Electrical Apparatuses II
| Type of study | Follow-up Master |
|---|---|
| Language of instruction | English |
| Code | 410-4119/02 |
| Abbreviation | ELP2 |
| Course title | Electrical Apparatuses II |
| Credits | 6 |
| Coordinating department | Department of Electrical Power Engineering |
| Course coordinator | doc. Ing. Petr Kačor, Ph.D. |
Subject syllabus
Lectures:
1.Transients effects and their influences to design and operation of electric apparatus
2.Protection of electric circuits, fuses, circuit-breakers, current limiting function, I2t let-through energy
3.Fuse - basic design, operation, time interval of electric arc burning, extinquishing of electric arc
4.Circuit Breakers - basic design, operation, tripping units, electromagnetic trip
5.Contactors - basic design, operation, life cycle, basic wiring of electric circuits with contactors
6.Selectivity, protection, setting of protection units
7.Conductors - conductors design, skin-effect, DC and AC resistance
8.Electrical contacts - basic design, basic types of contacts, used materials
9.Electromagnet - design, energy converter
10.DC and AC electromagnet - static and transient force characteristic
11.Separators, electromagnetic holders, permanet magnets
Exercises:
Basic design of contacts of switching aparatus
Basic design and computing of DC electromagnet
Final Test
Laboratories:
Measurement of thermal trip of low voltage circuit breaker
Measurement of temperature rise of low voltage circuit breaker
Measurement of let-through energy of low voltage circuit breaker
Measurement and wiring of electrical contactors
Projects:
Calculation of the contact system of an MV switch.
Design of DC shell electromagnet.
1.Transients effects and their influences to design and operation of electric apparatus
2.Protection of electric circuits, fuses, circuit-breakers, current limiting function, I2t let-through energy
3.Fuse - basic design, operation, time interval of electric arc burning, extinquishing of electric arc
4.Circuit Breakers - basic design, operation, tripping units, electromagnetic trip
5.Contactors - basic design, operation, life cycle, basic wiring of electric circuits with contactors
6.Selectivity, protection, setting of protection units
7.Conductors - conductors design, skin-effect, DC and AC resistance
8.Electrical contacts - basic design, basic types of contacts, used materials
9.Electromagnet - design, energy converter
10.DC and AC electromagnet - static and transient force characteristic
11.Separators, electromagnetic holders, permanet magnets
Exercises:
Basic design of contacts of switching aparatus
Basic design and computing of DC electromagnet
Final Test
Laboratories:
Measurement of thermal trip of low voltage circuit breaker
Measurement of temperature rise of low voltage circuit breaker
Measurement of let-through energy of low voltage circuit breaker
Measurement and wiring of electrical contactors
Projects:
Calculation of the contact system of an MV switch.
Design of DC shell electromagnet.
E-learning
Consultation through MS Teams.
Literature
1. Mason, J.R.: Switch engineering handbook, New York, 1993
2. Slade, P. G. - Electrical Contacts, CRC Press, 1999, ISBN: 0824719344
3. Flurscheim, Ch. H. - Power Circuit Breaker Theory and Design, IEE, 1982, ISBN: 0906048702
4. Nakanishi - Switching Phenomena in High-Voltage Circuit Breakers, CRC Press, 1991, ISBN: 0824785436
5. Tajev, I.S.: Električeskije apparaty, Moskva, Energija 1977
2. Slade, P. G. - Electrical Contacts, CRC Press, 1999, ISBN: 0824719344
3. Flurscheim, Ch. H. - Power Circuit Breaker Theory and Design, IEE, 1982, ISBN: 0906048702
4. Nakanishi - Switching Phenomena in High-Voltage Circuit Breakers, CRC Press, 1991, ISBN: 0824785436
5. Tajev, I.S.: Električeskije apparaty, Moskva, Energija 1977