{"title":"A Dual-Frequency Resonant Single-Ended IPT Converter With Enhanced Power Transfer Capability","authors":"Jingyu Wang;Zhicong Huang;Xiaolu Lucia Li","doi":"10.1109/TIE.2025.3532721","DOIUrl":null,"url":null,"abstract":"In the design of single-ended inductive power transfer (IPT) converters, the prevalent reliance on the fundamental harmonic approximation (FHA) often results in an underutilization of the input voltage. This article provides new insights into this problem by deriving and demonstrating that the power transfer capability of a single-ended IPT converter can be enhanced by utilizing the second harmonic component. A novel dual-frequency resonant single-ended IPT converter is designed to allow load-independent voltage output at both the fundamental and second harmonics. This design could improve the power transfer capability without increasing the voltage stress on the power switch. Compared with the conventional single-ended converter with the same output power, the coil currents in the proposed converter are lower. Additionally, the advantages mentioned above are unaffected by coil misalignment. An experimental prototype has been constructed to validate the effectiveness of the proposed method.","PeriodicalId":13402,"journal":{"name":"IEEE Transactions on Industrial Electronics","volume":"72 8","pages":"7964-7973"},"PeriodicalIF":7.2000,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Transactions on Industrial Electronics","FirstCategoryId":"94","ListUrlMain":"https://ieeexplore.ieee.org/document/10859176/","RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"AUTOMATION & CONTROL SYSTEMS","Score":null,"Total":0}
引用次数: 0
Abstract
In the design of single-ended inductive power transfer (IPT) converters, the prevalent reliance on the fundamental harmonic approximation (FHA) often results in an underutilization of the input voltage. This article provides new insights into this problem by deriving and demonstrating that the power transfer capability of a single-ended IPT converter can be enhanced by utilizing the second harmonic component. A novel dual-frequency resonant single-ended IPT converter is designed to allow load-independent voltage output at both the fundamental and second harmonics. This design could improve the power transfer capability without increasing the voltage stress on the power switch. Compared with the conventional single-ended converter with the same output power, the coil currents in the proposed converter are lower. Additionally, the advantages mentioned above are unaffected by coil misalignment. An experimental prototype has been constructed to validate the effectiveness of the proposed method.
期刊介绍：
Journal Name: IEEE Transactions on Industrial Electronics
Publication Frequency: Monthly
Scope:
The scope of IEEE Transactions on Industrial Electronics encompasses the following areas:
Applications of electronics, controls, and communications in industrial and manufacturing systems and processes.
Power electronics and drive control techniques.
System control and signal processing.
Fault detection and diagnosis.
Power systems.
Instrumentation, measurement, and testing.
Modeling and simulation.
Motion control.
Robotics.
Sensors and actuators.
Implementation of neural networks, fuzzy logic, and artificial intelligence in industrial systems.
Factory automation.
Communication and computer networks.
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