Synchronous Motors A synchronous machine with low value short circuit ratio has Good voltage regulation Good speed regulation High stability limit Lower stability limit Good voltage regulation Good speed regulation High stability limit Lower stability limit ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If one phase of a 3 phase synchronous motor is short circuited, motor Will refused ro start Will fail to pull into step Will overheat in spots Will not come upto speed Will refused ro start Will fail to pull into step Will overheat in spots Will not come upto speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be made self starting by providing Damper winding on stator Damper winding on rotor poles None of the listed here Damper winding on stator as well as rotor poles Damper winding on stator Damper winding on rotor poles None of the listed here Damper winding on stator as well as rotor poles ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An important advantage of a synchronous motor over wound round induction motor is that its power factor may be varied at will its speed may be controlled more easily None of these its speed is independent of supply frequency its power factor may be varied at will its speed may be controlled more easily None of these its speed is independent of supply frequency ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor can be changed by varying _______ Supply frequency Mechanical load Field excitation None of the listed here Supply frequency Mechanical load Field excitation None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A rotary converter can also be run as a Dc series generator Synchronous motor Dc compound generator Dc shunt generator Dc series generator Synchronous motor Dc compound generator Dc shunt generator ANSWER DOWNLOAD EXAMIANS APP