长湖水电厂监控系统更新改造特点

Renovation Characteristics of the Computer Monitoring and Control System of Changhu Hydropower Plant

介绍了长湖水电厂原有计算机监控系统的运行情况,分析了原系统经常死机、修改程序困难、人机界面不好、模块采集点数较少、扩展困难等问题的原因。采用主要由SunBlade2000工作站SJ-600智能型分布式现场控制装置组成的NC2000新一代监控系统代替原系统,消除了存在的问题。改造过程中,采取了多种措施保证新、旧监控系统同在一个系统中运行和平稳过渡,不影响电厂设备的正常运行。

The performance of the previous computer monitoring and control system of the Changhu Hydropower Plant is introduced.The causes of frequent computer crash,difficult modification of program,inconvenient human-computer interface,insufficient module collecting spots and difficult memory extension are analyzed.The new computer monitoring and control system NC2000 is mainly composed of SunBlade2000 workstation and SJ-600 LCUs,so the above problems are avoided.Many measures are taken during the renovation to ensu...