微机继电保护的电磁兼容及防护措施

本文分析了微机继电保护装置工作环境中的电磁干扰,继而从屏蔽、接地、滤波及二次回路设计等四个方面提出相应的抗干扰措施,并对继电保护装置硬件部分的抗干扰设计提出解决途径。

This paper analyzed Electromagnetic Interference in the Electromagnetic Environment which the microcomputer-based protective relay works in, then proposes the anti-interference measures from the aspects of the shield ,the earth and the filter, and proposes the anti-interference approached of the design of the microcomputer-based protective relay＇s hardware.