Subject description - BE5B14SP1
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Explanatory Notes
Instructions
BE5B14SP1 | Electric Machinery and Apparatus 1 | ||
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Roles: | PV | Extent of teaching: | 3P+2L |
Department: | 13114 | Language of teaching: | EN |
Guarantors: | Mindl P. | Completion: | Z,ZK |
Lecturers: | Chomát M., Mindl P. | Credits: | 5 |
Tutors: | Haubert T., Košík M., Mindl P., Zedník J. | Semester: | L |
Anotation:
Electric drive and its components. Electromechanical energy conversion. Rotational converters - DC machines, induction motors, synchronous generators and motors. Special electric machines, actuators. Static converters - transformers. There are presented operational principles, main constructional scheme and characteristics, applications. Switching theory. Interaction between turn-off switch and switched circuit. Basic theory and characteristic of electric arc. Transient recovery voltage. Switching overvoltage. Low voltage protection apparatusesCourse outlines:
1. | Electric drive and its components. Electromechanical energy conversion. Electrotechnical laws application | |
2. | DC machines, principles, design, main characteristics. Generators and motors | |
3. | Starting and braking of motors. Common DC machine characteristics, commutation principles | |
4. | Transformers, principles and design, main characteristics. Three-phase transformer winding accouplement | |
5. | Main work states, parallel operation. AC rotating electromechanical converters, rotating magnetic field | |
6. | Induction machines, principles, use, characteristics. Single-phase induction motor | |
7. | Energetic electric machines. Synchronous generators. Synchronous motors, principles, constructional design | |
8. | Introduction to switching problems. Switching apparatus operational principles. Switching arc in circuit breakers | |
9. | DC current interrupting, Influence of circuit induction and disconnecting speed on switching over-voltage | |
10. | AC current interrupting. Influence of an arc voltage, breaking current deformation | |
11. | Transient recovery voltage (TRV). Influence of TRV on the switching process | |
12. | Switching over-voltage in AC circuits. Small inductive current- and capacitive current breaking | |
13. | Circuits breakers for low voltage circuits, characteristics and application rules | |
14. | Protecting apparatuses - residual current circuit breakers, over-voltage arresters |
Exercises outline:
1. | Introduce to labs, security laws, laboratory rule, adjustable sources and their control | |
2. | Starting and reversation of DC motors. Torque- and speed measurement. Tachodynamo calibration | |
3. | Independent excited motor - load characteristics | |
4. | Speed control of independent excited DC motor | |
5. | Transformer - no load and short circuit operation measurement, standby circuit | |
6. | Induction motor - starting, mechanical characteristics | |
7. | Synchronous generator - synchronizing with the network, operation on the network | |
8. | Contactor combinations | |
9. | Programmable relay in distributor boxes control - I 10.Programmable relay in distributor boxes control - II | |
11. | Overcurrent relais, switching characteristics | |
12. | Contactors V - C characteristics | |
13. | Contactor current path overheating measurement | |
14. | Reparation measurements, credit |
Literature:
1. | Chapman,S.J.: Electric Machinery Fundamentals, McGraw-Hill, 1985 | |
2. | Flurscheim, C.H., Power Circuit Breaker, Theory and Design. IEE.1982 |
Requirements:
Active participation on laboratory measurement, document administration in due form, measure result processing, submit of test reports Subject is included into these academic programs:Program | Branch | Role | Recommended semester |
BPEECS_2018 | Common courses | PV | 4 |
BEECS | Common courses | PV | 4 |
Page updated 6.11.2024 17:51:42, semester: Z/2025-6, Z/2024-5, L/2023-4, L/2024-5, Send comments about the content to the Administrators of the Academic Programs | Proposal and Realization: I. Halaška (K336), J. Novák (K336) |