Synchronous Motors The operating speed of a synchronous motor can be changed to new fixed value by changing the load changing the supply voltage using brakes changing frequency changing the load changing the supply voltage using brakes changing frequency ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The shaft of synchronous motor is made of Chrome steel Stainless steel Alcino Mild steel Chrome steel Stainless steel Alcino Mild steel ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors While starting a salient pole synchronous motor by induction motor action and connecting field discharge resistance across field, starting and accelerting torque is produced by eddy current and hysteresis torque in pole faces All of the listed here induction motor torque in field winding induction motor torque in damper winding eddy current and hysteresis torque in pole faces All of the listed here induction motor torque in field winding induction motor torque in damper winding ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is pulled out of synchronism, the stator current ________ Is decreased too much Become zero Remains unchanged Is increased too much Is decreased too much Become zero Remains unchanged Is increased too much ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the field of a synchronous motor is under-excited, the power factor will be unity leading zero lagging unity leading zero lagging ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The capacity of a synchronous capacitor is generally in the range of kVAR VAR MVAR None of the listed here kVAR VAR MVAR None of the listed here ANSWER DOWNLOAD EXAMIANS APP