Approximate Analytical Calculation of Magnetic Shielding of Double-Layer Conducting Plates with Periodic Apertures

被引：0

作者：

Huang, Jiancheng ^{[1
]}

Guo, Xingxin ^{[2
]}

Wang, Yang ^{[3
]}

Jiao, Chongqing ^{[1
]}

机构：

[1] North China Elect Power Univ, Sch Elect & Elect Engn, Beijing 102206, Peoples R China

[2] State Grid Jiangsu Elect Power Co Ltd, Elect Power Res Inst, Nanjing 211103, Peoples R China

[3] Langfang Power Supply Co, State Grid Jibei Elect Power Co Ltd, Langfang 065000, Peoples R China

来源：

PROCEEDINGS OF 2023 INTERNATIONAL CONFERENCE ON WIRELESS POWER TRANSFER, VOL 3, ICWPT 2023 | 2024年 / 1160卷

关键词：

Low frequency; magnetic shielding; double-layer plates; periodic apertures; FORMULA; FIELDS;

D O I：

10.1007/978-981-97-0865-9_11

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This article focuses on the theoretical calculation method of low-frequency magnetic shielding of double-layer conducting plates with periodic apertures. The shielding effectiveness is measured when the double-layer CPPA is placed be-tween a pair of conductor rings, one ring for emissing and another ring for receiving. A surface-impedance-based theoretical model is developed to predict the shielding effectives, and the model is simplified under the quasi-static condition. The integral formula works well when the plate-to-plate distance is larger than the aperture diameter. In addition, a physical model was built in the laboratory for measurement, and the theoretical calculation results were compared with the actual measurement results. Finally, an approximate formula is obtained by simplifying the formula under some assumptions and the conclusions of some literatures.

引用

页码：92 / 101

页数：10

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