新能源客车EMI防治

  • 打印
  • 收藏
收藏成功


打开文本图片集

【摘  要】随着人们对汽车安全性与可靠性要求的持续提升,EMI(电磁干扰)问题日益受到广泛关注。文章通过介绍电磁兼容基础,对比分析电磁干扰中共模干扰与差模干扰的产生机理及防治方法,并结合实际案例,在满足整车绝缘要求的前提下,对电驱动系统进行整改,以满足认证要求。

【关键词】EMI;共模干扰;差模干扰;Y电容

中图分类号:U469.72     文献标识码:A    文章编号:1003-8639(2025)01-0019-04

New Energy Bus EMI Prevention

LAI Xingcheng,WANG Jiayu,WANG Hailong,ZHOU Enfei,LI Xun,PAN Lianbo

(Beiqi Foton Motor Co.,Ltd.,Beijing Ouhui Bus Branch,Beijing 102206,China)

【Abstract】With the continuous improvement of vehicle safety and reliability requirements,EMI has been paid more and more attention. This paper introduces the basis of electromagnetic compatibility,compares and analyzes the generation mechanism and prevention methods of common mode interference and differential mode interference in electromagnetic interference,and combined with practical cases,on the premise of meeting the vehicle insulation requirements,the electric drive system is modified to meet the certification requirements.

【Key words】EMI;common mode interference;differential mode interference;Y-capacitance

当今汽车朝着电动化、智能化、网联化迅猛发展,应用于汽车中的电子设备日益增多,电磁兼容EMC问题在汽车研发的过程中受到国内外越来越多的关注[1-5]。(剩余5128字)

monitor