Answer / sibananda jena

For starting the engine, and for excitation voltage for the
alternator.

Answer / abhishek

main alternator excitation voltage supplied after rectifying
another small alternator voltage. This small alternator excitor
voltage is supplied by battery.

what is the ground fault relay,which purpose it will be use,clearly tell me plz

0 Answers  

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Relation between magnetic field strenght and magnetic induction is a) Voltage b) current c) Speed d) tarque

1 Answers   Ecil,

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which is more dangerous A.c or D.C?

26 Answers  

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1 Kva = How many KW

3 Answers   Reliance,

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What is the difference when selecting a cable between AC and DC current?

13 Answers   ABB,

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why to use freewheeling diode ( diode in revers bias mode) across dc coil

2 Answers  

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What is the height of DA, DAL, DB, DC & DDE tower?

0 Answers  

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What is Traction? 1KVA Alternator, How much urrent taken?

0 Answers   Bhel,

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Where to use pt and where to use CVT

2 Answers  

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any one guide me to reduce the power factor of diesel Generator from 0.97 Leg to 0.8 Leg.with out any change in my load.

0 Answers  

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A 6-pole, 50 Hz, 3-phase synchronous motor and on 8-pole, 50 Hz, 3-phase slip-ring induction motor are mechanically coupled and operate on the same 3-phase, 50 Hz supply. If they are left open-circuited, then the frequency of the voltage produced across any two slip rings would be

2 Answers   L&T,

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What is VSCF windelectrical system?

0 Answers  

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