开关电源电磁兼容技术探讨

Discussion of Electromagnetic Compatibility Technology of Switching Power Supply

介绍了电磁兼容技术的基本概念,并针对开关电源的电磁兼容问题进行了研究与分析,得出了产生干扰的原因。对于切断系统耦合途径、保证设计的合理性、利用器件改进提高兼容性等方法,最后得出结论是采取切断耦合途径、减少干扰产生与扩大是比较理想的兼容技术措施。

This paper introduces the basic concept of electromagnetic compatibility technology, researched and analyzes the electromagnetic compatibility problems of switching power supply, and found the reasons for interference. For ways to cut system coupled approaches, ensure the rationality of design, improve compatibility with devices, etc. , the final conclu- sion is taken to cut off the coupling ways to reduce interference and expand is an ideal compatible technology.