多中继无线电能传输系统环路失谐特性分析

doi:10.16628/j.cnki.2095-8188.2023.02.009

摘要/Abstract

摘要：

环路失谐是多中继无线电能传输(MR-WPT)系统亟待解决的一个难题。为了找出环路失谐对MR-WPT系统的影响规律,对比MR-WPT系统在完全谐振、单个线圈环路失谐和两个线圈环路失谐条件下各个线圈环路电流幅值和相位的变化,分析系统失谐特性。最后,提出了一种基于频率调节的方法来保持系统整体谐振,并通过仿真验证其可行性,为改善环路失谐后的系统性能提供了解决思路。

关键词: 多中继无线电能传输系统, 环路失谐, 失谐特性, 频率调节

Abstract:

Loop detuning is an urgent problem in multi-relay wireless power transfer (MR-WPT) system.In order to find out the influence rule of loop detuning in MR-WPT system,the changes of current amplitude and phase of each coil loop were compared in MR-WPT system under the conditions of complete resonance,single coil loop detuning and two coil loop detuning.The system detuning characteristics were analyzed.Finally,in order to improve the system performance after loop detuning,the method based on frequency regulation is proposed to maintain the overall resonance of the system and its feasibility is verified by simulation,which provides a solution for improving the system performance after loop detuning.

Key words: multi-relay wireless power transfer(MR-WPT) system, loop detuning, detuning characteristics, frequency regulation

中图分类号:

TM724

胡峰铭, 唐家宾, 肖静, 陈炜智, 陈冠霖. 多中继无线电能传输系统环路失谐特性分析[J]. 电器与能效管理技术, 2023, 0(2): 44-52.

HU Fengming, TANG Jiabin, XIAO Jing, CHEN Weizhi, CHEN Guanlin. Analysis on Loop Detuning Characteristics of Multi-Relay Wireless Power Transfer System[J]. LOW VOLTAGE APPARATUS, 2023, 0(2): 44-52.

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名称	L₁	L₂	L₃	L₄	L₅	L₆
自感/μH	45.08	45.18	45.17	45.16	45.19	45.18
名称	L₇	L₈	L₉	L₁₀	L₁₁	L₁₂
自感/μH	45.18	45.17	45.31	45.09	45.16	45.23

名称	M₁₂	M₂₃	M₃₄	M₄₅	M₅₆	M₆₇
互感/μH	3.12	3.12	3.12	3.12	3.12	3.13
名称	M₇₈	M₈₉	M₉₁₀	M₁₀₁₁	M₁₁₁₂
互感/μH	3.13	3.13	3.12	3.12	3.13