Balanced Technique for Common Mode EMI Suppression in Transformer-less PV Systems

Qiang Lin; Shuaitao Zhang; Baihua Zhang; Masahito Shoyama

doi:10.1109/IPEMC-ECCEAsia48364.2020.9368002

Balanced Technique for Common Mode EMI Suppression in Transformer-less PV Systems

Qiang Lin, Shuaitao Zhang, Baihua Zhang, Masahito Shoyama

Applied Energy Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

In photovoltaic (PV) applications, it is possible to remove the transformer to reduce the losses, costs, and size. However, the conducted noise issue occurs. The conducted noise emission introduces interference to other circuits and therefore should be reduced. Conducted EMI generation mechanism in a single-phase photovoltaic system is evaluated. A balanced noise reduction method is utilized for noise reduction. The consequent of utilizing the balanced technique on the boost converter and the whole PV system are investigated, respectively. Comparing with using a noise filter, the balanced method could suppress the conducted noise from 150 kHz to 30 MHz and especially have a good performance on the high-frequency range. The analysis is verified by experiment.

Original language	English
Title of host publication	2020 IEEE 9th International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1900-1904
Number of pages	5
ISBN (Electronic)	9781728153018
DOIs	https://doi.org/10.1109/IPEMC-ECCEAsia48364.2020.9368002
Publication status	Published - Nov 29 2020
Event	9th IEEE International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia - Nanjing, China Duration: Nov 29 2020 → Dec 2 2020

Publication series

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

Conference

Conference	9th IEEE International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia
Country/Territory	China
City	Nanjing
Period	11/29/20 → 12/2/20

All Science Journal Classification (ASJC) codes

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

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1109/IPEMC-ECCEAsia48364.2020.9368002

Cite this

Lin, Q., Zhang, S., Zhang, B., & Shoyama, M. (2020). Balanced Technique for Common Mode EMI Suppression in Transformer-less PV Systems. In 2020 IEEE 9th International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia (pp. 1900-1904). [9368002] (2020 IEEE 9th International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IPEMC-ECCEAsia48364.2020.9368002

Balanced Technique for Common Mode EMI Suppression in Transformer-less PV Systems. / Lin, Qiang; Zhang, Shuaitao; Zhang, Baihua et al.
2020 IEEE 9th International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia. Institute of Electrical and Electronics Engineers Inc., 2020. p. 1900-1904 9368002 (2020 IEEE 9th International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Lin, Q, Zhang, S, Zhang, B & Shoyama, M 2020, Balanced Technique for Common Mode EMI Suppression in Transformer-less PV Systems. in 2020 IEEE 9th International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia., 9368002, 2020 IEEE 9th International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia, Institute of Electrical and Electronics Engineers Inc., pp. 1900-1904, 9th IEEE International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia, Nanjing, China, 11/29/20. https://doi.org/10.1109/IPEMC-ECCEAsia48364.2020.9368002

Lin Q, Zhang S, Zhang B, Shoyama M. Balanced Technique for Common Mode EMI Suppression in Transformer-less PV Systems. In 2020 IEEE 9th International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia. Institute of Electrical and Electronics Engineers Inc. 2020. p. 1900-1904. 9368002. (2020 IEEE 9th International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia). doi: 10.1109/IPEMC-ECCEAsia48364.2020.9368002

Lin, Qiang ; Zhang, Shuaitao ; Zhang, Baihua et al. / Balanced Technique for Common Mode EMI Suppression in Transformer-less PV Systems. 2020 IEEE 9th International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia. Institute of Electrical and Electronics Engineers Inc., 2020. pp. 1900-1904 (2020 IEEE 9th International Power Electronics and Motion Control Conference, IPEMC 2020 ECCE Asia).

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abstract = "In photovoltaic (PV) applications, it is possible to remove the transformer to reduce the losses, costs, and size. However, the conducted noise issue occurs. The conducted noise emission introduces interference to other circuits and therefore should be reduced. Conducted EMI generation mechanism in a single-phase photovoltaic system is evaluated. A balanced noise reduction method is utilized for noise reduction. The consequent of utilizing the balanced technique on the boost converter and the whole PV system are investigated, respectively. Comparing with using a noise filter, the balanced method could suppress the conducted noise from 150 kHz to 30 MHz and especially have a good performance on the high-frequency range. The analysis is verified by experiment.",

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AB - In photovoltaic (PV) applications, it is possible to remove the transformer to reduce the losses, costs, and size. However, the conducted noise issue occurs. The conducted noise emission introduces interference to other circuits and therefore should be reduced. Conducted EMI generation mechanism in a single-phase photovoltaic system is evaluated. A balanced noise reduction method is utilized for noise reduction. The consequent of utilizing the balanced technique on the boost converter and the whole PV system are investigated, respectively. Comparing with using a noise filter, the balanced method could suppress the conducted noise from 150 kHz to 30 MHz and especially have a good performance on the high-frequency range. The analysis is verified by experiment.

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Balanced Technique for Common Mode EMI Suppression in Transformer-less PV Systems

Abstract

Publication series

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All Science Journal Classification (ASJC) codes

UN SDGs

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