Fundamentals of Electrical Devices
Code | Completion | Credits | Range | Language |
---|---|---|---|---|
A0M14FZP | Z,ZK | 5 | 2+2L | Czech |
- Lecturer:
- Vladimír Novotný (gar.)
- Tutor:
- Vladimír Novotný (gar.)
- Supervisor:
- Department of Electric Drives and Traction
- Synopsis:
-
Switching arc in contact switching apparatus, environmental influence on arc property. Switching ability of switching devices. Electrical contacts. Protecting of electric circuits. Breaking of electric circuits under current limiting. Breaking of special electric circuits. Switching over voltage. Surge arresters, its properties, characteristics and application
- Requirements:
-
Activity on laboratory training, measurement remarks and measurement protocols
- Syllabus of lectures:
-
1.Physical fundamentals of switching arc
2.Switching arc theory
3.Short and long switching arc in circuit breakers
4.Switching arc in the air, oil, SF6. Vacuum switching arc
5.Circuit breaker breaking ability
6.Switching device and electrical circuit interaction
7.DC circuit breakers extinguishing chambers
8.AC circuit breakers extinguishing chambers
9.Fuse theory
10.Over-voltage limiting devices
11.Contact theory
12.Contact models
13.Special electric circuits breaking
14.Network switching conditions
- Syllabus of tutorials:
-
1.Laboratory rules, safety instructions
2.DC circuits breaking with contacts in series - part 1
3.DC circuits breaking with contacts in series - part 2
4.AC circuits breaking with air extinguishing chamber - part 1
5.AC circuits breaking with air extinguishing chamber - part 2
6.AC circuits breaking with vacuum extinguishing chamber - part 1
7.AC circuits breaking with vacuum extinguishing chamber - part 2
8.AC circuits interruption with current limiting - part 1
9.AC circuits interruption with current limiting - part 2
10.Fuses time-current characteristics measurement - part 1
11.Fuses time-current characteristics measurement - part 2
12.Over voltage protector limiting characteristics measurement - part 1
13.Over voltage protector limiting characteristics measurement - part 2
14.Final measurement, assement
- Study Objective:
- Study materials:
-
1.Flurscheim, C. H. Power circuit breaker theory and design. IEE 1985
2.Ragaller, A. Current interruption in HV networks. Mc Graw - Hill. 1978
- Note:
- Time-table for winter semester 2011/2012:
- Time-table is not available yet
- Time-table for summer semester 2011/2012:
- Time-table is not available yet
- The course is a part of the following study plans: