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Differential and Common Mode Conducted Emissions Measurement

By Michal Matýsek


This work deals with interfering signals and noises, possibilities of their measurement, their reduction and afterwards with design of LISN. The theoretical part analyzes formation of interfering signals, their types, with possible measuring instruments for each type of these signals and their properties. In framework of practical part LISN for long-term load of 5A, frequency range from 150 kHz to 30 MHz, with possibility to measure symmetrical and asymmetrical noise separately and also with possibility to switch to normal mode of LISN was developed. For better results LISN was realized as two stage LC filter

Topics: Line impedance stabilization network; Elektromagnetická interference; Asymetrické rušení; Differential mode noise; Common mode noise; Napájecí síť; Symetrické rušení; Umělá zátěž vedení; Electromagnetic interference; Power grid
Publisher: Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií
Year: 2015
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