Synchronous motor vs Induction motor-Difference between Synchronous motor and Induction motor
This page on Synchronous motor vs Induction motor mentions difference between Synchronous motor and Induction motor.
Synchronous motor | Induction motor |
---|---|
Not self started | Self started |
The average speed of synchronous motor is always synchronous. It is independent of load. | The induction motor has normal speed less than that of synchronous but its speed decreases as the load increases |
The motor can be operated at all power factors whether lagging or leading. | The motor operates at only lagging power factor. |
No question of speed control. | Speed can be controlled to small units. |
Motor requires a DC excitor. | No excitor is required. |
Synchronous Motor is costlier to manufacturer. | Induction Motor is much cheaper to manufacturer. |
In addition to motor is being used for mechanical output, it is also used to improve power factor. Here it is referred as synchronous condenser. | The application of induction motor is limited to supply of mechanical load. |
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