LESSON 1. Introduction to electric drives and mechanical system
1.1) Introduction, Law of Motion for electric drives.
1.2) Basic principles of mechanics (moment-of-inertia, angular acceleration, gearbox, pulleys and flexible mechanical system)
LESSON 2. Introduction to DC machines and DC-DC converters
2.1) Principle of operation of the separately excited and series DC motors
2.2) Speed control of the separately excited and series DC motors (steady-state study)
2.2.1) Principles of speed control by varying applied voltage.
2.2.2) Principles of speed control by varying excitation flux.
2.3) Rectifier AC-DC power, controlled and uncontrolled.
2.4) Step-Down (Buck) and Step-up (Boost) converters
LESSON 3. DC Motor Drives
3.1) Operating principles in DC-motor drives (torque control, speed control, and flux control).
3.2) Speed control in the separately excited DC motor.
3.3) Dynamic Model of the DC motor
LESSON 4. AC Motor Drives (inverter)
4.1) Introduction to frond-end Inverter, Definition of Space vectors, Clarke transformation, and Park transformation. Inverter model in Stator Reference Frame.
4.2) Operating Principles of frond-end Inverter
4.3) Controller design for Inverter (space vector PWM)
4.4) Limits of the Inverter.
LESSON 5. Dynamic model of the induction motor and Scalar Speed Control
5.1) Dynamic model of the induction motor (cage rotor)
5.2) Scalar control of induction motors
LESSON 6. Vector control systems for induction motors
6.2) Transformation of the dynamic model of the machine for vector control
6.2.1) Field Orientation Principle. Torque Control. Rotor flux Control.
6.2.2) Torque-speed characteristics for vector control. Rotor flux orientation.
6.2.3) Direct and indirect vector control
6.3) Direct vector control induction motor fed by converter which operates as a current source (torque, speed and flux control)
6.4) Direct vector control induction motor fed by converter which operates as a voltage source (torque, speed and flux control)