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电力大数据:2018,21(1):-
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控制数据一体化火电厂应用实践
徐利平,胡兴
(贵州金元茶园发电有限公司,贵州金元茶园发电有限公司)
Application practice of control data integrated thermal power plant
Xuliping and Huxing
(Guizhou Jinyuan#$NBSChayuan Power,CO,LTD,Guizhou Jinyuan#$NBSChayuan Power,CO,LTD)
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投稿时间:2018-01-14    修订日期:2018-01-16
中文摘要: 某电厂对辅助控制系统的使用模式进行了研究,报告了控制系统使用PLC与DCS的市场现状、投资情况,论证了辅助控制系统使用与主机控制系统一样的DCS是有优势的,电厂从招标期间开始规划水、煤、灰、脱硫等系统使用与主机控制系统一样的DCS,通过以太网不同网段地址设置,将电厂的控制系统分为3个网段:1号机组及公用网、2号机组网、辅网控制,控制系统通过冗余的千兆主干交换机Core实现数据相互传输,实现了控制、数据一体化,同时也论证了集中监控方案的优点,因此决定采用主机集控+辅网集控的监控布局,运行人员对应分为主机运行部、综合运行部,在这2个集控室实现监控,优化了管理模式,阐述了DCS的网络结构与数据交换的方式,最后分享了一体化建设的经验,具有一定的推广价值。
Abstract:The use mode of the auxiliary control system is studied in a certain power plant, and the market status and investment situation of the control system using PLC and DCS are reported. It is demonstrated that the auxiliary control system has the advantage of using the same DCS as the host control system. The power plant began to plan water, coal, ash, desulfurization and other systems in the same way as the DCS of the host control system during the bidding period. The control system of the power plant is divided into 3 network segments through the Ethernet network address different settings: No. 1 unit and public network, No. 2 unit network, auxiliary network control, the control system realizes data transmission through the redundant Gigabit backbone switch Core. The integration of control and data is realized. At the same time, the advantages of the centralized monitoring scheme are demonstrated. Therefore, it is decided to adopt the monitoring layout of the centralized control + auxiliary network set control. Operations staff corresponding is divided into the host operation department and the comprehensive operation department. In these 2 centralized control rooms, the management model is optimized. The network structure of DCS and the way of data exchange are expounded. Finally, it shares the experience of integration construction, and has certain promotion value
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