Efficiency Improvement of Dual-Receiver WPT Systems Based on Partial Power Processing Control

Liu, Shunpan; Zhao, Xing; Wu, Yihao; Zhou, Lingyun; Li, Yong

doi:10.1109/tpel.2021.3138435

Cited by 21 publications

References 47 publications

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Arrangement Free Wireless Power Transfer via Strongly Coupled Electrical Resonances

Lee,

Kim,

et al. 2024

Advanced Science

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Research on magnetically resonant wireless power transfer (MRWPT) is actively pursued for diverse applications. Dependent on magnetic fields for wireless power transfer (WPT), MRWPT encounters a challenge due to the absence of monopole magnetic properties, impacting power transfer efficiency (PTE) sensitivity to receiver arrangement. Despite extensive research, achieving the desired receiver freedom remains a persistent challenge—a core limitation rooted in magnetic field‐based WPT. To address this, electrically resonant wireless power transfer (ERWPT) is proposed, utilizing an open bifilar coil at a resonant frequency. Experimental results demonstrate nonradiative power transfer of up to 50 watts and 46% PTE over a distance of 2 meters, maintaining consistent PTE performance. This phenomenon arises from the electric charge's monopole capability, distinguishing it from the limitations associated with magnetic fields. The practical viability of this system is delved and suggest directions for further investigation. ERWPT overcomes MRWPT challenges, ensuring lateral plane consistent efficiency and offering a breakthrough for practical wireless power applications.

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Arrangement Free Wireless Power Transfer via Strongly Coupled Electrical Resonances

Lee,

Kim,

et al. 2024

Advanced Science

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Power Stability Enhancement in Inductive Wireless Power Transfer Systems: A Review

Zheng,

Feng,

Wang

et al. 2024

IEEE Access

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Dual-PWM Control of Inductive Power Transfer Systems for High Efficiency Over Wide Load Ranges

Wu,

Deng,

Zhang

et al. 2024

2024 IEEE Applied Power Electronics Conference and Exposition (APEC)

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Efficiency Improvement of Dual-Receiver WPT Systems Based on Partial Power Processing Control

Abstract: Fig. R14. Schematic diagram of power transfer with two channels under different misalignment conditions (a)on the left, (b) well-aligned, (c) on the right.

Cited by 21 publications

References 47 publications

Arrangement Free Wireless Power Transfer via Strongly Coupled Electrical Resonances

Arrangement Free Wireless Power Transfer via Strongly Coupled Electrical Resonances

Power Stability Enhancement in Inductive Wireless Power Transfer Systems: A Review

Dual-PWM Control of Inductive Power Transfer Systems for High Efficiency Over Wide Load Ranges

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