Synchronous Motors If the field of a synchronous motor is underexcited, the power factor will be unity zero leading lagging unity zero leading lagging ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor is a ______ motor. Variable speed Variable pf None of the listed here Singly fed Variable speed Variable pf None of the listed here Singly fed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The standard full-load power factor ratings for synchronous motors are unity or zero unity or 0.8 leading zero or 0.8 leading unity or 0.8 lagging unity or zero unity or 0.8 leading zero or 0.8 leading unity or 0.8 lagging ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Mostly, synchronous motors are of Salient pole type machines Induction type machines Smooth cylindrical type machines Alternator type machines Salient pole type machines Induction type machines Smooth cylindrical type machines Alternator type machines ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For power factor correction, synchronous motors operate at 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 normal load with zero excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a unity pf synchronous motor is operated at a leading pf, it results in _______ None of the listed here More than rated horseppwer output More than rated rotor current Less than rated horsepower output None of the listed here More than rated horseppwer output More than rated rotor current Less than rated horsepower output ANSWER DOWNLOAD EXAMIANS APP
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