Electromagnetic Compatibility

Lecturer:

Tutor:

Supervisor:

Department of Electric Drives and Traction

Synopsis:

Interference sources. Power line and telecommunication interference. Coupling factors conductive, magnetic and capacitive. Grounding and screening. Protective components. Power electronic converters as interference sources. Overvoltage on machine terminals. Reactive power compensation. Harmonics filtration. Resonance phenomena in networks.

Requirements:

Syllabus of lectures:

1. Introduction. Power line and communication interference

2. Interference sources. Coupling factors

3. Reduction of coupling factors. Grounding and screening

4. Protective components. Chokes, capacitors, filters

5. Three-phase controlled bridge as interference source

6. Interference by transients in three-phase controlled bridge

7. Half-controlled bridge. Transfer of harmonics by a transformer

8. AC phase voltage converter current harmonics

9. Resonance phenomena between capacitors and network

10. Over-voltage phenomena caused by IGBT converters

11. Compatibility of pulse controlled rectifier

12. Reactive power compensation and controlled compensation stations

13. Harmonic filtration. Parallel and series resonance with a network

14. Active filtration and compensation

Syllabus of tutorials:

1. Introduction. Organization. Safety in lab., measurement on power devices

2. Influence of circuit parameters on current shape in three phase six-pulse bridge

3. Influence of circuit parameters on current shape in three phase six-pulse bridge

4. Influence of capacitor in DC side of single-phase bridge rectifier

5. Influence of capacitor in DC side of single-phase bridge rectifier

6. Excursion

7. Properties of thyristor controlled inductance

8. Work of filtering and compensating station

9. Excursion

10. Compensating circuit. Design of compensating station

11. Using harmonics analyzer. Practice in network measuring

12. Checking of the compensating station design. Measurement correction

13. Checking of the compensating station design. Measurement correction

14. Measurement correction. Assessment

Study Objective:

Study materials:

1.Benda, S.: Interference-free electronics. Chartwell-Bratt Ltd., 1995

2.Next 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:

• Elektrické stroje, přístroje a pohony-inženýrský blok (compulsory course)
• Elektrické stroje, přístroje a pohony-inženýrský blok (compulsory course)