通信开关电源电磁干扰的影响与抑制技术应用分析

Influence of Electromagnetic Interference on Communication Switching Power Supply and Application Analysis of Suppression Technology

随着我国通信网络的智能化发展,物联网(Internet of Things,IoT)、区块链技术的升级与运用,为军事领域通信开关电源运行的稳定性带来了挑战。基于通信开关电源电磁特性,明确各类电磁干扰的机理与实际影响,包括功率开关管引发的电磁干扰、二极管反向恢复引发的电磁干扰、磁性元件引发的电磁干扰以及战场复杂电磁环境引发的电磁干扰等,分析多种技术在通信开关电源电磁干扰抑制方面的应用效果及优劣势,从源头抑制、切断干扰抑制、屏蔽抑制3个方面提出技术的应用措施,降低电磁干扰,强化其在军事领域的应用与发展。

With the intelligent development of China’s communication network,the upgrade and application of Internet of Things(IoT)and block chain technology have brought challenges to the stability of the operation of military communication switching power supply.Electromagnetic properties in this paper,based on the communication switching power supply,is clear about the mechanism of all kinds of electromagnetic interference and the actual effect,including the power switch tube electromagnetic interference,electromagnetic interference diode reverse recovery,magnetic components caused by electromagnetic interference,the complex electromagnetic environment of battlefield electromagnetic interference and so on,the analysis of a variety of technology and application in communication switching power supply the electromagnetic interference suppression effect and the advantages and disadvantages,In order to reduce electromagnetic interference and strengthen its application and development in military field,the application measures of the technology are put forward from three aspects of source suppression,cutting off interference suppression and shielding suppression.