电场耦合式无线电能传输的失准分析与试验*

doi:10.11985/2022.02.028

电气工程学报 ›› 2022, Vol. 17 ›› Issue (2): 243-250.doi: 10.11985/2022.02.028

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电场耦合式无线电能传输的失准分析与试验^*

张蒙飞¹(), 孙岩洲¹(), 杨锐², 余江华³, 杨明¹

1.河南理工大学电气工程与自动化学院焦作 454000
2.国网安徽省电力有限公司明光市供电公司明光 239400
3.国网安徽省电力有限公司芜湖县供电公司芜湖 241000

收稿日期:2021-06-06 修回日期:2021-10-20 出版日期:2022-06-25 发布日期:2022-08-08
通讯作者: 孙岩洲 E-mail:404783763@qq.com;sunyz@hpu.edu.cn
作者简介:张蒙飞,男,1996年生,硕士研究生。主要研究方向为无线电能传输技术。E-mail： 404783763@qq.com
基金资助:
*国家自然科学基金资助项目(U1804143)

Analysis and Experiment on Misalignment of Electrical-field Coupled Wireless Power Transfer

ZHANG Mengfei¹(), SUN Yanzhou¹(), YANG Rui², YU Jianghua³, YANG Ming¹

1. School of Electrical Engineering and Automation, Henan Polytechnic University, Jiaozuo 454000
2. Mingguang Power Supply Company, State Grid Anhui Electric Power Co., Ltd., Mingguang 239400
3. Wuhu Power Supply Company, State Grid Anhui Electric Power Co., Ltd., Wuhu 241000

Received:2021-06-06 Revised:2021-10-20 Online:2022-06-25 Published:2022-08-08
Contact: SUN Yanzhou E-mail:404783763@qq.com;sunyz@hpu.edu.cn

摘要/Abstract

摘要：

针对无线电能传输系统充电时耦合极板位置之间存在水平偏移不对称的情况,分析了在发生水平偏移情况下对传输功率和效率的不同影响程度。以双侧LCLC补偿拓扑结构的电场耦合式传输系统作为研究对象,建立无线电能传输系统的传输功率和效率模型以及不同偏移距离下的偏移模型。使用Matlab软件通过理论仿真对系统传输功率和效率进行分析。研究结果表明,当移动一侧极板发生错位,传输功率P发生了非线性递减且此时系统效率具有较高的鲁棒性;当选取旁路电容小于设计值时,可减小因极板偏移而引起的传输功率和效率衰减,从而以达到理想的传输效果。最后通过试验验证了理论分析。

关键词: 电场耦合, 无线电能传输, 失准分析, 极板偏移

Abstract:

For the situation of asymmetric horizontal offset between the capacitor plate positions during charging of the wireless power transmission system, the different degrees of influence on the transmission power and efficiency under the occurrence of horizontal offset are analyzed. The electric field coupling transmission system with two-side LCLC compensation topology is taken as the research object. The transmission power model of the wireless power transmission and efficiency system and the offset model under different offset distances are established. The system transmission power and efficiency are analyzed by theoretical simulation using Matlab. The results show that when the moving side of the plate is misaligned, the transmitted power P decreases nonlinearly and the system efficiency has high robustness at this time. When the bypass capacitance is selected to be less than the design value, the transmission power and efficiency degradation caused by the pole plate offset can be reduced to achieve the desired transmission effect. Finally, the theoretical analysis is verified by experiment.

Key words: Electric-field coupling, wireless power transfer, misalignment analysis, capacitor plates offset

中图分类号:

TM724

张蒙飞, 孙岩洲, 杨锐, 余江华, 杨明. 电场耦合式无线电能传输的失准分析与试验^*[J]. 电气工程学报, 2022, 17(2): 243-250.

ZHANG Mengfei, SUN Yanzhou, YANG Rui, YU Jianghua, YANG Ming. Analysis and Experiment on Misalignment of Electrical-field Coupled Wireless Power Transfer[J]. Journal of Electrical Engineering, 2022, 17(2): 243-250.

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参数	数值
V₁(V₂)/V	55
L_f₁(L_f₂)/nH	151.98
C_f₁(C_f₂)/nF	0.91
C₁(C₂)/pF	500
L₁(L₂)/nH	388.14
C_S₁(C_S₂)/pF	200
f_N/MHz	13.56

电场耦合式无线电能传输的失准分析与试验^*

Analysis and Experiment on Misalignment of Electrical-field Coupled Wireless Power Transfer

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[2]	廖承林,李均锋,陶成轩,王丽芳,邓凯. 无线电能传输系统控制方法综述[J]. 电气工程学报, 2015, 10(6): 1-6.