【作者】 郭艳艳；

【导师】 黄之初；

【作者基本信息】 武汉理工大学 ， 机械电子工程， 2004， 硕士

【摘要】 随着微处理机技术和局域网络技术的发展，计算机已深入工业生产过程的各个领域；同时由于越来越多、越来越大的水电工程开发，迫切需要更为先进和可靠的控制系统去操作日趋复杂的控制设备，前者为后者提供了丰富的软硬件基础，后者为前者的充分结合提供了具体的对象。由此便产生了当代的水电厂计算机监控系统。 本文首先从我国水电厂自动化发展概况入手，分析了我国水电厂自动化技术发展的过程，以及水电站自动化面临的机遇与挑战。 接着讨论了当今水电站计算机监控系统的模式：以计算机在控制中的作用划分，可分为计算机辅助监控系统(CASC)，以计算机为基础的监控系统(CBSC)，计算机和常规设备并存的监控系统(CCSC)；以控制的方式划分，有集中式监控系统，功能分散式监控系统，分层分布式监控系统，全分布全开放式监控系统。同时从水电实际生产过程的特点来讨论合适的控制方式。 文中还介绍了龙洞电厂的实际情况和据此所作的规划设计，介绍了本系统中最具特色最为核心的硬件基础——可编程序控制器。可编程序控制器以其高可靠性和灵活性深受用户欢迎。 机组LCU是监控系统中的基础和核心部分。文中讨论了龙洞电厂机组LCU的功能和结构，主要配置以及说明，软件设计思想，主要控制回路设计，测频技术及转速继电器，数据采集与处理技术，抗干扰技术等。 最后就人机联系以及水电厂计算机监控系统的人机联系的基本要求作了介绍，在人机界面的设计中离不开系统软件的应用，文中就计算机监控软件，即通用的工业过程控制软件组态王6.0的功能以及在龙洞电厂计算机监控系统中的应用作了介绍。 本文力求将理论运用于实践中。更多还原

【Abstract】 With the development of microprocessor and intranet technology,computers play a more and more important role in many aspects of industry process. At the same time ,the development of more large hydro projects makes it urgent to be equipped with more advanced and reliable control system to drive more complicated automatic facilities. Thus the modern Supervisory Control System of hydro plant generates.This paper firstly deals with the general automation development of hydro plants. In our country, then analyses the technology of automation as well as the chance & challenge of the automation of hydro plant.Secondly, It analyses various formats of SCS.There are three kinds of SCS from the view of how computer functions: CASC(Computer Assisted Supervisory Control ),CBSC(Computer Based Supervisorr Control )and CCSC(Computer Conventional Supervisory Control);there are four kinds from control method xoncentrative control system,function-scattered control system, equipment-distributed control system and completely open and distributed control system.. At the same time, the article discusses the suitable control methods combining the control method with practical process.Thirdly the article introduces situation of LongDong hydro plant and its programdesign, then introduces the most featured hardware--Programmable LogicController(PLC),which satisfied the users with its high reliability and flexibility.Turbine LCU is the base of core of SCS. The paper discusses the function and structure of the turbine LCU in Long Dong hydro plant, main equipments and instructions, idea of software design, frequency measuring technique, mutitranferring technique, data collecting & processing technique, anti-intererring technique and so on.Lastiy the article introduces the basic demands of the connections between machine and man. Usually ,we apply software in the design of platform between machine and operator, the article introduces the functions of the computer control software, taking thegeneral industry process control software--KingView6.0 for example, then introducesthe application of Computer Supervisory Control System in LongDong hydro plant.This paper presents entirely to combine the theory with application.更多还原