摘要
通过对近年来安徽电网两起DCS遭雷击,导致热控保护动作机组跳闸事故案例的简单分析,叙述了雷电入侵火电厂热工仪表控制系统的途径,重点从接地、屏蔽、设计、安装以及运行维护等方面提出了仪表及DCS系统防雷的主要措施。
By brief analyses of two lightning stroke cases of recent years on Anhui power system resulting tripping of the generating unit due to thermal control protection action, this treatise gives an account of routes of the attacking lightning and main measures to guard against lightning attacks especially in the field of grounding, shielding, design, assembly and O＆M of instruments and DCS system in power plants.
出处
《安徽电力》
2005年第4期4-7,共4页
Anhui Electric Power
