Synchronous Motors If a synchronous motor is operating at a supply frequency of 50 cycles/second, then, rotor revolves at ______ 25 cycles/ second 100 cycles/second 50 cycles/second None of the listed here 25 cycles/ second 100 cycles/second 50 cycles/second None of the listed here 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 maximum value of coupling angle rotor excitation supply voltage direction of rotation maximum value of coupling angle rotor excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can develop synchronous torque only at synchronous speed when under loaded below or above synchronous speed while over-excited only at synchronous speed when under loaded below or above synchronous speed while over-excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor runs at synchronous speed, the voltage induced in the damper winding is _____ Maximum None of the listed here minimum Zero Maximum None of the listed here minimum Zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The operating speed of a synchronous motor can be changed to new fixed value by changing the load changing frequency using brakes changing the supply voltage changing the load changing frequency using brakes changing the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous capacitor is An over excited synchronous motor running without mechanical load An ordinary static capacitor bank None of the listed here An over excited synchronous motor driving mechanical load An over excited synchronous motor running without mechanical load An ordinary static capacitor bank None of the listed here An over excited synchronous motor driving mechanical load ANSWER DOWNLOAD EXAMIANS APP
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