Synchronous Motors In a synchronous motor, the rotor copper loss are met by ______ Armature input Supply lines Dc source Motor input Armature input Supply lines Dc source Motor input ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Dust and dirt accumulation on motor winding will result in Shorting of coils Increased core losses Eddy current flow Rise in winding temperature Shorting of coils Increased core losses Eddy current flow Rise in winding temperature ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of a synchronous motor will be minimum for ______ power factor. Unity 0.8 leading 0.8 lagging None of the listed here Unity 0.8 leading 0.8 lagging None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When the synchronous motor runs at synchronous speed, the voltage induced in the damper winding is _____ Maximum None of the listed here Zero minimum Maximum None of the listed here Zero minimum ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor runs at only one speed because it ______ Has no losses Is a doubly fed machine None of the listed here Has a damper winding Has no losses Is a doubly fed machine None of the listed here Has a damper winding ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The standard full-load power factor ratings for synchronous motors are unity or 0.8 lagging unity or 0.8 leading unity or zero zero or 0.8 leading unity or 0.8 lagging unity or 0.8 leading unity or zero zero or 0.8 leading ANSWER DOWNLOAD EXAMIANS APP