430-4124/02 – Power Electronics of Automotive Systems II (VEAS2)
| Gurantor department | Department of Applied Electronics | Credits | 4 |
| Subject guarantor | Ing. Aleš Havel, Ph.D. | Subject version guarantor | Ing. Aleš Havel, Ph.D. |
| Study level | undergraduate or graduate | Requirement | Choice-compulsory type B |
| Year | 1 | Semester | summer |
| | Study language | English |
| Year of introduction | 2019/2020 | Year of cancellation | 2022/2023 |
| Intended for the faculties | FEI | Intended for study types | Follow-up Master |
Subject aims expressed by acquired skills and competences
Knowledge obtained in this subject enable students good orientation in power electronics applications, e.g. applications with UPS, automotive electronics, power sources, regulators and in applications with electrical drives. This subject enables students explore parts of automotive power semiconductor systems and apply obtained information by construction in practice. Information obtained in this subject is part of general knowledge of electrotechnic educated expert.
Teaching methods
Lectures
Tutorials
Experimental work in labs
Summary
Knowledge obtained in this subject offer students good orientation in the branch of power electronics applications, e.g. applications with UPS, automotive electronics, AC power regulators and in applications with electrical drives. This subject enables students to explore parts of power semiconductor systems and to apply obtained information by constructing in practice. Knowledge obtained in this subject is a part of a general knowledge of electrotechnic educated expert.
Compulsory literature:
Recommended literature:
Way of continuous check of knowledge in the course of semester
Verification of study:
Checktests TEST no. 1, TEST no. 2 (s. exercises)
Conditions for credit:
- 100% practical instruction participation. Extraordinary substitute just on the base of previous teacher acceptance.
- Delivering of practical instruction course works on schedule = 1 week after appropriate practical instruction.
- 100% check tests participation on schedule (exact date will notice minimal 1 week before). It´s possible to repeat only one check test one time. In case of repeating check test it´s possible to obtain just 80% of conventional maximal amount of points!
- Minimal amount of received points is 25 from 40 points.
- Points classification of practical instructions - maximal 40 points, divided to:
T1 = max. 10 points
T2 = max. 10 points
Course works of practice instructions = max. 20 points
E-learning
Other requirements
There are no additional requirements for student.
Prerequisities
Subject has no prerequisities.
Co-requisities
Subject has no co-requisities.
Subject syllabus:
Lectures:
1. Modern switching semiconductor components, power transistors, IGBT, switchable types of thyristors.
2. Topologies of DC/DC converters without transformer, variants of wiring according to voltage polarity and direction of current, principles of operation, basic types of control and applications, solved examples (1).
3. Topologies of DC/DC converters without transformer, variants of wiring according to voltage polarity and current direction, principles of operation, basic types of control and applications, solved examples (2).
4. Basic and modern topologies of switching power supplies, Forward and Flyback inverters, switched stabilizers, efficiency of switching power supplies, solved examples.
5. Basic and modern topologies of switching power sources with transformer, Push-Pull type inverters, double-acting inverters, efficiency of switching sources, solved examples.
6. DC / DC converters with soft switching, ZCS and ZVS principles, resonant converters.
7. Switched back-up and charging electronic sources, applications in automotive.
8. Voltage Inverters, principles, wiring, output voltage control, width control, PWM control, vector PWM, applications (1).
9. Voltage inverters, principles, wiring, output voltage control methods, width control, PWM control, vector PWM, applications (2).
10. Current inverters, principles, connections, applications.
11. Indirect frequency converters with voltage and current intermediate circuits, their applications in hybrid and electric vehicles.
12. Examples of design and arrangement of inverters, specific applications, development tendencies of power semiconductor systems in the automotive field.
Exercises:
1. Basics of design of power semiconductor devices.
2. Calculation of power loss of semiconductor components in switching mode.
3. Examples of calculation and practice of the theory of DC/DC converters.
4. Laboratory task No. 1 - DC/DC converters, buck and boost DC/DC converters.
5. Simulation of selected topologies of DC/DC converters in OrCAD/PSpice.
6. Design of the power and control part of the Forward and Flyback switching power source.
7. Test No. 1.
8. Laboratory task No. 2 - DC / DC converters with transformer, Forward and Flyback inverters.
9. Laboratory task No. 3 - measurement of load characteristics and efficiency of switching power supplies.
10. Examples of calculation and practice of the voltage inverter theory.
11. Simulation of selected topologies of voltage and current inverters in OrCAD / PSpice.
12. Laboratory task No. 4 - 1-phase voltage inverter, width and PWM control.
13. Laboratory task No. 5 - 3-phase voltage inverter, width and PWM control, modes U / f = const. and U / f ≠ const.
14. Test No. 2.
Workout of laboratory exercises:
Laboratory Task No. 1 - DC / DC Converters, Buck and Boost DC/DC converter.
Laboratory Task 2 - DC / DC Converters with transformer: Forward and Flyback.
Laboratory Task 3 - Measurement of load characteristics and efficiency of switching power supplies.
Laboratory task No. 4 - 1-phase voltage inverter, width and PWM control.
Laboratory task No. 5 - 3-phase voltage inverter, width and PWM control, modes U / f = const. and U / f ≠ const.
Conditions for subject completion
Occurrence in study plans
Occurrence in special blocks
Assessment of instruction
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