Draw and explain PWM converter as line side rectifier.
[7 marks]Explain PWM control of inverter in brief.
[3 marks]Draw the block diagram of Electric drive.
[4 marks]Describe the operation of Hbridge as a 4-Qdrive.
[7 marks]Describe Selected Harmonic Elimination with necessary figure.
[3 marks]Discuss the importance of V/f ratio in IM drive.
[4 marks]Write a note on reference frame theory.
[7 marks]Draw and explain operation of open loop V/f control of Induction motor with PWM voltage fed converter.
[7 marks]State advantages of SHE technique.
[3 marks]Compare vector control and scalar control.
[4 marks]Discuss speed control in BLDC motors.
[7 marks]Describe use of DSP to generate PWM.
[3 marks]Compare Direct Torque Control and Field Oriented Control.
[4 marks]List different permanent magnet motors.
[3 marks]Draw block diagram of synchronous motor drive.
[4 marks]Explain direct torque control of synchronous motor.
[7 marks]Draw block diagram for closed loop speed control of SRM.
[3 marks]List different control techniques of PMSM.
[4 marks]List and explain various topologies for SRM drives.
[7 marks]Compare open loop and close loop control of an electric drive.
[3 marks]Draw equivalent circuit model of Induction motor.
[4 marks]Explain switching vectors in space vector modulation with a neat labelled diagram.
[7 marks]State advantages and drawbacks of PM motors.
[3 marks]Draw figure showing construction of outer rotor design type BLDC motor.
[4 marks]Draw block diagram for DSP based Brushless Direct Current Motor Drive System.1
[7 marks]