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Research on Constant-current and Constant-voltage Dual-output WPT System
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Xuebin ZHOU1, Kangshuai DONG2, Lin YANG2
Journal of Power Supply | 2026, 24(3) : 259 - 269
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Journal of Power Supply | 2026, 24(3): 259-269
• Wireless Power Transfer •
Research on Constant-current and Constant-voltage Dual-output WPT System
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Xuebin ZHOU1, Kangshuai DONG2, Lin YANG2
Affiliations
  • 1.College of Intelligent Manufacturing, Hunan University of Science and Engineering, Yongzhou 425199, China
  • 2.College of Electronic and Electrical Engineering, Henan Normal University, Xinxiang 453007, China
Published: 2026-03-30 doi: 10.13234/j.issn.2095-2805.2026.3.259
Outline
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To solve the problems in most dual-output wireless power transfer (WPT) systems such as unnecessary cross-coupling, low space utilization and requirement for additional compensation components, the circuit decoupling method was used to establish a constant-current and constant-voltage dual-output WPT system, which can realize load-independent constant-current and constant-voltage output and zero voltage switching with near zero phase angle characteristics. On this basis, a theoretical model of T-shaped decoupling circuit and dual-output WPT system was established, and mathematical theoretical derivation was also conducted to verify the correctness of the proposed system. In addition, the system was simulated and verified, and the simulation results were consistent with the theoretical derivation. Finally, a system magnetic coupler was designed, and an experimental prototype was built, with operating frequency of 85 kHz, constant-current output of 5 A and constant-voltage output of 60 V. Experimental results verified the correctness of the theoretical analysis, and the maximum efficiency of the system can reach 93.4%.

Wireless power transfer (WPT)  /  dual-output  /  constant-current  /  constant-voltage  /  zero voltage switching
周学斌, 董康帅, 杨林. 恒流与恒压双路输出WPT系统研究. 电源学报, 2026 , 24 (3) : 259 -269 . DOI: 10.13234/j.issn.2095-2805.2026.3.259
Xuebin ZHOU, Kangshuai DONG, Lin YANG. Research on Constant-current and Constant-voltage Dual-output WPT System[J]. Journal of Power Supply, 2026 , 24 (3) : 259 -269 . DOI: 10.13234/j.issn.2095-2805.2026.3.259
Funding
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  • National Natural Science Foundation of China(51277134)
  • Scientific Research Project of the Hunan Provincial Department of Education(22B0803)
  • Yongzhou Guiding Science and Technology Plan Project(2022-YZKJZD-010)
  • Second Phase of the Department of College Students of the Ministry of Education Supply and Demand Docking Employment Education(20230106677)
Appendix
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Year 2026 volume 24 Issue 3
29
3
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Article Info
doi: 10.13234/j.issn.2095-2805.2026.3.259
  • Receive Date：2023-12-13
  • Online Date：2026-10-29
  • Published：2026-03-30
Article Data
Affiliations
History
  • Received：2023-12-13
  • Revised：2024-01-16
  • Accepted：2024-01-28
Funding
National Natural Science Foundation of China(51277134)
Scientific Research Project of the Hunan Provincial Department of Education(22B0803)
Yongzhou Guiding Science and Technology Plan Project(2022-YZKJZD-010)
Second Phase of the Department of College Students of the Ministry of Education Supply and Demand Docking Employment Education(20230106677)
Affiliations
    1.College of Intelligent Manufacturing, Hunan University of Science and Engineering, Yongzhou 425199, China
    2.College of Electronic and Electrical Engineering, Henan Normal University, Xinxiang 453007, China
References
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