Synchronous Motors The operating speed of a synchronous motor can be changed to new fixed value by using brakes changing the supply voltage changing frequency changing the load using brakes changing the supply voltage changing frequency changing the load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor which loss varies with load ? Copper loss Core loss Windage loss Bearing friction loss Copper loss Core loss Windage loss Bearing friction loss ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous capacitor is An over excited synchronous motor driving mechanical load None of the listed here An over excited synchronous motor running without mechanical load An ordinary static capacitor bank An over excited synchronous motor driving mechanical load None of the listed here An over excited synchronous motor running without mechanical load An ordinary static capacitor bank ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed regulation of a synchronous motor is always Positive 0.5% Zero 1% Positive 0.5% Zero 1% ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of the synchronous motor has higher values for Both higher and low excitation None of the listed here Low excitation only Higher excitation only Both higher and low excitation None of the listed here Low excitation only Higher excitation only ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor runs at only one speed because it ______ Is a doubly fed machine None of the listed here Has a damper winding Has no losses Is a doubly fed machine None of the listed here Has a damper winding Has no losses ANSWER DOWNLOAD EXAMIANS APP
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