroz123
0 answers 26 views

What causes diodes to fail in alternator?

asked Mar 15, 2018 in Electronics Engineering by Quiz
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