A 500 hp, 2,200V, 3-phase star connected synchronous motor has a synchronous impedance of 0.4+ j4 ohms per phase. Determine the induced emf per phase if the motor works on full load with an efficiency of 94% and a power factor of 0.82 leading.

Please state the assumptions

DC/AC MOTOR (UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS LEGIBLY. NO LONG EXPLANATIONS NEEDED. ANSWER IN 2 DECIMAL PLACES. BOX THE FINAL ANSWER.)

A three phase motor running at 60HZ has a synchronous speed of 3600RPM and 3480 RPM at full load. What is the speed and electrical frequency of the rotor at a quarter full load?

2) A large 3-phase, 4000 Va (phase to phase), 60 Hz squirrel-cage induction motor draws a current of 385 A/phase. The total active power at the stator input terminals is 2344 kW, when operating at full load. The corresponding speed is accurately measured and found to be 709.2 r/min. The stator is connected in wye and the resistance between two stator terminals is 0.10 Q. The total iron losses are 23.4 kW and the windage and friction losses are 12 kW. Calculate the following: c) The total 1²-R losses in the rotor d) The load mechanical power (kW), torque (kN•m), and efficiency. S = Va · V3 - I S= Vy•3·I %3D

Hury up pleaaaaaaase

V1 = 170 V f1 = 100 Hz 1) A single-phase load has an active power of P = 2 kW at V1 V @f1Hz and the power factor is cosφ = 0.75. This motor iscompensated to cosφ = 0.85 using a parallel capacitor Reactive power and apparent power after compensation?

In a factory, the following are the loads: Induction motors: 90 hp. 0.7 power factor. 0.82 efficiency Lighting and heating: 10 kW Synchronous motor: 20 kVA unity power factor a) Determine the overal power factor of the factory loads b) To improve the the factory power factor. the synchronous motor is overexcited without any change in its load. Determine the VAr that must be injected by the synchronous motor to raise the overall power factor of the factory to 0.9. 1 hp =746 W