Simplified four-level inverter-based dynamic voltage restorer with single DC power source

Jian Ye; Hoay Beng Gooi; Xinan Zhang; Benfei Wang; Josep Pou

doi:10.1109/ACCESS.2019.2941999

Simplified four-level inverter-based dynamic voltage restorer with single DC power source

Jian Ye, Hoay Beng Gooi, Xinan Zhang, Benfei Wang, Josep Pou

Electrical, Electronic and Computer Engineering

Research output: Contribution to journal › Article › peer-review

15 Citations (Scopus)

Abstract

This paper proposes a simplified four-level (S4L) inverter based dynamic voltage restorer (DVR). In the proposed configuration, the dual buck stage can output full, two thirds, and one third of dc link voltage. Including the zero voltage provided by the two-level inverter, the output of the proposed inverter can be four levels. With the same switching frequency, the S4L inverter based DVR achieves better performance than the existing two-level and three-level inverters based DVRs. Moreover, compared with the existing four-level inverter based DVRs, it requires less active switches/diodes and only requires a single DC power source. The experimental results are provided for the validation of the proposed system.

Original language	English
Article number	8840915
Pages (from-to)	137461-137471
Number of pages	11
Journal	IEEE Access
Volume	7
DOIs	https://doi.org/10.1109/ACCESS.2019.2941999
Publication status	Published - 3 Oct 2019

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10.1109/ACCESS.2019.2941999Licence: CC BY

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title = "Simplified four-level inverter-based dynamic voltage restorer with single DC power source",

abstract = "This paper proposes a simplified four-level (S4L) inverter based dynamic voltage restorer (DVR). In the proposed configuration, the dual buck stage can output full, two thirds, and one third of dc link voltage. Including the zero voltage provided by the two-level inverter, the output of the proposed inverter can be four levels. With the same switching frequency, the S4L inverter based DVR achieves better performance than the existing two-level and three-level inverters based DVRs. Moreover, compared with the existing four-level inverter based DVRs, it requires less active switches/diodes and only requires a single DC power source. The experimental results are provided for the validation of the proposed system.",

keywords = "Dynamic voltage restorer (DVR), simplified four-level (S4L) inverter, total harmonic distortion (THD), voltage sag",

author = "Jian Ye and Gooi, {Hoay Beng} and Xinan Zhang and Benfei Wang and Josep Pou",

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T1 - Simplified four-level inverter-based dynamic voltage restorer with single DC power source

AU - Ye, Jian

AU - Gooi, Hoay Beng

AU - Zhang, Xinan

AU - Wang, Benfei

AU - Pou, Josep

PY - 2019/10/3

Y1 - 2019/10/3

N2 - This paper proposes a simplified four-level (S4L) inverter based dynamic voltage restorer (DVR). In the proposed configuration, the dual buck stage can output full, two thirds, and one third of dc link voltage. Including the zero voltage provided by the two-level inverter, the output of the proposed inverter can be four levels. With the same switching frequency, the S4L inverter based DVR achieves better performance than the existing two-level and three-level inverters based DVRs. Moreover, compared with the existing four-level inverter based DVRs, it requires less active switches/diodes and only requires a single DC power source. The experimental results are provided for the validation of the proposed system.

AB - This paper proposes a simplified four-level (S4L) inverter based dynamic voltage restorer (DVR). In the proposed configuration, the dual buck stage can output full, two thirds, and one third of dc link voltage. Including the zero voltage provided by the two-level inverter, the output of the proposed inverter can be four levels. With the same switching frequency, the S4L inverter based DVR achieves better performance than the existing two-level and three-level inverters based DVRs. Moreover, compared with the existing four-level inverter based DVRs, it requires less active switches/diodes and only requires a single DC power source. The experimental results are provided for the validation of the proposed system.

KW - Dynamic voltage restorer (DVR)

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KW - total harmonic distortion (THD)

KW - voltage sag

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JO - IEEE Access

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Simplified four-level inverter-based dynamic voltage restorer with single DC power source

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