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Xiuqin Wei
Researcher at Chiba Institute of Technology
Publications - 77
Citations - 570
Xiuqin Wei is an academic researcher from Chiba Institute of Technology. The author has contributed to research in topics: Inverter & Amplifier. The author has an hindex of 11, co-authored 73 publications receiving 450 citations. Previous affiliations of Xiuqin Wei include Nagasaki University & Chiba University.
Papers
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Journal ArticleDOI
Design of Class-E Amplifier With MOSFET Linear Gate-to-Drain and Nonlinear Drain-to-Source Capacitances
TL;DR: In this article, expressions for the waveforms and design equations to satisfy the ZVS/ZDS conditions in the class-E power amplifier, taking into account the MOSFET gateto-drain linear parasitic capacitance and the drain-to-source nonlinear parasitic capacitor.
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Analysis and Design of Loosely Inductive Coupled Wireless Power Transfer System Based on Class- ${\rm E}^{2}$ DC-DC Converter for Efficiency Enhancement
Tomoharu Nagashima,Xiuqin Wei,Elisenda Bou,Eduard Alarcon,Marian K. Kazimierczuk,Hiroo Sekiya +5 more
TL;DR: The class- E2 WPT system designed by the proposed design procedure achieves high dc-to-dc efficiency at low coupling coefficient, in particular, compared with thosedesigned by the previous design strategies.
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Waveform Equations, Output Power, and Power Conversion Efficiency for Class-E Inverter Outside Nominal Operation
TL;DR: By carrying out PSpice simulations and circuit experiments, it is shown that the analytical predictions agree with the simulated and experimental results quantitatively, which indicates the validity of the analytical expressions.
Journal ArticleDOI
Steady-State Analysis of Isolated Class-E$^2$ Converter Outside Nominal Operation
Tomoharu Nagashima,Xiuqin Wei,Elisenda Bou,Eduard Alarcon,Marian K. Kazimierczuk,Hiroo Sekiya +5 more
TL;DR: The analytical predictions of system performance against coupling-coefficient and load-resistance variations agreed with PSpice simulation and experimental results quantitatively, which showed the validity of the analytical expressions.
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Steady-State Analysis and Design of Class-D ZVS Inverter at Any Duty Ratio
TL;DR: In this paper, steady-state analytical expressions of the class-D zero-voltage switching inverter at any duty ratio along with a design example are presented along with an experimental design example.