Subject description - BE1B14ZSP
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Explanatory Notes
Instructions
Anotation:
The course explains the principles of machines for convertsion of mechanical energy to electrical and back. It discusses the principles of basic functions and properties of rotating and non-rotating electric machines. Following the behavior of electrical machines are discussed basic devices for protection and switching, including behavioral and switching problems.
Course outlines:
| 1. | | Electric drive and its components. Principles and laws of electromechanical energy conversion. |
| 2. | | DC machines, principles, construction, basic characteristics. Dynamos and motors. |
| 3. | | Starting, speed control and braking. Common features of DC machines, commutation principles. |
| 4. | | Transformers, principles, construction, basic properties. Three-phase transformer winding connection. |
| 5. | | Basic operating conditions for parallel work of transformer. Rotating magnetic field and AC rotating machines. |
| 6. | | Asynchronous machines, principles, properties, applications. Single-phase induction motor. |
| 7. | | Synchronous generators, principle of operation and design. |
| 8. | | Introduction to electrical appliances. Fundamental phenomena in electrical equipment. |
| 9. | | Switching of DC high voltage circuits. Transient phenomena in DC circuits. |
| 10. | | Switching of high voltage AC circuits. Transient Phenomena in AC circuits. |
| 11. | | Switching surges in AC circuits HV and LV. Switching devices for low voltage circuits. |
| 12. | | Fuses for LV distribution networks, their characteristics and applications. |
| 13. | | The protection devices for LV distribution netoworks, RCD, surge arresters. |
| 14. | | Reserve |
Exercises outline:
| 1. | | Learning the laboratory, safety regulations, laboratory rules. |
| 2. | | Starting and reversing the DC motor. Speed and torque measurement. Calibration of speed-voltage generator. |
| 3. | | Separately excited DC motor - load characteristics. |
| 4. | | Speed control of separately excited DC motor. |
| 5. | | Transformer - no-load and short-circuit measurement, equivalent scheme. |
| 6. | | Induction motor - starting, torque characteristic. |
| 7. | | Synchronous generator - grid synchronization, characteristics. |
| 8. | | Control of electric machine by means of contactors - contactor combination circuits. |
| 9. | | Application of programmable relays in switchgear control circuits I. |
| 10. | | Application of programmable relays in switchgear control circuits II. |
| 11. | | Overload relay, tripping characteristics. |
| 12. | | V - A contactor characteristics. |
| 13. | | Measurement of current path warming. |
| 14. | | Additional measurements, credit. |
Literature:
| 1. | | CHAPMAN, Stephen J. Electric machinery fundamentals. 4th ed. New York, NY: McGraw-Hill Higher Education, c2005. |
| 2. | | SLADE, Paul G.. Electrical Contacts: Principles and Applications. 2nd ed. CRC Press, c2017 |
| 3. | | Flurscheim, C.H., Power Circuit Breaker, Theory and Design. IEE.1982 |
Requirements:
Active participation in laboratory exercises, proper documentation and processing of measurement results, submission of measurement reports
Subject is included into these academic programs:
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| Page updated 17.4.2025 17:51:21, semester: L/2024-5, Z/2026-7, L/2025-6, L/2026-7, Z/2025-6, Z/2024-5, Send comments about the content to the Administrators of the Academic Programs |
Proposal and Realization: I. Halaška (K336), J. Novák (K336) |