Course Unit Code | 430-2309/02 |
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Number of ECTS Credits Allocated | 8 ECTS credits |
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Type of Course Unit * | Compulsory |
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Level of Course Unit * | First Cycle |
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Year of Study * | Third Year |
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Semester when the Course Unit is delivered | Summer Semester |
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Mode of Delivery | Face-to-face |
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Language of Instruction | Czech |
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Prerequisites and Co-Requisites | Course succeeds to compulsory courses of previous semester |
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Name of Lecturer(s) | Personal ID | Name |
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| SLA10 | Ing. Václav Sládeček, Ph.D. |
| STE37 | Ing. Libor Štěpanec, Ph.D. |
Summary |
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The subject is focused on the understanding of the basic principles, design and operations of DC and AC electrical drives. The content of this subject is based on the knowledge of electronics, electrical machines, mechatronic systems and cybernetics. |
Learning Outcomes of the Course Unit |
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The main aim of the subject is to obtain theoretical knowledge of the area of electrical drives and practial skills with their applications.
The obtained information creates the knowledge base of bachelor, who applies the electrical drives.
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Course Contents |
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Lectures:
Kinematics and mechanics of electrical drives.
Warming and energetics of electrical drives.
DC drives with separately excited DC motor (permanent magnet motor), Mechanical characteristics, speed control, braking.
Structures of DC drives with Ward-Leonard rotary converter, thyristor controlled rectifiers and DC/DC converters.
Speed and current control of DC drives.
Reversible DC drives with thyristor controlled rectifiers and DC/DC converters.
Drives with serial DC motors. Mechanical characteristics, speed control, braking.
Drives with induction motors. Mechanical characteristics, braking.
Speed control of induction motors. Frequency speed scalar control.
Vector control of induction motors.
Direct torque control of induction motors.
Dimensioning of induction motors at frequency control.
Softstart of induction motors.
Drives with synchronous motors. Mechanical characteristics, vector control.
Drives with electronically commutated (EC) motors. Drives with stepping motors.
Drives with switched reluctance motors.
Electric drives in cars. Future of electric drives.
Exercises:
The safety for working in laboratories, content of exercises, conditions for credits. Examples from mechanics of electrical drives.
Examples from mechanics and kinematics of electrical drives.
Examples of warming and dimensioning of uncontrolled electrical drives.
Examples of drives with DC motors - motor state.
Examples of drives with DC motors - breaking.
Structures of DC drives with thyristor controlled rectifiers.
TEST No.1. Setting of laboratory work No.1.
Laboratory work No.1.
Examples of frequency control of induction motor.
Examples of induction motor dimensioning at frequency control.
Examples of frequency converter dimensioning at frequency control of induction motor.
TEST No.2. Setting of laboratory work No.2.
Laboratory work No.2.
Repetition, consultations, repair of the control tests, the replacement of the laboratory exercises.
Laboratories:
Measurement of electromechanical transient processes using DC drive
Behaviour of electrical drive with induction motor fed by a frequency convertor
Projects:
Results of laboratory work processing: (10 hours)
1-Measurement of electromechanical transient processes using DC drive
2-Behaviour of electrical drive with induction motor fed by a frequency convertor
Dimensioning of drives (motors and convertors) (10 hours) |
Recommended or Required Reading |
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Required Reading: |
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BOLDEA, I.-NASAR, S. A.: Electric Drives. Third Edition, CRC Press, 2016. ISBN 978-1-4987-4820-9.
Leonhard, W.: Control of Electrical Drives. Springer-Verlag Berlin Heidelberg New York, ISBN 3-540-59380-2, 1997. |
Neborák, I. - Sládeček, V.: Elektrické pohony. Učební texty pro kombinované a distanční studium. VŠB-TU Ostrava, 2017.
Neborák, I. - Sládeček, V. - Palacký, P. - Vrána, V.: Elektrické pohony, Syllaby do cvičení. VŠB-TU Ostrava, 2002.
BOLDEA, I.-NASAR, S. A.: Electric Drives. Third Edition, CRC Press, 2016. ISBN 978-1-4987-4820-9. |
Recommended Reading: |
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BOLDEA, I.-NASAR, S. A.: Electric Drives. Third Edition, CRC Press, 2016. ISBN 978-1-4987-4820-9.
LEONHARD, W.: Control of Electrical Drives. Springer Verlag, Berlin, Heidelberg, New York, Tokyo, 1997. |
Neborák, I.- Vrána, V. : Elektrické pohony-sbírka řešených příkladů. Skriptum VŠB Ostrava, 1990.
Čermák, T. : Elektrické pohony. Skriptum VŠB Ostrava, 1982.
Flajtingr, J. – Kule, L.: Elektrické pohony se střídavými motory a polovodičovými měniči. Západočeská univerzita v Plzni, 2002, 142 stran. ISBN 80-7082-919-2.
Javůrek, J.: Regulace moderních elektrických pohonů. GRADA PUBLISHING, a.s., Praha, 2003, 264 stran. ISBN 80-247-0507-9.
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Planned learning activities and teaching methods |
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Lectures, Tutorials, Experimental work in labs |
Assesment methods and criteria |
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Task Title | Task Type | Maximum Number of Points (Act. for Subtasks) | Minimum Number of Points for Task Passing |
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Exercises evaluation and Examination | Credit and Examination | 100 (100) | 51 |
Exercises evaluation | Credit | 40 (40) | 20 |
Test 1 | Written test | 10 | 5 |
Test 2 | Written test | 10 | 5 |
Ověřování znalostí | Written test | 10 | 5 |
Laboratorní úlohy | Project | 10 | 5 |
Examination | Examination | 60 (60) | 20 |
Písemná zkouška | Written examination | 30 | 10 |
Ústní zkouška | Oral examination | 30 | 10 |