针对某钢铁企业高炉供电网系统运行方式简单，工作效率和管理水平低下等不足带来的生产风险，提出建立一种新型的综合自动化系统。通过综合运用保护、监控、通讯及网络技术，设计出分层分布式的计算机监控系统，从而达到无人值守的标准，提高供电网系统运行的可靠性、安全性和经济性。关键词：供电自动化；监控系统；分层分布式系统；通信Abstract：Aim at the production risks caused by poor operation and management, insufficient staff on duty in the power grid of blast furnace in an iron and steel enterprises, a new type of integrated automation system is proposed in this paper. Through the integrated use of protection, monitoring, communication and network technology, the hierarchical distribution computer monitoring system is designed. so as to achieve the purpose of unattended, and improving the reliability, safety and economy of electric supply system.Keyword：power grid automation; monitoring system; hierarchical distribution; communication