EEE :: Synchronous Motors
- The maximum speed variation in a 3-phase synchronous motor is
- The ratio of starting torque to running torque in a synchronous motor is
- When load on an over-excited or under excited synchronous motor is increased, rate of change of its armature current as compared with that of power factor is
- A synchronous motor can be made self starting by providing
- A synchronous machine with large air gap has
- In a synchronous motor, the maximum power developed depends on all of the following except
- By which of the following methods the constant speed of a synchronous motor can be changed to new fixed value ?
- Hunting in a synchronous motor cannot be due to
- The duration of sudden short-circuit test on a synchronous motor is usually about
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