Electric Drives Practice Test 6

1. Calculate the moment of inertia of the flywheel of mass 45 kg and radius of 2 m.

2. Calculate the compensator rating required for cos(Φ)=.7.

3. The relationship between the torque(T) and power(P) developed in the DC shunt motor is ___________ (Neglecting all the losses)

4. Calculate the compensator rating required for sin(Φ)=.8.

5. Magnetizing current in the induction motor is ______

6. Calculate the bandwidth in series RLC circuit if the frequency is 20 Hz and the quality factor is 5.

7. 1800 second rated motors are used for __________

8. The relative speed between the stator magnetic field and rotor in the synchronous generator is ______

9. What is the unit of power?

10. A circuit consists of two 7 F capacitors connected in series and 12 H inductor. Determine the order of the circuit.