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Anti-offset Method for WPT System Based on Constant-voltage Output Interval Tracking
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Wencong HUANG1, 2, Xuanyan JIANG1, 2, Yufang CHANG1, 2, Haidong TAN1, 2, Zhenhao ZHU1, 2
Journal of Power Supply | 2025, 23(2) : 179 - 187
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Journal of Power Supply | 2025, 23(2): 179-187
• Wireless Power Transfer •
Anti-offset Method for WPT System Based on Constant-voltage Output Interval Tracking
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Wencong HUANG1, 2, Xuanyan JIANG1, 2, Yufang CHANG1, 2, Haidong TAN1, 2, Zhenhao ZHU1, 2
Affiliations
  • 1 Hubei Key Laboratory for High-efficiency Utilization of Solar Energy and Operation Control of Energy Storage System (Hubei University of Technology), Wuhan 430068, China
  • 2 School of Electrical and Electronic Engineering, Hubei University of Technology, Wuhan 430068, China
Published: 2025-03-30 doi: 10.13234/j.issn.2095-2805.2025.2.179
Outline
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An anti-offset method for a wireless power transmission (WPT) system based on constant-voltage output interval tracking is proposed to deal with the problem of output voltage fluctuation when the coupling mechanism in the WPT system is shifted. First, a model of a CLC-S WPT system is established, and the relationship between the mutual inductance and output voltage gain in resonant and non-resonant states of the system is analyzed. Based on the analysis, it is found that the system has a stronger anti-offset capability in the constant-voltage output interval when it works in the non-resonant state. Second, an inductance compensation sequence is designed, and a constant-voltage output interval tracking control strategy is proposed to realize the constant output voltage control of the WPT system and improve its anti-offset capability. Finally, a simulation model and a test platform were built, and simulation and experimental results show that the constant-voltage output interval tracking control strategy can effectively reduce the output voltage fluctuation, thus verifying the robustness of the system under strong mutual inductance interference. Compared with the WPT system without constant-voltage output interval tracking, the CLC-S WPT system has a better dynamic regulation capability of output voltage.

Wireless power transmission (WPT)  /  CLC-S topology  /  constant-voltage output interval tracking  /  anti-offset
Wencong HUANG, Xuanyan JIANG, Yufang CHANG, Haidong TAN, Zhenhao ZHU. Anti-offset Method for WPT System Based on Constant-voltage Output Interval Tracking[J]. Journal of Power Supply, 2025 , 23 (2) : 179 -187 . DOI: 10.13234/j.issn.2095-2805.2025.2.179
Funding
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  • National Natural Science Foundation of China(61903129)
  • Hubei Students’ Platform for Innovation and Entrepreneurship Training Program(S202110500033)
Appendix
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Year 2025 volume 23 Issue 2
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415
165
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Article Info
doi: 10.13234/j.issn.2095-2805.2025.2.179
  • Receive Date：2022-06-08
  • Online Date：2025-07-09
  • Published：2025-03-30
Article Data
Affiliations
History
  • Received：2022-06-08
  • Revised：2022-10-22
  • Accepted：2022-11-22
Funding
National Natural Science Foundation of China(61903129)
Hubei Students’ Platform for Innovation and Entrepreneurship Training Program(S202110500033)
Affiliations
    1 Hubei Key Laboratory for High-efficiency Utilization of Solar Energy and Operation Control of Energy Storage System (Hubei University of Technology), Wuhan 430068, China
    2 School of Electrical and Electronic Engineering, Hubei University of Technology, Wuhan 430068, China
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