兼顾抗旋转偏移和中心磁场抑制的三相IPT系统设计与分析  

Design and Analysis of Three-phase IPT System with Anti-rotation Misalignment and Central Magnetic Field Suppression

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作  者:宋毅 罗颖 麦瑞坤[1] 朱宸彦 肖静 陈绍南 SONG Yi;LUO Ying;MAI Ruikun;ZHU Chenyan;XIAO Jing;CHEN Shaonan(School of Electrical Engineering,Southwest Jiaotong University,Chengdu 610031,China;Southern Power Grid Corporation Wireless Power Transmission Joint Laboratory,Guangxi Power Grid Co.,Ltd,Nanning 530023,China;CPSS)

机构地区:[1]西南交通大学电气工程学院,成都610031 [2]南方电网无线传能联合实验室(广西电网有限责任公司),南宁530023 [3]中国电源学会

出  处:《电源学报》2024年第4期219-227,共9页Journal of Power Supply

基  金:国家自然科学基金面上资助项目(51977184);无线供电及其应用四川省青年科技创新研究团队资助项目(2020JDT0004)。

摘  要:与传统接触式充电方式相比,采用感应式电能传输IPT(inductive power transfer)系统给自主水下航行器AUVs(autonomous underwater vehicles)充电更加方便和安全。为了解决AUV船体中心磁场强和由波浪引起的旋转偏移导致传输功率剧烈波动的问题,提出1种具有新型耦合结构的三相IPT系统。耦合器由3个发射线圈和4个反向交替串联的接收线圈组成,该结构有利于抑制中心磁场并提高抗旋转偏移性能。Maxwell仿真结果表明,在船体旋转时,等效互感Meq波动小于2%,同时AUV中心磁场始终保持在较低水平。此外,为简化系统分析,采用1种无源元件解耦的方法对3个发射线圈进行解耦。搭建了1台基于LCC-S补偿拓扑的实验样机来验证系统的可行性,实验结果表明,当AUV旋转时,传输功率为536~595 W,最大波动率为9.91%,系统直-直最高效率为86.28%。Compared with the traditional plug-in charging method,it is safer and more convenient to employ an inductive power transfer( IPT) system to charge autonomous underwater vehicles( AUVs).To alleviate the strong magnetic field inside the AUV hull and the dramatic power fluctuation caused by the rotation misalignment of the AUV under the turbulent water,a three-phase IPT system with a novel coupling structure is proposed.The coupler is composed of three transmitting coils and four receiving coils connected in alternating reverse series,which can suppress the central magnetic field and improve the anti-rotation misalignment performance simultaneously.The Maxwell simulation results show that when the AUV hull rotates,the equivalent mutual inductance Meq fluctuation is less than 2%,and the magnetic field of the AUV center always maintains a low level.In addition,to simplify the system analysis,a decoupling method based on a passive component is adopted to decouple the three transmitting coils.A laboratory-scale prototype based on an LCC-S compensation topology was built to verify the feasibility of the system.Experimental results show that when AUV rotated,the output power varied from 536 W to 595 W with a maximum fluctuation of 9.91%.The maximum DC-DC efficiency of the system was 86.28%.

关 键 词:感应式电能传输 自主水下航行器 抗旋转偏移 三相 抑制中心磁场 

分 类 号:TM724[电气工程—电力系统及自动化]

 

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