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ELK 605 - Vector Control of AC Machines

Course Objectives

This course introduces modeling and control of electrical drives for AC machines including induction, permanent magnet, and synchronous machines. The dynamic model, control methods, current regulation, and space vector modulation (SVM) are discussed by both analysis and computer simulation.
To understand the principles of vector and field orientation control in AC Machines. To investigate the analysis of the machines in different reference frames. To realize the field orientation control of AC machines via computer simulations. To follow the publications related to the subject.

1. Recognize the components of power electronics and drives, and to learn their key characteristics.
2. Recognize the basic operation, losses and efficiency of the power electronics converters and drives.
3. Use various methods to analyze power electronics circuits for electric drives.
4. Develop a good insight about the practical issues in power electronics circuit design related to electric drives.
5. Explain and demonstrate operational issues and limitations of practical converters in industrial drives applications.
6. Explain the application requirements of converters in given electric drives applications.
7. To develop students' ability to analyze and solve power electronics and electric drives problems/designs using advanced system computer simulation platforms

Course Description

Each course session covers the following topics: Note: Some topics have one or more modules

1) Introduction and Applications of Electric Drives
2) Induction Machine Equations in Phase Quantities
3) Dynamic Analysis of Induction Machines in Terms of dq-Windings
4) Vector Control of Induction Motor Drives
5) Mathematical Description of Vector Control
6) Dynamic Analysis of Doubly-Fed Induction Generators and their Vector Control
7) Space Vector Pulse Width Modulated (SVPWM) Inverters
8) Direct Torque Control and Encoder-Less Operation of Induction Motors
9) Vector Control of Permanent Magnet Synchronous-Motor Drives

The course focuses on presenting the fundamental concepts on conversion, control and monitoring of electric energy using power semiconductor devices.

Methods for analyzing power electronic converters suitable for AC/DC and DC/AC electrical energy conversions are presented.

Additionally, principles for designing power electronic converters for electric drives, including their power semiconductors and passive elements are established. Computer-aided analysis and simulations of the electrical performance of electric drives with power electronic converters are also among the course objectives.

The application of power electronic converters in the fields of sustainable/renewable energy technologies such as wind and solar energy are discussed. Furthermore, industrial applications of power electronics for electric motor drives and electric generator control are described.

Course Coordinator
Salih Barış Öztürk
Course Language
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