Please use this identifier to cite or link to this item: https://doi.org/10.1109/PESC.2008.4592174
Title: Design of a current-sense voltage-feedback common mode EMI filter for an off-line power converter
Authors: Mainali, K.
Oruganti, R. 
Issue Date: 2008
Source: Mainali, K., Oruganti, R. (2008). Design of a current-sense voltage-feedback common mode EMI filter for an off-line power converter. PESC Record - IEEE Annual Power Electronics Specialists Conference : 1632-1638. ScholarBank@NUS Repository. https://doi.org/10.1109/PESC.2008.4592174
Abstract: This paper presents a study on the design and implementation of an active filter for reducing the common mode (CM) electromagnetic interference (EMI) noise suitable for off-line power converters. A current-sense voltage-feedback topology has been selected from those reported in literature. The selected topology has the advantage that its high frequency active noise compensation circuit is isolated from the mains. A simple feedback structure employing a high frequency linear amplifier and passive filter components has been designed. The major problem with active feedback filter is the stability of the feedback system, which is influenced by the parasitics of the circuit components. Special attention has been paid to both stability analysis and practical implementation of the filter. A prototype of the active CM filter has been built and tested. The analysis and the experimental results demonstrate the usefulness and limitations of such an active CM EMI filter. ©2008 IEEE.
Source Title: PESC Record - IEEE Annual Power Electronics Specialists Conference
URI: http://scholarbank.nus.edu.sg/handle/10635/69849
ISBN: 9781424416684
ISSN: 02759306
DOI: 10.1109/PESC.2008.4592174
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