The design of a long-distance high-efficiency WPT for online monitoring equipment based on a new relay structure

被引：5
|
作者：
Cui, Yibo [1 ]
Lin, Zaixun [1 ]
Dai, Zhongyu [2 ]
Cai, Wanli [1 ]
Zheng, Jingwen [1 ]
机构：
[1] State Grid Hubei Elect Power Co Ltd, Elect Power Res Inst, Wuhan 430072, Hubei, Peoples R China
[2] Wuhan Univ, Sch Elect Engn & Automat, Wuhan 430072, Hubei, Peoples R China
来源：
ELECTRICAL ENGINEERING | 2022年 / 104卷 / 05期
关键词：
Relay coil; Magnetic coupling mechanism (MCM); Online monitoring equipment (OME); Wireless power transfer (WPT); OPTIMIZATION;
D O I：
10.1007/s00202-022-01524-5
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Aiming at the difficulty of power supply for online monitoring equipment (OME) of transmission lines and towers, a long-distance high-efficient wireless power transfer (WPT) system based on a new relay structure is designed in this paper. The transmission power and transmission efficiency (TE) are improved, which meets the continuous and stable power supply of OME. Combined with the limitation of 110 kV line on the transmission distance (TD) and size of WPT, the influence of the relative position of relay coil (ReC) on transmission performance is studied and summarized. The optimal position of ReC and the physical size of the magnetic coupling mechanism (MCM) are established. The effects of TD and DC voltage on the transmission performance of typical and new WPT are compared and tested. TE of new WPT is increased by about 20%. The proposed new MCM will provide a reference for the design and application of WPT on OME.
引用
收藏
页码：3007 / 3014
页数：8
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