Course detail

Electromagnetic Compatibility

FEKT-BEMCAcad. year: 2015/2016

Introduction to EMC, history, basic concepts and problems. EMI signal sources, natural and man-made EM environment, disturbing signals. Coupling mechanisms of EMI signals, arts of coupling, radiated emission. Filtering, isolation and suppression, EMI reduction techniques, EMC filters. EM shielding, shielding effectiveness, magnetic shielding, cable shield. EMI measurements, EMS testing, methods and instruments. EMC standards and regulations, international, national and military standards. Selected EMC problems. Practical training in EMC university test laboratory. Excurssion to the professional EMC test laboratories.

Learning outcomes of the course unit

The graduate is able (1) understand basic the fundamentals of EMC, basic concepts and problems of EMC. He or she is able to identify (2) EMI signal sources of disturbing signals, coupling mechanisms of EMI signals, arts of coupling, radiated emission. He or she is able to design (3) filtering, isolation and suppression of Emi signals. The graduate is able to use (4) techniques for EMI reduction, EMC filtering, EM shielding, shielding effectiveness, magnetic shielding and cable shield. The graduate is able to (5) provide EMI measurements, EMS testing and used methods and instruments according to EMC standards and regulations, international, national and military standards.

Prerequisites

The subject knowledge on the secondary school level is required.

Co-requisites

Not applicable.

Recommended optional programme components

Not applicable.

Recommended or required reading

DŘÍNOVSKÝ, J., FRÝZA, T., SVAČINA, J., KEJÍK, Z., RŮŽEK, V., ZACHAR, J. Elektromagnetická kompatibilita. MJ Servis s.r.o., Božetěchova 133, 612 00 Brno, ISBN: 978-80-214-4202-3 (CS)
VACULÍKOVÁ, P. aj. Elektromagnetická kompatibilita elektrotechnických systémů. GRADA Publishing, Praha 1998 (CS)
PAUL, C. R. Introduction to Electromagnetic Compatibility. John Wiley, New York 1992 (EN)
RODEWALD, A. Elektromagnetische Verträglichkeit - Grundlagen, Experimente, Praxis. Vieweg Verlag, Wiesbaden 1995 (DE)

Planned learning activities and teaching methods

Teaching methods include lectures, practical laboratories and and an excursion to the professional workplace.

Assesment methods and criteria linked to learning outcomes

Tests written during semester and laboratory exercises (30 points), final exam (70 points).

Language of instruction

Czech

Work placements

Not applicable.

Course curriculum

1. Introduction to EMC, history, basic concepts and problems.
2. EMI signal sources, natural and man-made EM environment, disturbing signals.
3. Coupling mechanisms of EMI signals, arts of coupling, radiated emission.
4. Filtering, isolation and suppression, EMI reduction techniques, EMC filters.
5. Surge protective devices noise filters. Gas discharge tubes, varistors, special Zennerovy diodes, PIN diodes.
6. EM shielding, shielding effectiveness, magnetic shielding, cable shield.
7. The shield coaxial cables. Coupling impedance cable shielding. Measurement of interference with dummy load LISN, with voltage and current probes.
8. Measurements with the absorobing clamps. Measurement of spurious signals by antennas. Types of antennas. Measurement in the open air, in shielded chambers.
9. Absorption anechoic chamber. Measuring receivers and spectrum analyzers. Peak, quasi-peak and mean value detection. Electromagnetic compatibility and testing. Criteria of elekctromanetic compatibility resistance technical equipment.
10. Simulation of interference on the supply of high-and low-energy broadband pulse, ESD, RF Field test of resistance. Special test chambers.
11. Standardization in the field of EMC. civilian and military standards. Czech and European standards EN, IEC.
12. Special EMC: protection and management of spectrum, EMC communication systems, medical EMC, automotive EMC.

Aims

The aim of the course is to make students familiar with the fundamentals of EMC, its history, basic concepts and problems. EMI signal sources, natural and man-made EM environment, disturbing signals. Coupling mechanisms of EMI signals, arts of coupling, radiated emission. Filtering, isolation and suppression, EMI reduction techniques, EMC filters. EM shielding, shielding effectiveness, magnetic shielding, cable shield. EMI measurements, EMS testing, methods and instruments. EMC standards and regulations, international, national and military standards. Selected EMC problems. Practical training in EMC test laboratory.

Specification of controlled education, way of implementation and compensation for absences

Evaluation of activities is specified by a regulation, which is issued by the lecturer responsible for the course annually.

Classification of course in study plans

  • Programme EEKR-B Bachelor's

    branch B-MET , 2. year of study, winter semester, 6 credits, optional interdisciplinary
    branch B-SEE , 2. year of study, winter semester, 6 credits, optional interdisciplinary
    branch B-TLI , 2. year of study, winter semester, 6 credits, optional specialized
    branch B-EST , 3. year of study, winter semester, 6 credits, optional specialized

  • Programme EEKR-CZV lifelong learning

    branch ET-CZV , 1. year of study, winter semester, 6 credits, optional specialized

Type of course unit

 

Lecture

39 hours, optionally

Teacher / Lecturer

The other activities

6 hours, compulsory

Teacher / Lecturer