Electrical Machines The rotor power output of 3-phase induction motor is 15 KW. The rotor copper losses at a slip of 4% will be 700 W 650 W 625 W 600 W 700 W 650 W 625 W 600 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of these types of motor is self starting? Poly-phase synchronous machine. None of these. Single phase induction motor. Poly-phase induction motor. Poly-phase synchronous machine. None of these. Single phase induction motor. Poly-phase induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase 6 pole 50 Hz induction motor is running at 5% slip.What is the speed of the motor? 950 rpm 850 rpm 1000 rpm 900 rpm 950 rpm 850 rpm 1000 rpm 900 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field weakening method is also called as-----------? constant current control constant power control constant voltage control constant torque control constant current control constant power control constant voltage control constant torque control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loss will depends on f² f³ f f1.6 f² f³ f f1.6 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc series motor driving and electric train faces a constant power load. It is running at rated speed and rated voltage. If the speed has to be brought down to 0.25 p.u. the supply voltage has to be approximately brought down to 0.75 p.u 0.125 p.u 0.5 p.u 0.25 p.u 0.75 p.u 0.125 p.u 0.5 p.u 0.25 p.u ANSWER DOWNLOAD EXAMIANS APP
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