Synchronous Motors For power factor correction, synchronous motors operate at normal load with zero excitation no-load and under-excited fields no-load and greatly over-excited fields normal load with minimum excitation normal load with zero excitation no-load and under-excited fields no-load and greatly over-excited fields normal load with minimum excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can operate at Unity power factor only Lagging, leading and unity power factors Lagging power factor only Leading power factor Unity power factor only Lagging, leading and unity power factors Lagging power factor only Leading power factor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A 50 Hz synchronous motor runs at 200 rpm. The number of salient poles on the rotor are______ 30 16 36 None of the listed here 30 16 36 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous capacitor is an over excited motor running at ________ Half full load None of the listed here Full load No load Half full load None of the listed here Full load No load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of a synchronous motor will be minimum for ______ power factor. 0.8 lagging 0.8 leading Unity None of the listed here 0.8 lagging 0.8 leading Unity None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Leading power factor synchronous motors cost ______ the unity pf motors. Less than None of the listed here More than About the same as Less than None of the listed here More than About the same as ANSWER DOWNLOAD EXAMIANS APP
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