摘要本次论文研究与设计了发电厂电气部分的监测系统，针对发电厂的厂用电系统进行了分析，对发电厂自动化系统中监测系统的的发展状况进行了研究。在FCS技术与现场总线带来的新一代的技术创新，发电厂的电气系统，其中包括机组电气部分、升压站部分、以及厂用电部分，它们的保护监控以及自动化正一步步成为新一代的技术热点。在当前的发电厂里，电气系统自动化水平与热工自动化水平存在明显的不同，所以该文章根据工程中的实际情况，针对如今发电厂电气监控系统所使用的方式的缺点，构建出了要用现场总线和以太网进行系统组建的方案，该方案使用了51单片机和12位高精度A/D转换器组成的硬件平台，在软件设计方面，使用了以多任务实时操作系统为基础的软件设计方法，并研究设计了监控系统的通讯策略。75806

毕业论文关键词：发电厂  现场总线  数据采集  测量装置

Design of Power Equipment Mointoring System in Power Plant

Abstract The research and design of the electrical part of power plant monitoring system, in view of the power plant of the factory power system are analyzed。 On the development status of DCS system in power plant automation system are studied。 In FCS Technology and field bus to bring a new generation of technology innovation, the power plant electrical system, including unit of electrical, booster station part, and auxiliary power part, their protection and monitoring and automation is a step by step become hot technology in a new generation of。 In the current power plant, electric system automation level and the thermal automation level exists significant differences。 Therefore, this paper according to the actual situation of Engineering, For now power plant electric control system uses the disadvantage, this paper proposes to use fieldbus and Ethernet were used to construct the system of scheme, the scheme used advanced 32-bit embedded micro controller and a 16 bit high precision A/Dconsisting of hardware platform, in the software design, the use of multi task real-time operating system based software design method, and to study the design of the monitoring system of communication strategy。

Key words: power plant  electrical monitoring system  field bus  measurement and control device

目  录

    摘  要 I

   Abstract II

   目  录 III

   1 绪论 1

1。1课题背景意义 1

1。2电气监控系统的国内外研究现状 1

1。3本论文的主要工作 3

   2 发电厂电气监测 3

2。1发电厂监测系统发展 3

2。2发电厂电气部分 4

2。3发电厂监测系统的模式 6

2。4小结 7

   3 现场总线的应用研究 8

3。1发展状况 8

3。2现场总线概况 8

3。3现场总线的优势 10

3。4现场总线的应用 10

3。5小结 12

   4 发电厂监测系统设计 12

4。1 整体设计思路