Measurement and Analysis of Shielding Effectiveness of the Valve Hall of VSC-HVDC Converter Station

被引：1
|
作者：
Jiao, Chongqing [1 ]
Deng, Zuoxing [1 ]
Huang, Jiancheng [1 ]
Du, Zhanpeng [1 ]
Jiang, Zhiye [1 ]
机构：
[1] North China Elect Power Univ, Sch Elect & Elect Engn, Beijing 102206, Peoples R China
来源：
PROCEEDINGS OF 2023 INTERNATIONAL CONFERENCE ON WIRELESS POWER TRANSFER, VOL 4, ICWPT 2023 | 2024年 / 1161卷
关键词：
valve hall; shielding effectiveness; electromagnetic shielding; metal mesh; metal sheet;
D O I：
10.1007/978-981-97-0869-7_57
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：
Converter valves of VSC-HVDC can produce up to tens of MHz of electromagnetic radiation during operation, which may disturb the normal operation of sensitive equipment, or exceed electromagnetic environment standard limit. Therefore, electromagnetic shielding measures are usually indispensable. Typically, shielding is implemented by covering the valve hall wall with metallic sheets or inserting metallic mesh into the wall. In this paper, we report the measured results for the shielding effectiveness of two converter stations with mesh shielding and sheet shielding, respectively. We selected 30 and 18 observation points for the mesh and sheet shielding, respectively. For each observation point, two kinds of antenna polarization mode, vertical and horizontal, are considered. The test results show that the shielding effectiveness of metal mesh is about 10-30 dB, whereas the metal sheet can reach about 30-70 dB.
引用
收藏
页码：524 / 533
页数：10
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