A Novel Double-Line-Frequency Ripple Suppression Method for Single Phase DC-AC Converter Based on Three-Level Topology

Yanfei Huang; Yan Zhang; Xinying Li; Peng Fang; Jinjun Liu

doi:10.1109/PEDG.2018.8447872

A Novel Double-Line-Frequency Ripple Suppression Method for Single Phase DC-AC Converter Based on Three-Level Topology

Yanfei Huang, Yan Zhang, Xinying Li, Peng Fang, Jinjun Liu

Electrical Engineering

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

2 Scopus citations

Abstract

For single-phase DC-AC power conversion, power decoupling is always required due to the existence of double-line-frequency ripple caused by the instantaneous unbalanced power between AC and DC side. The typical power decoupling method utilizes a large electrolytic capacitor and consequently increases the passive components requirement. The active power decoupling scheme introduces an additional low power converter to compensate the ripple, which inevitably increases the system cost and control complexity. To overcome these drawbacks, this paper proposes a novel suppression method based on three-level topology. By optimizing the capacitance design and improved control algorithm, the instantaneous unbalanced power is dynamically redistributed between two series connected intermediate capacitors in order to make the capacitor voltage ripple complementary to each other. Thus the de-link voltage ripple can be reduced to a large extent. Simulation verifies the correctness and effectiveness of the new suppression method.

Original language	English (US)
Title of host publication	2018 9th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2018
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Print)	9781538667057
DOIs	https://doi.org/10.1109/PEDG.2018.8447872
State	Published - Aug 27 2018
Event	9th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2018 - Charlotte, United States Duration: Jun 25 2018 → Jun 28 2018

Publication series

Name	2018 9th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2018

Conference

Conference	9th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2018
Country/Territory	United States
City	Charlotte
Period	6/25/18 → 6/28/18

Bibliographical note

Funding Information:
This work was supported in part by the State Key Laboratory of Electrical Insulation and Power Equipment under the Grant EIPE16310 and Power Electronics Science and Education Development Program of Delta Environmental & Educational Foundation DREG2016010.

Publisher Copyright:
© 2018 IEEE.

Keywords

DC-AC Converter
Double-line-frequency Ripple Suppression
Power Decoupling Method

UN SDGs

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

Publisher link

10.1109/PEDG.2018.8447872

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Huang, Y., Zhang, Y., Li, X., Fang, P., & Liu, J. (2018). A Novel Double-Line-Frequency Ripple Suppression Method for Single Phase DC-AC Converter Based on Three-Level Topology. In 2018 9th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2018 [8447872] (2018 9th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2018). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/PEDG.2018.8447872

A Novel Double-Line-Frequency Ripple Suppression Method for Single Phase DC-AC Converter Based on Three-Level Topology. / Huang, Yanfei; Zhang, Yan; Li, Xinying et al.

2018 9th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2018. Institute of Electrical and Electronics Engineers Inc., 2018. 8447872 (2018 9th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2018).

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

Huang, Y, Zhang, Y, Li, X, Fang, P & Liu, J 2018, A Novel Double-Line-Frequency Ripple Suppression Method for Single Phase DC-AC Converter Based on Three-Level Topology. in 2018 9th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2018., 8447872, 2018 9th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2018, Institute of Electrical and Electronics Engineers Inc., 9th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2018, Charlotte, United States, 6/25/18. https://doi.org/10.1109/PEDG.2018.8447872

Huang Y, Zhang Y, Li X, Fang P, Liu J. A Novel Double-Line-Frequency Ripple Suppression Method for Single Phase DC-AC Converter Based on Three-Level Topology. In 2018 9th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2018. Institute of Electrical and Electronics Engineers Inc. 2018. 8447872. (2018 9th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2018). https://doi.org/10.1109/PEDG.2018.8447872

Huang, Yanfei ; Zhang, Yan ; Li, Xinying et al. / A Novel Double-Line-Frequency Ripple Suppression Method for Single Phase DC-AC Converter Based on Three-Level Topology. 2018 9th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2018. Institute of Electrical and Electronics Engineers Inc., 2018. (2018 9th IEEE International Symposium on Power Electronics for Distributed Generation Systems, PEDG 2018).

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abstract = "For single-phase DC-AC power conversion, power decoupling is always required due to the existence of double-line-frequency ripple caused by the instantaneous unbalanced power between AC and DC side. The typical power decoupling method utilizes a large electrolytic capacitor and consequently increases the passive components requirement. The active power decoupling scheme introduces an additional low power converter to compensate the ripple, which inevitably increases the system cost and control complexity. To overcome these drawbacks, this paper proposes a novel suppression method based on three-level topology. By optimizing the capacitance design and improved control algorithm, the instantaneous unbalanced power is dynamically redistributed between two series connected intermediate capacitors in order to make the capacitor voltage ripple complementary to each other. Thus the de-link voltage ripple can be reduced to a large extent. Simulation verifies the correctness and effectiveness of the new suppression method.",

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AU - Liu, Jinjun

N1 - Funding Information: This work was supported in part by the State Key Laboratory of Electrical Insulation and Power Equipment under the Grant EIPE16310 and Power Electronics Science and Education Development Program of Delta Environmental & Educational Foundation DREG2016010. Publisher Copyright: © 2018 IEEE.

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N2 - For single-phase DC-AC power conversion, power decoupling is always required due to the existence of double-line-frequency ripple caused by the instantaneous unbalanced power between AC and DC side. The typical power decoupling method utilizes a large electrolytic capacitor and consequently increases the passive components requirement. The active power decoupling scheme introduces an additional low power converter to compensate the ripple, which inevitably increases the system cost and control complexity. To overcome these drawbacks, this paper proposes a novel suppression method based on three-level topology. By optimizing the capacitance design and improved control algorithm, the instantaneous unbalanced power is dynamically redistributed between two series connected intermediate capacitors in order to make the capacitor voltage ripple complementary to each other. Thus the de-link voltage ripple can be reduced to a large extent. Simulation verifies the correctness and effectiveness of the new suppression method.

AB - For single-phase DC-AC power conversion, power decoupling is always required due to the existence of double-line-frequency ripple caused by the instantaneous unbalanced power between AC and DC side. The typical power decoupling method utilizes a large electrolytic capacitor and consequently increases the passive components requirement. The active power decoupling scheme introduces an additional low power converter to compensate the ripple, which inevitably increases the system cost and control complexity. To overcome these drawbacks, this paper proposes a novel suppression method based on three-level topology. By optimizing the capacitance design and improved control algorithm, the instantaneous unbalanced power is dynamically redistributed between two series connected intermediate capacitors in order to make the capacitor voltage ripple complementary to each other. Thus the de-link voltage ripple can be reduced to a large extent. Simulation verifies the correctness and effectiveness of the new suppression method.

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A Novel Double-Line-Frequency Ripple Suppression Method for Single Phase DC-AC Converter Based on Three-Level Topology

Abstract

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Bibliographical note

Keywords

UN SDGs

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