A Wide Voltage Gain Bidirectional DC-DC Converter Based on Quasi Z-Source and Switched Capacitor Network

Avneet Kumar; Xiaogang Xiong; Xuewei Pan; Motiur Reza; Abdul R. Beig; Khaled Al Jaafari

doi:10.1109/TCSII.2020.3033048

A Wide Voltage Gain Bidirectional DC-DC Converter Based on Quasi Z-Source and Switched Capacitor Network

Avneet Kumar, Xiaogang Xiong, Xuewei Pan, Motiur Reza, Abdul R. Beig, Khaled Al Jaafari

Electrical Engineering

Harbin Institute of Technology

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

33 Scopus citations

Abstract

Bidirectional DC-DC converters are critical aspects of integrating energy storage units with hybrid electric vehicle. In this brief, a new bidirectional DC-DC converter is presented based on the quasi Z-source and switched capacitor network. The proposed converter can achieve higher voltage gain in a lower duty cycle as compared to existing converters reported in the literature. The proposed converter achieves high gain in low duty cycle range thus avoids the inductor core saturation problem in converters. In addition, the proposed converter exhibits lower voltage stress across capacitors. The proposed converter operation, steady-state analysis, voltage and current stress analysis are discussed along with comparative analysis is also presented. For validating the feasibility of the proposed converter, an simulation and experimental setup is designed.

Original language	British English
Article number	9236628
Pages (from-to)	1353-1357
Number of pages	5
Journal	IEEE Transactions on Circuits and Systems II: Express Briefs
Volume	68
Issue number	4
DOIs	https://doi.org/10.1109/TCSII.2020.3033048
State	Published - Apr 2021

Keywords

bidirectional
core saturation
low duty cycle
switched capacitor
Z-source

UN SDGs

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

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10.1109/TCSII.2020.3033048

Cite this

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title = "A Wide Voltage Gain Bidirectional DC-DC Converter Based on Quasi Z-Source and Switched Capacitor Network",

abstract = "Bidirectional DC-DC converters are critical aspects of integrating energy storage units with hybrid electric vehicle. In this brief, a new bidirectional DC-DC converter is presented based on the quasi Z-source and switched capacitor network. The proposed converter can achieve higher voltage gain in a lower duty cycle as compared to existing converters reported in the literature. The proposed converter achieves high gain in low duty cycle range thus avoids the inductor core saturation problem in converters. In addition, the proposed converter exhibits lower voltage stress across capacitors. The proposed converter operation, steady-state analysis, voltage and current stress analysis are discussed along with comparative analysis is also presented. For validating the feasibility of the proposed converter, an simulation and experimental setup is designed.",

keywords = "bidirectional, core saturation, low duty cycle, switched capacitor, Z-source",

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note = "Funding Information: Manuscript received September 25, 2020; accepted October 17, 2020. Date of publication October 22, 2020; date of current version March 26, 2021. This work was supported in part by Guangdong Province Basic and Applied Basic Research under Project 2019A1515110997, and in part by Shenzhen General Project under Grant JCYJ20190806145001754. This brief was recommended by Associate Editor X. Ruan. (Corresponding author: Xiaogang Xiong.) Avneet Kumar, Xiaogang Xiong, and Xuewei Pan are with the Department of Mechanical and Automation, Harbin Institute of Technology, Shenzhen 518100, China (e-mail: [email protected]; [email protected]; [email protected]). Publisher Copyright: {\textcopyright} 2004-2012 IEEE.",

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N1 - Funding Information: Manuscript received September 25, 2020; accepted October 17, 2020. Date of publication October 22, 2020; date of current version March 26, 2021. This work was supported in part by Guangdong Province Basic and Applied Basic Research under Project 2019A1515110997, and in part by Shenzhen General Project under Grant JCYJ20190806145001754. This brief was recommended by Associate Editor X. Ruan. (Corresponding author: Xiaogang Xiong.) Avneet Kumar, Xiaogang Xiong, and Xuewei Pan are with the Department of Mechanical and Automation, Harbin Institute of Technology, Shenzhen 518100, China (e-mail: [email protected]; [email protected]; [email protected]). Publisher Copyright: © 2004-2012 IEEE.

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N2 - Bidirectional DC-DC converters are critical aspects of integrating energy storage units with hybrid electric vehicle. In this brief, a new bidirectional DC-DC converter is presented based on the quasi Z-source and switched capacitor network. The proposed converter can achieve higher voltage gain in a lower duty cycle as compared to existing converters reported in the literature. The proposed converter achieves high gain in low duty cycle range thus avoids the inductor core saturation problem in converters. In addition, the proposed converter exhibits lower voltage stress across capacitors. The proposed converter operation, steady-state analysis, voltage and current stress analysis are discussed along with comparative analysis is also presented. For validating the feasibility of the proposed converter, an simulation and experimental setup is designed.

AB - Bidirectional DC-DC converters are critical aspects of integrating energy storage units with hybrid electric vehicle. In this brief, a new bidirectional DC-DC converter is presented based on the quasi Z-source and switched capacitor network. The proposed converter can achieve higher voltage gain in a lower duty cycle as compared to existing converters reported in the literature. The proposed converter achieves high gain in low duty cycle range thus avoids the inductor core saturation problem in converters. In addition, the proposed converter exhibits lower voltage stress across capacitors. The proposed converter operation, steady-state analysis, voltage and current stress analysis are discussed along with comparative analysis is also presented. For validating the feasibility of the proposed converter, an simulation and experimental setup is designed.

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A Wide Voltage Gain Bidirectional DC-DC Converter Based on Quasi Z-Source and Switched Capacitor Network

Abstract

Keywords

UN SDGs

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