2026
article
OpenAlex
Qiusen He, Anfeng Huang, Chenxi Liu, Jie Luo et autres
Magnetic shielding sheets in wireless power transfer (WPT) systems exert a critical influence on both energy transfer efficiency and electromagnetic compatibility (EMC) performance. Commonly used high-performance layered nanocrystalline shielding sheets exhibit notable discrepancies between the effective permeability of their layered structures and …
cn
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Accès ouvert
2025
article
OpenAlex
Anfeng Huang, Qiusen He, Haojie Wu
With the increasing switching frequencies and power densities in modern power converters, the prediction and mitigation of common-mode (CM) noise are becoming increasingly essential. Even though powerful, simulation methods are hindered by the difficulties in modeling power semiconductors and the long simulation …
cn
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2025
conference-paper
OpenAlex
Xiaoping Li, Xu Wang, Qiusen He, Yin Sun et autres
When modeling inductors and transformers with high-contrast magnetic materials using the Partial Element Equivalent Circuit (PEEC) method, two simulation issues may arise with increasing frequency. Firstly, conventional excitation methods may lead to inverted current distributions at the excitation terminals, resulting in incorrect …
cn
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2025
conference-paper
OpenAlex
Xiaoping Li, Xu Wang, Qiusen He, Yin Jian Sun et autres
In the design of electromagnetic equipment such as transformers and sensors, magnetic air gap is a key factor affecting equipment efficiency, stability, thermal management, response speed, and electromagnetic compatibility. It has an important impact on magnetic flux distribution, energy loss, and overall …
cn
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2021
article
OpenAlex
Anfeng Huang, Hongseok Kim, Hanyu Zhang, Qiusen He et autres
As an essential component in power applications, magnetic cores and their design play an important role in achieving high efficiency and high power density. Accurate measurement of the core loss is important for inductor and power converter optimization. Loss measurement depends on …
us, at
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2020
conference-paper
OpenAlex
Anfeng Huang, Dongwook Kim, Qiusen He, Hanyu Zhang et autres
Wireless power transfer (WPT) is foreseen as a suitable technology to provide charging without cables to electric vehicles. The charging requires a specific charging profile for different type of battery. In addition, the loading condition of the charging circuit could change drastically …
us, kr, cn
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2020
conference-paper
OpenAlex
Dongwook Kim, Seungyoung Ahn, Qiusen He, Anfeng Huang et autres
The SAE J2954 recommended practice (RP) contains the power transfer frequency, electric values, and test procedure for the electric vehicle (EV) wireless power transfer (WPT). In particular, this document expresses the inductance range of the powering coil, the power receiving coil and …
kr, cn, us
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Accès ouvert
2019
article
OpenAlex
Dongwook Kim, Hongseok Kim, Anfeng Huang, Qiusen He et autres
The wireless power transfer (WPT) method for electric vehicles (EVs) is becoming more popular, and to ensure the interoperability of WPT systems, the Society of Automotive Engineers (SAE) established the J2954 recommended practice (RP). It includes powering frequency, electrical parameters, specifications, testing …
kr, us, cn
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2019
article
OpenAlex
Qiusen He, Yuyu Zhu, Hanyu Zhang, Anfeng Huang et autres
Silicon carbide (SiC) devices can significantly increase power efficiency, temperature reliability, power capacity, and power density because of their outstanding characteristics. Nevertheless, in the bridge-leg configuration of a power converter, the high-speed switching capability of SiC mosfets is often restricted by the …
cn, us
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