开关电源电磁兼容设计分析  

Analysis of Electro Magnetic Compatibility Design for Switching Power Supply

作　　者：陈志彬 CHEN Zhibin(Xiamen Zettler Magnetics Co.,Ltd.,Xiamen 361000,Fujian,China)

机构地区：[1]厦门赛特勒磁电有限公司,福建厦门361000

出　　处：《光源与照明》2025年第3期216-219,共4页Lamps & Lighting

摘　　要：文章概述了开关电源的工作原理与特点、电磁兼容(electro magnetic compatibility, EMC)的基本概念,指出了开关电源电磁兼容设计的设计依据和基本要求,介绍了其关键技术,包括电源结构与布局优化、滤波与抑制技术、屏蔽技术、接地与接触电阻控制,并提出了开关电源电磁兼容测试与优化方法,以期为进一步提高开关电源抗干扰能力、保障电子设备的稳定运行提供技术指导和参考依据。This paper outlines working principles and characteristics of switching power supply,the basic concept of Electro Magnetic Compatibility(EMC),points out the design basis and basic requirements of Electro Magnetic Compatibility design for switching power supply,introduces its key technologies,including power supply structure and layout optimization,filtering and suppression technology,shielding technology,grounding and contact resistance control,and puts forward the Electro Magnetic Compatibility test and optimization methods for switching power supply,in order to provide technical guidance and reference basis for further improving the anti-interference ability of switching power supply and ensuring the stable operation of electronic equipment.

关 键 词：开关电源 电磁兼容 电磁干扰 滤波技术 

分 类 号：TN86[电子电信—信息与通信工程]