RESEARCH ON TOPOLOGY AND CONTROL STRATEGY OF HIGH-GAIN THREE-PORT DC-DC CONVERTER

Lin Guoqing; Zhang Junyuan; Zeng Wei

doi:10.19912/j.0254-0096.tynxb.2023-1366

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Acta Energiae Solaris Sinica ›› 2024, Vol. 45 ›› Issue (12) : 57-66. DOI: 10.19912/j.0254-0096.tynxb.2023-1366

RESEARCH ON TOPOLOGY AND CONTROL STRATEGY OF HIGH-GAIN THREE-PORT DC-DC CONVERTER

Lin Guoqing, Zhang Junyuan, Zeng Wei

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Abstract

In view of the problems of low output voltage and large environmental impact in new energy renewable systems such as photovoltaic power generation, this paper proposes a novel high-gain three-port DC-DC converter topology and control strategy. The three ports of this converter are connected to the photovoltaic power generation end, the energy storage port end, and the load end, respectively. It has advantages of low switch device stress, flexible power allocation among input sources, and sirong excitation energy recovery ability of the coupled inductor. The operating principles and steady-state conditions of the converter in various operating modes are analyzed in detail, and the performances of the circuit topology are compared with those of similar converters. According to the control requirements of the optical storage and power supply system and the power flow of the converter under different working conditions, the corresponding mode operation and switching control strategy are studied. A 300 W prototype is built for validation, and the results of the validation demonstrate the feasibility of the proposed structure.

Key words

DC-DC converters / energy management / multiple-input / high gain / photovoltaic power generation / mode switching

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Lin Guoqing, Zhang Junyuan, Zeng Wei. RESEARCH ON TOPOLOGY AND CONTROL STRATEGY OF HIGH-GAIN THREE-PORT DC-DC CONVERTER[J]. Acta Energiae Solaris Sinica. 2024, 45(12): 57-66 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1366

References

[1] 王青, 江华, 李嘉彤, 等. 中国及全球光伏产业发展形势分析[J]. 太阳能, 2022(11): 5-10.
WANG Q, JIANG H, LI J T, et al.Analysis on the development situation of China and global PV industry[J]. Solar energy, 2022(11): 5-10.
[2] CHANDRASEKAR B, NALLAPERUMAL C, PADMANABAN S, et al.Non-isolated high-gain triple port DC-DC buck-boost converter with positive output voltage for photovoltaic applications[J]. IEEE access, 2020, 8: 113649-113666.
[3] 张民, 袁成功, 薛鹏飞, 等. 高增益耦合电感DC-DC变换器及其稳定性控制[J]. 太阳能学报, 2023, 44(7): 198-206.
ZHANG M, YUAN C G, XUE P F, et al.High-gain coupled inductor DC-DC converter and stability control[J]. Acta energiae solaris sinica, 2023, 44(7): 198-206.
[4] 王凤莲, 周明珠, 曹益畅, 等. 集成倍压电路的准Z源软开关变换器稳态研究[J]. 太阳能学报, 2023, 44(5): 139-145.
WANG F L, ZHOU M Z, CAO Y C, et al.Steady study on quasi-Z-source soft-switching converter with integrated doubled circuit[J]. Acta energiae solaris sinica, 2023, 44(5): 139-145.
[5] 李洪珠, 程利弘, 魏昕, 等. 耦合电感倍压解耦磁集成高电压增益变换器[J]. 电工技术学报, 2023, 38(6): 1584-1595.
LI H Z, CHENG L H, WEI X, et al.Coupled inductance voltage doubling decoupling magnetic integrated high voltage gain converter[J]. Transactions of China Electrotechnical Society, 2023, 38(6): 1584-1595.
[6] 王杉杉, 高明, 石健将. 一种应用于航天器分布式供电系统的ZVS三端口DC-DC变换器[J]. 太阳能学报, 2023, 44(4): 384-392.
WANG S S, GAO M, SHI J J.A ZVS three-port DC-DC converter of distributed power supply system applied in spacecraft[J]. Acta energiae solaris sinica, 2023, 44(4): 384-392.
[7] LIANG T J, LIAO K F, CHEN K H, et al.Three-port converter with single coupled inductor for high step-up applications[J]. IEEE transactions on power electronics, 2022, 37(8): 9840-9849.
[8] MONTEIRO V, PINTO J G, AFONSO J L.Experimental validation of a three-port integrated topology to interface electric vehicles and renewables with the electrical grid[J]. IEEE transactions on industrial informatics, 2018, 14(6): 2364-2374.
[9] 张怡, 谢俊峰, 刘飞龙, 等. 三端口LLC谐振型变换器研究[J]. 太阳能学报, 2022, 43(2): 113-119.
ZHANG Y, XIE J F, LIU F L, et al.Research on three port LLC resonant converter[J]. Acta energiae solaris sinica, 2022, 43(2): 113-119.
[10] 年珩, 叶余桦. 三端口隔离双向DC-DC变换器模型预测控制技术[J]. 电工技术学报, 2020, 35(16): 3478-3488.
NIAN H, YE Y H.Model predictive control of three-port isolated bidirectional DC-DC converter[J]. Transactions of China Electrotechnical Society, 2020, 35(16): 3478-3488.
[11] BAYAT P, BAGHRAMIAN A.Partly isolated three-port DC-DC converter based on impedance network[J]. IET power electronics, 2020, 13(11): 2175-2193.
[12] AHRABI R R, ARDI H, ELMI M, et al.A novel step-up multiinput DC-DC converter for hybrid electric vehicles application[J]. IEEE transactions on power electronics, 2017, 32(5): 3549-3561.
[13] 刘俊峰, 胡仁俊, 曾君. 具备高增益的非隔离三端口变换器[J]. 电工技术学报, 2019, 34(3): 529-538.
LIU J F, HU R J, ZENG J.A non-isolated three-port converter with high-voltage gain[J]. Transactions of China Electrotechnical Society, 2019, 34(3): 529-538.
[14] ZHU B X, HUANG Y, HU S S, et al.A multi-operating mode multi-port DC/DC converter with high step-up voltage gain[C]//2020 IEEE 9th International Power Electronics and Motion Control Conference (IPEMC2020-ECCE Asia). Nanjing, China, 2020: 2877-2881.
[15] FARAJI R, FARZANEHFARD H.Fully soft-switched multiport DC-DC converter with high integration[J]. IEEE transactions on power electronics, 2021, 36(2): 1901-1908.
[16] TAHERI S M, BAGHRAMIAN A, POURSEYEDI S A.A novel high-step-up SEPIC-based nonisolated three-port DC-DC converter proper for renewable energy applications[J]. IEEE transactions on industrial electronics, 2023, 70(10): 10114-10122.