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1、煤矿坑口电厂综合自动化系统分析煤矿坑口电厂综合自动化系统分析 摘 要 电力作为基础行业，近年来随着其它行业的发展变化和电力体制改革 的不断深入，发电企业自身的发展也极为迅速，计算机在电厂的应用水平 越来越高，电厂对综合自动化系统的理解和认识也更加深刻，发电企业信 息化建设的步伐也日益加快。目前，发电企业迫切需要建立和完善综合自 动化系统，以实现企业资源整体优化，降低运营成本、提高经营效益，提 升管理水平、增强市场竞争力，给发电厂带来更好的经济效益和社会效益。 本文介绍的煤矿坑口电厂综合自动化系统模型，就是运用计算机科学 技术和现代通讯技术对电厂的生产、经营和管理流程进行全方位改造、资 源重新整
2、合、提高效率和效益、增强企业竞争力的过程，综合自动化不是 一般意义上的新技术应用和革新：而是更高层次上的全新管理革命。 本文首先介绍了煤矿坑口电厂的特点，电厂综合自动化系统的概念、 特点、层次结构和模型;其次，阐述了发电企业管理信息系统的结构和功能;第 三，介绍了电厂的厂级监控信息系统的概念，结构模型，功能;最后，描述 了电厂厂用电气监控系统的结构模型、功能，对机组及厂用电部分、电厂 升压站与地面 35KV 变电站部分进入厂用电气监控系统进行了介绍。 关键词:煤矿坑口电厂； 网络系统；综合自动化系统 ABSTRACT As the foundation trade，along with the
3、 development and change of other trades and the power systems reform constantly goes deep into in recent years，the development of generating electricity enterprise self is very rapid，the application standard of computer in the power plant is more and more higher, the understanding to the comprehensi
4、ve automation system of power plant is also deep as knows，and the step of information construction in generating electricity enterprise is also quickly increasing. At present to realize the whole optimizes of enterprise resources，reduce the operation cost，raise the management beneficial result，promo
5、te the management standard，strengthen the energetically competition of market，and bring better economic performance and social benefit to the power plant，generating electricity enterprise urgently needs to establish and perfect comprehensive automation system This paper introduces integrated automat
6、ic control system model of pit-head power station, it is apply computer science technology and modern communications technology to transform the power plants production，management and the managerial stream on all direction，conform resources again，raises efficiency and benefit and strengthen the ente
7、rprises competitive power . Comprehensive automation is not a new technology application and renovation in the general meaning，but is a completely new managerial revolution in the higher administrative levels. In this text, first of all, we brief introduce characteristics of coal mine pithead power
8、plant and integrated automatic control system of the power plant including: conception, characteristic ,hierarchical structure and model; next，we expound management information system of generate electricity enterprise, it is the structure and function; third，introduce clearly information monitoring
9、 system of plant level of power plant, that is: conception，structural model，function and safety protection in the monitored information control system; finally，description clearly station-service electric monitored control system in the power plant including: structural model、function; it also intro
10、duce the part of unit and station-service electricity , the part of booster station in the power plant and 35kV ground transformer substation in the integrated automatic control system Key words : Coal mine pithead power plant ； Network system ； Comprehensive automation system 目 录 1 煤矿坑口电厂综合自动化系统概述
11、.1 1.1 煤矿坑口电厂的特点.1 1.2 火电厂自动化发展阶段.2 1.3 火电厂自动化的发展趋势.5 1.4 我国火电自动化发展存在的问题.6 1.5 电厂综合自动化系统.7 1.5.1 三种组网方式.7 1.5.2 电厂综合自动化系统的概念.8 1.5.3 电厂综合自动化系统的基础.8 1.5.4 电厂综合自动化系统的目的.8 1.5.5 电厂综合自动化系统的特点.8 1.5.6 电厂综合自动化系统组成.9 1.5.7 电厂综合自动化系统的层次结构.10 1.6 电厂综合自动化系统功能概述.15 1.7 本论文要完成的主要工作.15 2 电厂管理信息系统 .16 2.1 概念.16 2.2 管理信息系统塔形结构.16 2.3 管理信息系统的局域网环境.17 2.4 管理信息系统信息来源.17 2.5 管理信息系统面向的对象.17 2.6 管理信息系统总体结构.17 2.6.1 管理信息系统子系统.19 2.6.2 各子系统的功能简介.19 3 电厂厂级监控信息系统 .21 3.1 发展厂级监控信息系统的原因.21 3.2 厂级监控信息系统的概念及作用.21 3.3 厂级监控信息系统(SIS)与机组(车间)级监控系统(单元机组 DCS)的 区别.
