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Research on Generalized State Space Average Model and Control Strategy for Triple Active Bridge DC-DC Converter
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Ke SHEN1, Wanxing WANG2, Dan ZHAO1
Journal of Power Supply | 2024, 22(5) : 161 - 169
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Journal of Power Supply | 2024, 22(5): 161-169
• Modeling and Control •
Research on Generalized State Space Average Model and Control Strategy for Triple Active Bridge DC-DC Converter
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Ke SHEN1, Wanxing WANG2, Dan ZHAO1
Affiliations
  • 1 School of Automation Northwestern Polytechnical University Xi'an 710072 China
  • 2 School of Electrical Engineering Xi'an Jiaotong University Xi'an 710049 China
Published: 2024-09-30 doi: 10.13234/j.issn.2095-2805.2024.5.161
Outline
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The triple active bridge(TAB) DC-DC converter based on the phase-shifting plus duty cycle control strategy has advantages such as a high efficiency and an expandable soft switching range. However, its small signal modeling process is complex, and the parameter setting of closed-loop control loop is difficult. To solve these problems, a full-orer continuous generalized state space average modeling and PI controller design method for TAB converter under phase-shifting plus duty cycle control is proposed. First, the operation principle and Y-type equivalent structure of the TAB converter are analyzed. Second, combined with the characteristics of phase-shifting plus duty cycle control and the equivalent method of AC square wave source, the generalized state space average model of the TAB converter is derived. Third, based on the derived model, the transfer function from input to output is obtained, and the parameters of PI controller are designed. Finally, the correctness and effectiveness of the proposed method were verified by digital simulations and prototype tests.

Generalized state space average model  /  isolated DC-DC converter  /  phase-shifting plus duty cycle control
Ke SHEN, Wanxing WANG, Dan ZHAO. Research on Generalized State Space Average Model and Control Strategy for Triple Active Bridge DC-DC Converter[J]. Journal of Power Supply, 2024 , 22 (5) : 161 -169 . DOI: 10.13234/j.issn.2095-2805.2024.5.161
Funding
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  • National Natural Science Foundation of China(52277199)
  • Key Research and Development Program of Shaanxi Province of China(2023-YBGY-377)
Appendix
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Year 2024 volume 22 Issue 5
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416
164
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Article Info
doi: 10.13234/j.issn.2095-2805.2024.5.161
  • Receive Date：2021-10-21
  • Online Date：2025-07-20
  • Published：2024-09-30
Article Data
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History
  • Received：2021-10-21
  • Revised：2021-12-14
  • Accepted：2022-01-18
Funding
National Natural Science Foundation of China(52277199)
Key Research and Development Program of Shaanxi Province of China(2023-YBGY-377)
Affiliations
    1 School of Automation Northwestern Polytechnical University Xi'an 710072 China
    2 School of Electrical Engineering Xi'an Jiaotong University Xi'an 710049 China
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表12种不同金属材料的力学参数
科
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Number of
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Number of
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Percentage of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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