摘 要：针对某型号驱动电机系统电磁辐射发射超标问题，本文从电路布局与走线、滤波设计及屏蔽效能方面进行分析，并给出改进措施。经过复测验证，改进后的驱动电机系统电磁辐射发射值满足GB/T 18488—2024限值要求，可为同类产品的电磁兼容设计提供技术参考。
关键词：驱动电机；辐射发射；滤波设计；屏蔽效能
中图分类号：U463.6 文献标志码：A DOI：10.15917/j.cnki.1006-3331.2025.03.005
Research on Electromagnetic Compatibility Optimization of Electric Vehicle Drive Motor System
ZHANG Shuai,CAO Zhong,GUO Song,IU Qingsong,ZHOU Hang,HU Zashuang
Abstract: Aiming at the problem of excessive electromagnetic radiation emission in a drive motor system model,this paper analyzes from the perspectives of circuit layout and routing,filtering design,and shielding effectiveness while proposing improvement measures.Retesting verification demonstrates that the optimized drive motor system's electromagnetic radiation emission values comply with the GB/T 18488—2024 limit requirements.This research can provide technical references for the electromagnetic compatibility design of similar products.
Key words: drive motor; radiation emission; filtering design; shielding effectiveness
