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电动两轮车金属支撑架接地对辐射发射的影响

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文章研究了电动两轮车在电磁兼容性测试中的电磁辐射发射行为,重点分析了金属支撑架的接地情况对宽带电磁辐射发射水平的影响.通过对比不同支撑架的布置方式(包括直接接地与非导电支撑等),结果表明:金属支撑架直接接地会显著增加电动两轮车在30 MHz频段的辐射发射强度,而使用非导电材料将支架抬高超过3 mm后,发射水平趋于稳定.该研究为电动两轮车的电磁兼容性测试提供了重要参考,并提出了优化测试条件的建议.
Analysis of the Influence of Grounding of Metal Support Frame on Electromagnetic Compatibility Test Results for Electric Two Wheeled Vehicles
This paper investigates the electromagnetic radiation emissions of electric two wheeled vehicles during electromagnetic compatibility(EMC)testing,focusing on the impact of grounding conditions of metal support stands on broadband radiation levels.Through experimental comparisons of different support configurations(including direct grounding and non-conductive supports),the study found that direct grounding of the metal support stand significantly increases radiation emissions at the 30 MHz frequency.However,when the support is raised by more than 3 mm using non-conductive materials,the emission levels tend to stabilize.This study provides valuable insights into the EMC testing of electric two wheeled vehicles and suggests optimization recommendations for test conditions.

electric two wheeled vehiclesmetal support standEMCelectromagnetic radiation emissiongrounding

姚棉竹、谢永炫、王钊桐、彭俊杰、姚华民

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威凯检测技术有限公司

电动两轮车 金属支撑架 电磁兼容性 电磁辐射发射 接地

2025

安全与电磁兼容
中国电子技术标准化研究院

安全与电磁兼容

影响因子:0.101
ISSN:1005-9776
年,卷(期):2025.(1)