Industrial Drives and Control — Winter 2024

Explain the torque-speed characteristics of DC shunt motor.

State the advantages of electric drives.

Write a technical note on: Load Equalization in Electrical drives.

Define electric motor drive. List the applications of electric motor drive.

Discuss the types and characteristics of load torque.

Explain the operation of phase controlled converter fed separately excited dc motor with continuous load current. Draw necessary diagram and waveforms.

Explain the dynamic modelling of separately excited dc motor with field control.

Explain modified speed-torque characteristic of separately excited dc motor with external resistance control.

Explain the concept of v/f control for an induction motor.

Write technical note on: Static Kramer Drive.

Explain modified speed-torque characteristic of dc series motor with external resistance control.

Compare CSI based drive and VSI based drive in all respect.

Explain the rotor-resistance control method for wound-rotor induction motor with necessary diagram.

Draw slip-torque characteristics of the induction motor.

Discuss the concept of Field Oriented Control with the necessary diagram.

Define Harmonics. Explain the concept of harmonic torques in induction motor with VSI. Draw necessary diagram.

Discuss the variable frequency operation of induction motor.

Discuss the concept of Direct Torque Control with the necessary diagram.

Explain the operation of chopper fed separately excited dc motor with discontinuous load current. Draw necessary diagram and waveforms.

Draw the block diagram of BLDC machine drive.

Discuss the concept of stationary reference frame.

Write a technical note on: Solar Powered Drive.

Draw the block diagram of Servo Motor drive.

Discuss the concept of arbitrary reference frame.

Discuss the concept of Battery Powered Drives with necessary diagram.