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Ukončeno v akademickém roce 2021/2022

Electromagnetic Compatibility of Power Systems

Type of study Follow-up Master
Language of instruction Czech
Code 420-4019/02
Abbreviation EK
Course title Electromagnetic Compatibility of Power Systems
Credits 5
Coordinating department Department of Electrical Engineering
Course coordinator doc. Ing. Stanislav Kocman, Ph.D.

Osnova předmětu

Lectures:
Basic conception definitions. Special terminology. Standardization and legislation in the area of EMC
Kinds, sources and impacts of electromagnetic disturbance
Harmonics, harmonic analysis
Measurement and evaluation of harmonics
Sources and propagation of harmonics, negative influences of harmonics
Reverse influences of semiconductors convertors on mains
Passive filters of harmonics, filtration and power factor devices
Multi-pulses rectifiers, active filters
Standards with limits and compatibility levels of harmonics
Output filters at frequency convertor
Voltage characteristics of electricity
Voltage unbalance, impulse disturbances, protection against overvoltage
High-frequency disturbances, high-frequency filters
General principles of designing of power devices, systems and instalations from EMC point of view


Exercises:
Preliminary exercise, information about basic standards in EMC
Fourier analysis. Analyzers of mains
Analysis of non-harmonic current
Programm for harmonic analysis in mains. Individual project submission
LC series filter. Parallel resonance in network
Design of filtration and compensation device
Test. Network analysis and design of filtration devices for harmonic mitigation
Principles of designing of power devices, systems and instalations from EMC point of view: aplications, credit

Laboratories:
To get information about laboratory rules, presentation of measurement technique for measuring an evaluation of disturbances
Measuring and evaluation of harmonics of non-linear one phase appliances
Measuring and evaluation of harmonics of non-linear three phase appliances
Measuring on electrical drive with AC and DC reactors
Measuring and evaluation of harmonics using passive filter
Measuring and evaluation of harmonics of appliances with multi-pulses rectifiers
Measuring of effects of frequency converter and remedy devices on connected motor
Measuring and evaluation of voltage fluctuation, drop and unbalance

Projects:
1. Individual assignment of parameters of network and appliance. Design of harmonic reduction device and its parameters
2. Compilation of simulation circuit. Evaluation of harmonics in connection with standards in given points of the network

Povinná literatura

Subject syllabus on web sites of K 420: http//fei.vsb.cz/kat420
Wakileh, G.J.: Power Systems Harmonics.

Doporučená literatura

Fuchs, E.F., Masoum, M.A.S.: Power Quality in Power Systems and Electrical Machines.