Asian Transactions on Fundamentals of Electronics, Communication & Multimedia

Volume: 03, Issue: 02, May 2013
ISSN 2221-4305


Title: EMC INVERTER EFFECTS WITHIN ISM 2.4 GHZ SHORT-RANGE RADIO FREQUENCY BAND
Author(s): Amir Hadžimehmedoviæ, Mario Pejdanoviæ, Vlado Madžareviæ and Jasna Hivziefendiæ
Paper ID: ATFECM-60324027
Pages: 1 - 6
Abstract: Due to raising popularity of renewable and hybrid grid tied power systems as well as commercialization of photovoltaic in residential market, power electronics is more widely used in preparation of grid parameters due to better performance during disturbances as well as reduced cost in maintenance and better failure predictions in large wind farm systems. Unfortunately, due to the switching nature of semiconductors, wave forms generated within 2.4 GHz ISM band can have significant impact on performance of such communication systems up to a point disabling them completely. Electromagnetic compatibility is mostly achieved by addressing the EMI source through techniques in the secondary environment, such as shielding and filtering but modern approach requires analysis and avoidance measure during component design phase. First, the model developed in Matlab was implemented at system power switching frequency with modifications for high frequency sampling and storage of data. The half-bridge and full-bridge inverter have been analyzed by using the developed model for up to 5 GHz sampling frequency of the output parameters in order to yield results for the targeted frequency within one period of base device frequency. Results are only presented in a narrow targeted frequency band due to limits of current software tools and the size of the sampled data.

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