A novel two-phase interleaved parallel bi-directional DC/DC converter

• Autorzy: Zhang Baoge , Hong Deyu , Wang Tianpeng , Zhang Zhen , Wang Donghao

Identyfikatory

DOI

10.24425/aee.2021.136063

• Języki publikacji: EN

Abstrakty

EN

The energy storage system (ESS) is an important way to improve the power quality of renewable energy sources (such as solar energy and wind energy). A bi-directional DC/DC converter is an essential part of the ESS to achieve bi-directional energy transfer. According to the characteristics of the low-voltage gain and high-voltage stress of switches in the existing bi-directional DC/DC converter, this study proposes a novel two-phase interleaved parallel bi-directional DC/DC converter. The converter can effectively combine the advantages of a Z-source network and interleaved parallel structure. The working principle, the boost mode and buck mode of the converter are analyzed in detail. In addition, the voltage conversion ratios under the two modes are deduced. The control strategy of the two-phase interleaved parallel bi-directional DC/DC converter is introduced in detail. Furthermore, the main working waveforms of the system under each working mode are verified by building a simulation experiment model using MATLAB/Simulink. The simulation results show that the system has advantages of high-voltage gain, low-voltage stress of switches and automatic current sharing between inductors.

Słowa kluczowe

EN

bi-directional DC/DC converter; energy storage system; interleaved parallel structure; voltage stress; Z-source network

PL

przetwornik DC-DC dwukierunkowy; system magazynowania energii; przeplatana struktura równoległa; stres napięciowy; Sieć źródłowa Z

• Wydawca: Polish Academy of Sciences, Committee on Electrical Engineering
• Czasopismo: Archives of Electrical Engineering
• Rocznik: 2021
• Tom: Vol. 70, nr 1
• Strony: 219--231
• Opis fizyczny: Bibliogr. 19 poz., rys., tab., wz.

Twórcy

autor

Zhang Baoge

• Lanzhou Jiaotong University, China

autor

Hong Deyu

• Lanzhou Jiaotong University, China

autor

Wang Tianpeng

• Lanzhou Jiaotong University, China

autor

Zhang Zhen

• Lanzhou Jiaotong University, China

autor

Wang Donghao

• Lanzhou Jiaotong University, China

Bibliografia

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Uwagi

This research work is supported by National Natural Science Foundation of China (No. 61741508) and Foundation of A Hundred Youth Talents Training Program of Lanzhou Jiaotong University. We would like to thank the China Scholar ship Council for the financial support.

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).