Návrh stínicí stěny pro elektromagnetickou odolnost
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Date
2020-10-9
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Abstract
Tato práce obsahuje problematiku testování elektromagnetické kompatibility. Konkrétně se jedná o testování elektromagnetické odolnosti proti vyzařovanému vysokofrekvenčnímu elektromagnetickému poli. Součástí práce je i teoretický rozbor šíření elektromagnetického záření a teorie bezodrazových komor včetně materiálů pohlcujících elektromagnetické záření. Jsou popsány dále použité konkrétní absorbéry. Pro splnění požadavků normy ČSN-EN-61000-4-3 bylo navrhnuto a vytvořeno měřicí pracoviště. Pro návrh a optimalizaci měřicího pracoviště posloužily simulace v programu Comsol Multiphysics. Tyto simulace byly následně porovnány s reálnými měřeními. Měření i simulace proběhly s bikonickou i logaritmicko periodickou anténou ve vertikální i horizontální polarizaci. Výsledné konfigurace se liší v umístění antény
This thesis deals with electromagnetic compatibility testing. Specifically deals with radiated high-frequency electromagnetic field immunity testing. The thesis also includes a theoretical analysis of the propagation of electromagnetic radiation and the theory of anechoic chambers, including materials absorbing electromagnetic radiation. The specific absorbers description is included. To meet the requirements of the ČSN-EN-61000-4-3 standard, a measuring workplace was designed and created. Simulations in the software Comsol Multiphysics were used to design and optimize the measuring workplace. These simulations were then compared with real measurements. Measurements and simulations were performed with biconical and logarithmic periodic antennas in vertical and horizontal polarization. The result configurations differ in the location of the antenna.
This thesis deals with electromagnetic compatibility testing. Specifically deals with radiated high-frequency electromagnetic field immunity testing. The thesis also includes a theoretical analysis of the propagation of electromagnetic radiation and the theory of anechoic chambers, including materials absorbing electromagnetic radiation. The specific absorbers description is included. To meet the requirements of the ČSN-EN-61000-4-3 standard, a measuring workplace was designed and created. Simulations in the software Comsol Multiphysics were used to design and optimize the measuring workplace. These simulations were then compared with real measurements. Measurements and simulations were performed with biconical and logarithmic periodic antennas in vertical and horizontal polarization. The result configurations differ in the location of the antenna.
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EMC, elektromagnetická kompatibilita, elektromagnetická odolnost, norma, vyzařované elektromagnetické pole, bezodrazová komora, absorbér, Comsol, EMC, electromagnetic compatibility, electromagnetic imunnity, standard, radiated electromagnetic field, anechoic chamber, absorber, Comsol