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Constant-Frequency and Noncommunication-Based Inductive Power Transfer Converter for Battery Charging
Iam, Io Wa; Hoi, Iok U.; Huang, Zhicong; Gong, Cheng; Lam, Chi Seng; Mak, Pui In; Martins, Rui Paulo Da Silva
2022-04-01
Source PublicationIEEE Journal of Emerging and Selected Topics in Power Electronics
ISSN2168-6777
Volume10Issue:2Pages:2147-2162
Abstract

Compared with conductive charging, wireless inductive-power-transfer (IPT) charging exhibits higher potential as it avoids physical contact and provides convenient user experience. Regrettably, it is challenging for IPT converters to comply with the constant current (CC) and constant voltage (CV) charging profiles, while optimizing power efficiency. To achieve such goals, the existing IPT converters can apply multistage converter, dual side, or variable frequency modulation with feedback wireless communication. However, applying multistage converter increases cost and loss, while the stability of the IPT converter with dual side or variable frequency modulation can be at risk if communication fails. This article proposes a single-stage IPT converter for battery charging. With a constant operating frequency and without feedback wireless communication, the receiver side directly regulates the output to comply with the CC/CV charging profile, while the transmitter side aids in the reduction of the modulated phase shift angle at the receiver side, thus improving the efficiency. No wireless communication between the transmitter and receiver sides benefits both the hardware cost and stability. Also, we implement implicitly an output voltage regulation, further avoiding the need of an extra dc-dc converter. We verify experimentally the proposed control method in a 1-KW charging platform with a measured peak efficiency up to 94.35%.

KeywordConstant Current (Cc) Charging Constant Operating Frequency Constant Voltage (Cv) Charging No Wireless Communication Wireless Inductive-power-transfer (Ipt) Charging
DOI10.1109/JESTPE.2020.3004259
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000777346600072
Scopus ID2-s2.0-85112722407
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Citation statistics
Cited Times [WOS]:5   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionINSTITUTE OF MICROELECTRONICS
Faculty of Science and Technology
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding AuthorHuang, Zhicong; Lam, Chi Seng
AffiliationState Key Laboratory of Analog and Mixed-Signal Vlsi, University of Macau, 999078, Macao
First Author AffilicationUniversity of Macau
Corresponding Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Iam, Io Wa,Hoi, Iok U.,Huang, Zhicong,et al. Constant-Frequency and Noncommunication-Based Inductive Power Transfer Converter for Battery Charging[J]. IEEE Journal of Emerging and Selected Topics in Power Electronics,2022,10(2):2147-2162.
APA Iam, Io Wa,Hoi, Iok U.,Huang, Zhicong,Gong, Cheng,Lam, Chi Seng,Mak, Pui In,&Martins, Rui Paulo Da Silva.(2022).Constant-Frequency and Noncommunication-Based Inductive Power Transfer Converter for Battery Charging.IEEE Journal of Emerging and Selected Topics in Power Electronics,10(2),2147-2162.
MLA Iam, Io Wa,et al."Constant-Frequency and Noncommunication-Based Inductive Power Transfer Converter for Battery Charging".IEEE Journal of Emerging and Selected Topics in Power Electronics 10.2(2022):2147-2162.
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