Synchronous Motors If a synchronous motor is operating at a supply frequency of 50 cycles/second, then, rotor revolves at ______ 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 50 cycles/second ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A rotary converter can also be run as a Synchronous motor Dc shunt generator Dc compound generator Dc series generator Synchronous motor Dc shunt generator Dc compound generator Dc series generator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor with large air gap has A higher synchronizing power which makes the machine less sensitive to load variations A higher value of stability limit A small value of inherent regulation All of the listed here A higher synchronizing power which makes the machine less sensitive to load variations A higher value of stability limit A small value of inherent regulation All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For power factor correction, synchronous motors operate at normal load with zero excitation no-load and greatly over-excited fields normal load with minimum excitation no-load and under-excited fields normal load with zero excitation no-load and greatly over-excited fields normal load with minimum excitation no-load and under-excited fields ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The power factor of a synchronous motor is better than that of induction motor because synchronous motor runs at synchronous speed synchronous motor has large air gap mechanical load on the motor can be adjusted stator supply is relieved of responsibility of producing magnetic field synchronous motor runs at synchronous speed synchronous motor has large air gap mechanical load on the motor can be adjusted stator supply is relieved of responsibility of producing magnetic field ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The induced e.m.f. in a synchronous motor working on leading power factor will be more than the supply voltage equal to the supply voltage None of these less than the supply voltage more than the supply voltage equal to the supply voltage None of these less than the supply voltage ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS