Common-mode noise reduction with impedance balancing in DC-fed motor drives

Chen, Ruirui; Zhang, Zheyu; Ren, Ren; Niu, Jiahao; Gui, Handong; Wang, Fei; Tolbert, Leon M.; Costinett, Daniel J.; Blalock, Benjamin J.

doi:10.1109/APEC.2018.8341371

Common-mode noise reduction with impedance balancing in DC-fed motor drives

Conference · Wed Feb 28 23:00:00 EST 2018 · Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition (APEC)

DOI:https://doi.org/10.1109/APEC.2018.8341371· OSTI ID:1468919

Chen, Ruirui ^[1]; Zhang, Zheyu ^[1]; Ren, Ren ^[1]; Niu, Jiahao ^[1]; Gui, Handong ^[1]; Wang, Fei ^[2]; ^[2]; Costinett, Daniel J. ^[2]; Blalock, Benjamin J. ^[2]

The University of Tennessee, Knoxville
ORNL

Unlike conventional passive or active filters, an impedance balancing circuit reduces the common-mode (CM) electromagnetic interference (EMI) noise by establishing an impedance balancing bridge. The EMI noise can be significantly reduced when the impedance bridge is designed to be well balanced. This paper investigates impedance balancing circuits in Dc-fed motor drive systems where both DC input and AC output need to meet EMI standards and thus EMI filters are needed for both sides. An impedance balancing circuit is proposed to reduce both DC and AC side CM noise. Two auxiliary branches are added to the conventional passive filters to establish an impedance bridge and reduce CM noise. The design criteria are presented, and the impact of the proposed impedance balancing circuit on both sides CM noise are investigated. It shows that the proposed impedance balancing circuit can reduce DC side and AC side CM noise based on different mechanisms. The CM noise reduction performance of the proposed method does not depend on the motor and cable models. Experiment results are presented to demonstrate the feasibility and effectiveness of the proposed method.

Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-00OR22725

OSTI ID:: 1468919

Journal Information:: Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition (APEC), Journal Name: Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition (APEC) Vol. 2018; ISSN 1048-2334

Publisher:: IEEE

Country of Publication:: United States

Language:: English

References (10)

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EMI Reduction in DC-Fed Electric Drives by Active Common-Mode Compensator Di Piazza, Maria Carmela; Luna, Massimiliano; Vitale, Gianpaolo IEEE Transactions on Electromagnetic Compatibility, Vol. 56, Issue 5 https://doi.org/10.1109/TEMC.2014.2304836	journal	October 2014
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Analysis of CM Volt-Second Influence on CM Inductor Saturation and Design for Input EMI Filters in Three-Phase DC-Fed Motor Drive Systems No authors listed IEEE Transactions on Power Electronics, Vol. 25, Issue 7 https://doi.org/10.1109/TPEL.2010.2043541	journal	July 2010
An Active Cancellation Circuit for Reducing Electrical Noise from Three-Phase AC Motor Drivers No authors listed IEEE Transactions on Electromagnetic Compatibility, Vol. 56, Issue 1 https://doi.org/10.1109/TEMC.2013.2267801	journal	February 2014
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