Electrical Machines A 3 - Φ, 400 / 200 V, Y - Y connected wound rotor induction motor has 0.06 Ω rotor resistance and 0.3 Ω standstill reactance per phase. To make the starting torque equal to maximum torque of the motor the additional resistance required 0.45 Ω. 0.66 Ω. 0.24 Ω. 0.78 Ω. 0.45 Ω. 0.66 Ω. 0.24 Ω. 0.78 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above questions, find the power delivered by each of the alternators to a load of impedance 6Ω(resistive) 6000 W, 7000 W. 3190 W, 5040 W. 100 W, 2000 W. 1000 W, 5040 W. 6000 W, 7000 W. 3190 W, 5040 W. 100 W, 2000 W. 1000 W, 5040 W. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature resistance control method is used for the _______ ? both 1 and 2 above rated speed None of these below rated speed both 1 and 2 above rated speed None of these below rated speed ANSWER DOWNLOAD EXAMIANS APP
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 650 W 625 W 700 W 600 W 650 W 625 W 700 W 600 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A differentially compound motor under high-over-load conditions will behave like a / an series motor. shunt motor. cummulative compound motor. AC synchronous motor. series motor. shunt motor. cummulative compound motor. AC synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single-winding single-phase motor has low starting torque. starting torque equal to full-load torque. high starting torque. zero starting torque. low starting torque. starting torque equal to full-load torque. high starting torque. zero starting torque. ANSWER DOWNLOAD EXAMIANS APP