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In a split phase motor, the running winding should have low resistance and high inductance.

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A 200 V dc shunt motor is running at 1000 rpm and drawing a current of 10 A. Its armature winding resistance is 2 Ohm. It. is braked by plugging. The resistance to be connected in series with armature to restrict armature current to 10 A, is

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The damping winding in synchronous motor is generally used to?

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In synchronous motor, does the winding losses vary with load?

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A capacitor-start single phase induction motor is switched on to supply with its capacitor replaced by an inductor of equivalent reactance value. It will?

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The number of poles in a phase induction motor at 50 Hz and running at 1500 rpm will be?

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Three phase synchronous motor will have how many sliprings?

asked Mar 18, 2018 in Synchronous machine by Shimroz123
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What is the slip (as a percentage) when a 6 pole single phase induction motor operating on 220 V and 60 Hz is rotating at speed of 1140 rpm? A) 60% B) 5% C) 10% D) None of these

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How does a single phase induction motor work?

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In a split-phase induction motor, the resistance/reactance ratios of windings are such that (A) current in the auxiliary winding leads the current in the main winding (B) current in the auxiliary winding lags the current in the main winding (C) both windings develop the same starting torque (D) both windings develop high starting current

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An unexcited single phase synchronous motor is ?

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speed control methods of three phase induction motor?

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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

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