Analysis and Improvement of Impedance Balancing Technique for Common Mode Noise Mitigation

Shuaitao Zhang, Qiang Lin, Baihua Zhang, Masahito Shoyama, Eiji Takegami

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

As an effective method to reduce the Common Mode (CM) Electromagnetic Interference (EMI) noise, the impedance balancing technique is utilized in different converters. In theory, this balancing technique could reduce the noise to zero. However, the practical result is not stable and suffered from challenges like the noise peak at high frequency. Based on a conventional boost converter, this paper introduces an accurate noise modeling method by identifying the noise source and propagation paths. The influence of high-frequency voltage ringing is also taken into consideration to improve the accuracy of this noise model. Then the modeling method is utilized to analyze the impedance balancing technique. Based on the noise expressions and the impedance information, the degree of noise source attenuation is investigated properly. In addition, this model helps to redesign the parameters of the balanced arms in quantitative. The optimized scheme improves performance effectively and avoids the noise peak problem. Experimental results are presented to demonstrate the feasibility and effectiveness of the proposed schemes.

Original languageEnglish
Title of host publication2020 IEEE 9th International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages3366-3372
Number of pages7
ISBN (Electronic)9781728153018
DOIs
Publication statusPublished - Nov 29 2020
Event9th IEEE International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia - Nanjing, China
Duration: Nov 29 2020Dec 2 2020

Publication series

Name2020 IEEE 9th International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia

Conference

Conference9th IEEE International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia
CountryChina
CityNanjing
Period11/29/2012/2/20

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering
  • Control and Optimization

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