高频开关电源设计中的电磁兼容性问题研究

Research of Electromagnetic Compatibility Problem in Designing of High Frequency Switching-Mode Power Supply

本文阐述开关电源的组成及工作原理;从开关电源中的各组成部分出发,分析了电磁骚扰产生的机理,提出了应采取的相应抑制措施:讨论了电磁兼容设计中需要注意的问题:介绍了开关电源的发展历程。

In this article, the composition and the working principle of the high frequency switching-mode power supply is stated. From each parts in the high frequency switching mode power supply, the mechanism produced of electromagnetic disturbance is analyzed. The disturbance suppression measure adopted is putted forward. The items in designing of electromagnetic compatibility is discussed. The developing process of switching-mode power is introduced.