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IEEE Transactions on Industrial Electronics, 2022
Different from the conventional photovoltaic (PV) inverters, a three-phase PV solid-state transformer (SST) based on the cascaded H-bridge (CHB) topology can be regarded as consisting of three single-phase CHB inverters in essence. During the low-voltage ride through (LVRT), some phases of three-phase PV SST may inversely absorb active power from ac ...
Tao Zhao, Daolian Chen
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Different from the conventional photovoltaic (PV) inverters, a three-phase PV solid-state transformer (SST) based on the cascaded H-bridge (CHB) topology can be regarded as consisting of three single-phase CHB inverters in essence. During the low-voltage ride through (LVRT), some phases of three-phase PV SST may inversely absorb active power from ac ...
Tao Zhao, Daolian Chen
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Minimum Backflow Power and ZVS Design for Dual-Active-Bridge DC–DC Converters
IEEE Transactions on Industrial Electronics, 2023Fei Xu, Junwei Liu, Zheng Dong
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2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia), 2022
Fang Zhuo, Jiachen Tian
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Fang Zhuo, Jiachen Tian
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Optimal control of DAB converter backflow power based on phase-shifting strategy
Soft Computing, 2020In order to solve the problems such as high backflow power and current stress of bidirectional DC–DC converter under the traditional single phase-shifting control, an optimized dual phase-shifting control method is proposed. Compared with the conventional phase-shifting control, this method can not only reduce the loss of the converter but also ...
Jinhui Zeng +4 more
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Minimum Backflow Power Control of Bidirectional Isolated DC-DC Converters
2018 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), 2018Bidirectional dual-active-bridge (DAB) DC-DC converter with the conventional single-phase-shift (SPS) control may cause large circulating current and high current stress. To overcome these drawbacks, extended-phase-shift (EPS) control can be used in order to improve the efficiency.
Huiqing Wen, Lin Zheng
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Optimal Design Method of LLC Half-Bridge Resonant Converter Considering Backflow Power Analysis
IEEE Transactions on Industrial Electronics, 2022LLC half-bridge converters have been extensively studied in low power industrial applications. However, the phase shift angle between the voltage and current of the LLC resonant network makes the converter have power circulation, that is, backflow power. The increase of the backflow power will increase the converter conduction loss, which restricts the
Zhe Shi +4 more
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Electric Power Systems Research, 2020
Abstract Photovoltaic (PV) systems are subjected to lightning strikes that contribute to losing their sustainable electrification service. Furthermore, they are subjected to backflow lightning overvoltages due to the installation in high soil resistivity areas, however, such the study is not aforementioned well in the literature.
Nehmdoh A. Sabiha +5 more
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Abstract Photovoltaic (PV) systems are subjected to lightning strikes that contribute to losing their sustainable electrification service. Furthermore, they are subjected to backflow lightning overvoltages due to the installation in high soil resistivity areas, however, such the study is not aforementioned well in the literature.
Nehmdoh A. Sabiha +5 more
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Total Backflow Power Minimization for Dual Active Full Bridge DC-DC Converters in Parallel
2021 IEEE 12th Energy Conversion Congress & Exposition - Asia (ECCE-Asia), 2021Aimed at the input parallel and output parallel (IPOP) dual-active bridge (DAB) dc-dc converters, this paper proposes an unbalanced-power-distribution scheme (UPDS) that considers the practical parameter deviation between DAB converters for minimizing the total backflow power.
LinXiao Gong +5 more
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2025 IEEE 16th International Symposium on Power Electronics for Distributed Generation Systems (PEDG)
Dongxin Guo, Panbao Wang, Dianguo Xu
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Dongxin Guo, Panbao Wang, Dianguo Xu
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