Modular Expansion Method for Wireless Power Transfer Systems With Arbitrary Topologies

IF 5.2 1区工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Circuits and Systems I: Regular Papers Pub Date : 2024-08-27 DOI:10.1109/TCSI.2024.3438563

Chao Cui;Chunbo Zhu;Xin Gao;Shumei Cui;Qianfan Zhang;C. C. Chan

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引用次数: 0

Abstract

Modular parallel inverter technology can enhance the power level and redundancy of wireless power transfer (WPT) systems, contributing to standardized production. It serves as an effective method for realizing high-power systems. However, inappropriate selection of compensation components can negatively affect the system’s efficiency, power factor, and the flexibility of modularization. This paper analyzes two key properties of modular-parallel-inverter WPT (MPI-WPT) systems: module number flexibility and modular deviation suppression. Firstly, to assess the modular deviation suppression of the system, its definition and calculation method are provided. Secondly, the expansion condition to achieve modular flexibility is examined, highlighting that the modular system needs to be a fully resonant system. Subsequently, an expansion design methodology from a single WPT system to an MPI-WPT system is proposed, ensuring the preservation of the original properties of the system during its extension. Finally, the parallel characteristics of MPI-WPT systems were experimentally verified.

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具有任意拓扑结构的无线电力传输系统的模块化扩展方法

模块化并联逆变器技术可提高无线电力传输（WPT）系统的功率水平和冗余度，有助于实现标准化生产。它是实现大功率系统的有效方法。然而，补偿元件选择不当会对系统的效率、功率因数和模块化的灵活性产生负面影响。本文分析了模块化并联逆变器 WPT（MPI-WPT）系统的两个关键特性：模块数量灵活性和模块偏差抑制。首先，为了评估系统的模块化偏差抑制，本文给出了模块化偏差抑制的定义和计算方法。其次，研究了实现模块灵活性的扩展条件，强调模块系统必须是一个完全谐振的系统。随后，提出了从单一 WPT 系统到 MPI-WPT 系统的扩展设计方法，确保系统在扩展过程中保持原有特性。最后，实验验证了 MPI-WPT 系统的并行特性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Transactions on Circuits and Systems I: Regular Papers 工程技术-工程：电子与电气

CiteScore

9.80

自引率

11.80%

发文量

441

审稿时长

2 months

期刊介绍： TCAS I publishes regular papers in the field specified by the theory, analysis, design, and practical implementations of circuits, and the application of circuit techniques to systems and to signal processing. Included is the whole spectrum from basic scientific theory to industrial applications. The field of interest covered includes: - Circuits: Analog, Digital and Mixed Signal Circuits and Systems - Nonlinear Circuits and Systems, Integrated Sensors, MEMS and Systems on Chip, Nanoscale Circuits and Systems, Optoelectronic - Circuits and Systems, Power Electronics and Systems - Software for Analog-and-Logic Circuits and Systems - Control aspects of Circuits and Systems.