摘要
分析了煤矿供电系统发生用电事故的几种原因和现象,介绍了"煤矿电网灾害监控预警"系统的结构、数据传输流程和系统的功能。该系统在生产应用中能及时修改整定方案使各级保护配合更合理可靠。并具有远程保护、故障准确指示、预警预报功能。
This paper analyzes the reasons and phenomena that the electricity usage accidents of power supply system of coal mine, introduce the structure of “Coal Mine Disaster grid monitoring and early-warning” system, the data transmission flow and function. The system manner can modify the whole program which is scheduled to make at all levels with a more reasonable and reliable protection in production and application in time. And it have long-range protection, fault accurate instructions and warning forecasting function.
出处
《机电产品开发与创新》
2009年第4期79-80,共2页
Development & Innovation of Machinery & Electrical Products
关键词
电网故障监控
预警预报
保护误动
故障拒动
network fault monitoring
warning and forecast
malfunction protection
fault refusal action
