Synchronous Motors Hunting in a synchronous motor cannot be due to windage friction variable supply voltage variable frequency variable load windage friction variable supply voltage variable frequency variable load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors By which of the following methods the constant speed of a synchronous motor can be changed to new fixed value ? By changing the load By changing the supply frequency By changing the applied voltage By interchanging any two phases By changing the load By changing the supply frequency By changing the applied voltage By interchanging any two phases ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the forced vibrations will be maximum when driving A centrifugal pump A centrifugal blower A reciprocating air compressor Any of the listed here A centrifugal pump A centrifugal blower A reciprocating air compressor Any of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be made self starting by providing Damper winding on rotor poles Damper winding on stator None of the listed here Damper winding on stator as well as rotor poles Damper winding on rotor poles Damper winding on stator None of the listed here Damper winding on stator as well as rotor poles ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If a synchronous motor is operating at a supply frequency of 50 cycles/second, then, rotor revolves at ______ 50 cycles/second 100 cycles/second None of the listed here 25 cycles/ second 50 cycles/second 100 cycles/second None of the listed here 25 cycles/ second ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of the synchronous motor has higher values for Higher excitation only None of the listed here Low excitation only Both higher and low excitation Higher excitation only None of the listed here Low excitation only Both higher and low excitation ANSWER DOWNLOAD EXAMIANS APP
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