Electric Apparatus

Lecturer:

Tutor:

Supervisor:

Department of Electric Drives and Traction

Synopsis:

Introduction to electric apparatus. Switching AC and DC circuits. Basic theory and characteristics of arcs. Short term and long term switching arcs. Interaction between turn-off devices and switching circuits. Recovery voltage. Switching- off small inductive and capacitive currents. Switching arcs in various environments. Basic properties of switching and protection devices.

Requirements:

Syllabus of lectures:

1. Electric circuit contact switching

2. Low voltage switching devices

3. High voltage switching devices

4. Influence of the electric circuit on the switching process

5. Protecting in circuits of electric drives and power electronics

6. Solid State Switching

7. SW and HW protection in electronic systems

8. Logic control

9. Logic automats

10. Devices for modern installations

11. Principles of connecting of electic drive components

12. Electromagnetic copmpatibility of electric devices

13. Electric and electronic devices in cars

14. Testing of electric devices

Syllabus of tutorials:

1. Introduction, laboratory and security rules

2. Electric properties of air contactors

3. Mechanical properties of air contactors, pull characterictics

4. Vacuum contactor, mechanical and electrical properties

5. Simulation of recovered voltage

6. Measure of break characteristics of circuit breaker

7. Measure on the three-phase contactless switcher

8. Measure on the HW protection device

9. Contact less control systems

10. Intelligent relay control

11. Intelligent relay-PC coopreation

12. Use of SW PEROCERA for projecting of electrical devices

13. Measure on the switching unit of electronic ignition

14. Measure of fuse characteristics

Study Objective:

Study materials:

Literature will be specified by the lecturer

Note:

Further information:

No time-table has been prepared for this course

The course is a part of the following study plans:

• Silnoproudá elektrotechnika-bakalářský blok (compulsory course)
• Silnoproudá elektrotechnika-bakalářský blok (compulsory course)