Subject description - AE1M14SP2
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Explanatory Notes
Instructions
Anotation:
Contacts and semiconductor switching apparatus in LV networks. Basic topology of 3-phase switches and power load of its components. Power switches and systems with progressive semiconductor devices and its control circuits. Protective circuits of semiconductor switching devices. Electric apparatus testing. Continue. Fundamentals of general theory of electric machine. Magnetic field. Fundamentals of commutation. Transformer, efficiency, volt drop. Transient phenomena - switch to the network, cut-off. Mathematical model of synchronous and induction machine. Rotating magnetic field. Induction machine, starting and speed control. Magnetic field harmonics and their influence. Single-phase induction motor. Operation of the synchronous machine on the network. Torque, stability, overload capacity. Transient phenomena, cut-off
Course outlines:
1. | | Low voltage contacts switching apparatus properties and application ability. |
2. | | Components of semiconductor switching devices. |
3. | | Single- phase semiconductor switches with thyristors and GTO thyristors, control circuits. |
4. | | Semiconductor switches with bipolar, MOS and IGBT transistors and its control circuits. |
5. | | Three- phase semiconductor switches topology, components voltage and current dimensioning |
6. | | Softstarters, semiconductor switches protecting circuits. |
7. | | Electrical apparatus testing. |
8. | | Principles of electromechanical energy conversion. Theorie of general electric machine, mathematical model |
9. | | Magnetic field. Fundamentals of DC machine commutation. Armature reaction |
10. | | Winding of AC rotating machines, rotating magnetic field |
11. | | Starting and speed control of induction machine. Single-phase induction motor |
12. | | Mathematical model of the synchronous and induction machine, d,q,0-transformation |
13. | | Operation of the synchronous machine to the network, torque, stability, overload capacity |
14. | | Transient phenomena of synchronous generator, cut-off |
Exercises outline:
Lab- exercises can be united to two session blocks.
1. | | Organization of lab exercises, work safety in the lab, laboratory rules, first tasks preparation. |
2. | | Relay breaking properties in LV DC circuit. |
3. | | Fuses current limiting characteristics measurement. |
4. | | Residual current circuit breaker breaking characteristics measurement. |
5. | | Dynamic making and breaking characteristics of IGBT switch measurement. |
6. | | Switching characteristics of single-phase zero crossing switch measurement. |
7. | | A single-phase thyristor and triacs switch control circuit application. |
8. | | Magnetic field in the air gap of DC machine. No-load characteristic |
9. | | Three-transformer winding connection, vector angle |
10. | | Determination of an induction motor parameters by the measurement |
11. | | Induction motor loading, circle diagram |
12. | | No load- and short circle measuring of a synchronous machine |
13. | | Determination of a synchronous machine model parameters by the measurement |
14. | | Corrective measurments, evaluation of measure protocols. Credit |
Literature:
1. | | Chapman, S. J. Electric Machinery fundamentals. McGraw-Hill, Inc.. 1985 |
2. | | Flurscheim, C.,H., Power Circuit Breaker, Theory and Design. IEE.1982 |
3. | | Slade,G.,P.: Electrical Contacts, Principles and Applications, Marcel Dekker,Inc. |
NewYork 1999
Requirements:
Active participation on laboratory measurement, document administration in due form, measure result processing, submit of test reports
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Page updated 19.4.2024 12:51:18, semester: Z,L/2023-4, Z/2024-5, Send comments about the content to the Administrators of the Academic Programs |
Proposal and Realization: I. Halaška (K336), J. Novák (K336) |