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why synchronous motor is not self starting
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Answer / vinothkumar.m
the average torque exerted on the rotor is zero. And hence the synchronous motor is not self starting.
| Is This Answer Correct ? | 5 Yes | 1 No |
Answer / khalidulislam7@gmail.com
As per the operating principle of the Synchronous motor, due to continuous & rapid rotation of stator poles,the rotor is subjected to a torque which is rapidly reversing i.e. in quick succession,the rotor is subjected to torque which tends to move it first in one direction & then in the opposite direction.Owing to its large inertia,the rotor cannot instataneously respond to such quickly-reversing torque,with the result that it remains stationary or in other words it is not self starting......by
khalidulislam7@gmail.com
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / gokulnath
Synchronous motor cannot exert high starting torque at a time of starting because of its construction. so it needs starters.
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / rupesh
The rotar is acted by two forces in opposite direction ,it does not rotate so thats why syncronous motor is not self started.
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / tapiwanashe
because the torque is only developed when the synchronous motor is running at the speed of magnetic flux , therefore, the motor needs some type of device such as damper winding to bring the rotor to synchronous speed
| Is This Answer Correct ? | 0 Yes | 0 No |
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