Synchronous Motors In a synchronous motor, the maximum power developed depends on all of the following except direction of rotation maximum value of coupling angle supply voltage rotor excitation direction of rotation maximum value of coupling angle supply voltage rotor excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The standard full-load power factor ratings for synchronous motors are unity or 0.8 lagging unity or 0.8 leading zero or 0.8 leading unity or zero unity or 0.8 lagging unity or 0.8 leading zero or 0.8 leading unity or zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the field of a synchronous motor is underexcited, the power factor will be zero lagging leading unity zero lagging leading unity 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
Synchronous Motors The pull out torque of a synchronous motor is generally ______ times its full-load torque. 0.5 1.25 to 3.5 6 to 9 5 to 10 0.5 1.25 to 3.5 6 to 9 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back emf in the stator of a synchronous motor depends on Rotor speed Flux density None of the listed here Rotor excitation Rotor speed Flux density None of the listed here Rotor excitation ANSWER DOWNLOAD EXAMIANS APP
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