Synchronous Motors Most of the synchronous motors are _______ power factor metors. 0.8 leading 0.5 leading Unity 0.8 lagging 0.8 leading 0.5 leading Unity 0.8 lagging ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor runs at synchronous speed, the voltage induced in the damper winding is _____ Maximum Zero None of the listed here minimum Maximum Zero None of the listed here minimum ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor can be changed by varying _______ Supply frequency Mechanical load None of the listed here Field excitation Supply frequency Mechanical load None of the listed here Field excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of the synchronous motor has higher values for None of the listed here Higher excitation only Low excitation only Both higher and low excitation None of the listed here Higher excitation only Low excitation only Both higher and low excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the maximum power developed depends on all of the following except supply voltage direction of rotation rotor excitation maximum value of coupling angle supply voltage direction of rotation rotor excitation maximum value of coupling angle ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short circuit test on synchronous motor is usually about One hour One second None of the listed here One minute One hour One second None of the listed here One minute ANSWER DOWNLOAD EXAMIANS APP
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