Synchronous Motors Power factor of a synchronous motor is unity when The armature current is zero None of the listed here The armature current is maximum The armature current is minimum The armature current is zero None of the listed here The armature current is maximum The armature current is minimum ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a unity pf synchronous motor is operated at a leading pf, it results in _______ More than rated rotor current None of the listed here Less than rated horsepower output More than rated horseppwer output More than rated rotor current None of the listed here Less than rated horsepower output More than rated horseppwer output ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For power factor correction, synchronous motors operate at normal load with zero excitation normal load with minimum excitation no-load and under-excited fields no-load and greatly over-excited fields normal load with zero excitation normal load with minimum excitation no-load and under-excited fields no-load and greatly over-excited fields ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can develop synchronous torque only at synchronous speed when under loaded while over-excited below or above synchronous speed only at synchronous speed when under loaded while over-excited below or above synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back e.m.f. of a synchronous motor depends on load angle All of these load speed load angle All of these load speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of the synchronous motor has higher values for Low excitation only Both higher and low excitation None of the listed here Higher excitation only Low excitation only Both higher and low excitation None of the listed here Higher excitation only ANSWER DOWNLOAD EXAMIANS APP
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