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Electronics
Article . 2025 . Peer-reviewed
License: CC BY
Data sources: Crossref
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Design, Analysis, and Verification of a Decoupled Dual-Output Wireless Power Transfer System with a Constant Voltage Output and a Constant Current Output

Authors: Le Yu; You Lv; Xuebin Zhou; Guangyi Yang; Changsong Cai; Lin Yang;

Design, Analysis, and Verification of a Decoupled Dual-Output Wireless Power Transfer System with a Constant Voltage Output and a Constant Current Output

Abstract

Wireless power transfer (WPT) is extensively utilized because of its isolation and convenience. However, WPT systems require different types of outputs in specific applications. The existing dual-receiving WPT system has disadvantages such as redundant compensation components, unnecessary cross-coupling interference, complex control circuits, and low space utilization. To address these shortcomings, this paper proposes a dual-output WPT system capable of delivering both constant voltage (CV) and constant current (CC) outputs simultaneously. The WPT system utilizes a special coil structure design, in which the DD coil is used as the transmitter coil and the first receiver coil, and the Q coil is used as the relay coil and the second receiver coil. In addition, the DD coil and the Q coil can achieve natural decoupling under alignment conditions. Consequently, the impact of the unnecessary cross-coupling within the system can be eradicated. Initially, the natural decoupling properties of the magnetic coupler are analyzed from a theoretical perspective. Subsequently, a mathematical model for the proposed WPT system is constructed. Through theoretical deductions, it is demonstrated that under the zero-phase-angle (ZPA) conditions, the system is capable of attaining a CC output at the first receiving side and a CV output at the second receiving side. Finally, a verification experimental prototype with a constant voltage output of 72 V and a constant current output of 2.5 A was built. The experimental results verified the accuracy of the previous theoretical analysis.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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