Electromagnetic Compatibility of Power Systems

Lectures:
Basic conception definitions. Special terminology. Standardization and legislation in the area of EMC
Kinds of electromagnetic disturbance
Harmonics and their influence on electrical devices
Measurements and evaluation of harmonics
Sources and propagation of harmonics
Negative effects of harmonics, standards with harmonics levels
Reverse influences of semiconductors convertors on mains
Possibilities of harmonics reduction
Passive filters, multi-pulses rectifiers
Output filters at frequency convertor, active filters
Fluctuation, drops and interruption of voltage
Voltage unbalance, possibilities for its reduction
Impulse disturbances
High-frequency disturbances, high-frequency filters



Exercises:
Preliminary exercise, information about basic standards in EMC
Fourier analysis. Analysators of electric networks
Simulation programm EMTP-ATP
Simulation models in EMTP-ATP programm. Individual project submission
Programm for harmonic analyse
Design of harmonic filters
Final exercise, 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 and evaluation of harmonics of appliances with multi-pulses rectifiers
Measuring and evaluation of harmonics within using passive filter
Measuring and evaluation of voltage fluctuation, drop and unbalance
Measuring high-frequency disturbance

Projects:
Individual assignment of parameters of network and appliance
Design of harmonic reduction device and its parameters
Compilation of simulation circuit
Evaluation of harmonics in connection with standards