Electric Drives and Traction 1

Lecturer:

Jiří Pavelka (gar.)

Tutor:

Jiří Pavelka (gar.)

Supervisor:

Department of Electric Drives and Traction

Synopsis:

Application of motion equation in drives, the motor torque, the load torque, the dynamical torque. Operating modes, electromechanical transient effects. Drives with DC motors, induction motors, synchronous motors, SRM, EC motors, linear motors. For each type its properties, speed control strategy and block scheme of a controller, range of application. Drive control computer structure, shared resources organization, special hardware blocks for signal measurement and signal generation in drives, programming techniques and languages for software development and debugging, migration from analog signal processing to the digital signal processing, time sampling and amplitude quantization, aliasing, difference equations and digital control algorithms. Drive commissioning

Requirements:

Active participation on labs (max.3 excused absences), elaboration of check test, presentment of own lab works

Syllabus of lectures:

1. Drive definition, drives classification, Logic control of drives

2. Continual drive control, transfer functions, static and dynamic behavior of control system, motion equation

3. Analysis of operation modes, Electromechanical transient effects

4. Block schemes of controller for drives with DC motors: Mathematical model

5. Drives with induction motors: coordinate conversion, basic idea of vector and direct torque control methods

6. Drives with synchronous motors: excitation systems, speed control of synchronous motors,

7. Drives with EC motors, drives with SRM, Drives with linear motors

8. Drive control computer and its structure

9. Shared resources organization, interrupt system, DMA controller

10. Special hardware blocks for signal measurement and signal generation in drives

11. Programming techniques and languages for software development and debugging

12. Analog to digital signal processing migration, time sampling and amplitude quantization, aliasing

13. Difference equations and digital control algorithms

14. Electric drives design, procedure by selection of the supplier, drive commissioning

Syllabus of tutorials:

1.Introduction with the lab, setting of individual task on the contact control

2.Practice by programming of logic automat Moeller

3.Calculation of examples

4.Measurement of a inertia moment and dynamic torque characteristic

5.Control of an induction motor speed fed from frequency converter

6.Check test, Check and a function verification of designed contact control on laboratory equipment and LC Moeller

7.Measurement on variable speed drives with synchronous motor, Control of servomotor Maxon

8.MPLAB IDE and C18 compiler

9.MPLAB simulator

10.Compare unit a PWM generator

11.Quadrature detector

12.Digital filter

13.PS regulátor

14.Credit

Study Objective:

Study materials:

[1]Leonard, W: Control of Electric Drives. Springer-Verlag Berlin

[2]Sen, P. C: Principles of Electric Machines and Power Electronic. John Wiley?Sons

[3]Power Electronics. John Wiley?Sons

[4]Kuo, B. C.: Digital Control Systems. New York, Oxford University Press, 1995, ISBN-0195120647

Note:

Time-table for winter semester 2011/2012:

Time-table is not available yet

Time-table for summer semester 2011/2012:

Time-table is not available yet

The course is a part of the following study plans:

• Electrical Engineering, Power Engineering and Management - Applied Electrical Engineering (compulsory course in the program)
• Electrical Engineering, Power Engineering and Management - Electrical Engineering and Management (compulsory course in the program)
• Electrical Engineering, Power Engineering and Management (compulsory course in the program)