核电站电气监控系统组网研究
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摘要
当前,国家大力发展核电装机和推进核电国产化进程,国内核电工程建设方兴未艾,随着技术的不断发展和实践经验的积累,我国核电技术开始高水平地起步,已经开始自主设计、安装、调试核电DCS (Distributed Control System)系统,大幅度提高了核电站自动化水平。
而核电站电气监控网络则侧重于核电站电气系统的监控,其技术和管理水平相对滞后DCS系统的发展,是核电站自动化发展的“短板”,由于核电机组对电气系统的安全、经济运行的要求高,常规的分散监测和控制方式已经不适应当前的形式发展。在大力发展核电技术和推进国产化的背景下,研究核电站电气监控系统的组网,能够提升核电站电气设备的技术和管理水平,能够协调核电站仪控与电气自动化的同步发展,能够全面提高核电站的自动化水平和管理水平,能够提升增强核电站低成本的优势和竞争能力,本课题具有非常重要的现实意义。
本文根据火电站电气监控系统的实例进行技术分析和经济分析,根据核电站电气系统的结构特点,参考目前火电站的工程实践以及电气监控系统的技术方案,利用现场总线这项先进技术,对核电站电气监控系统的组网方案进行研究论证,对各种组网方案进行了详细的论述比较,特别对现场总线组网方案的实时性和可靠性进行了分析,得出了各种组网方案的优缺点。在进行充分的研究和分析的基础上,提出了利用现场总线技术进行核电站电气监控系统的组网方案,该方案和其他方案比较,有着技术先进、节省投资、维修方便的明显优点,随着核电技术的发展,利用现场总线技术组成电气监控网络的方案将会得到广泛的应用。
Currently, our country develops installed of the nuclear power and advances domestic participation process of the nuclear power hardly, domestic nuclear power project has just been unfolding, with technology continues to evolve and the accumulation of practical experience, high level of the nuclear power technology in China began to start, which has begun to independently design, install and test distributed control system of the nuclear power, greatly improved the automation level of the nuclear power plant.
However, the nuclear power plant electrical monitoring network will focus on monitoring the nuclear power plant electrical system, their technical and management level has lagged behind the development of DCS, which is the "shortcoming" for development of the nuclear power plant automation, as the high requires of the nuclear power unit on the electrical system safety、economic operation, dispersed monitor and control of conventional methods no longer meet the current form of the development. In the context of developing nuclear power technology and advancing domestic participation, researching network of electrical monitoring system, can enhance electrical equipment technology and management level of the nuclear power plant, coordinate simultaneous development in instrumentation and electrical automation of the nuclear power plant, comprehensively improve the level of automation and management level of the nuclear power plant, enhance the advantage of the lower costs and competitiveness of the nuclear power plant, so this topic has very important practical significance.
According to the example of the fossil-fuel power plant on electrical monitoring system, this article carried on technical analysis and economic analysis, and according to the structural features of the nuclear power plant electrical system, reference to the engineering practice of the fossil-fuel power plant and technology method of the electrical monitoring system, using the advanced technology of the field bus, this article carry out research and feasibility studies on networking scenario of the nuclear power plant on electrical monitoring system, and carried on compare to varieties of networking options, in particular, it carried on real-time and reliability analysis on field bus networking scenario, obtained the advantages and disadvantages of various network scenario. On the basis of carrying out a full research and analysis, by using the field bus technology, this article proposed network scenario of the nuclear power plant electrical monitoring system. Comparing the program and other programs, this has the obvious advantages of advanced technologies, saving investment, easy maintenance and so on. With the development of the nuclear power technology, by using field bus technology which composes the scenario of the electrical monitoring system, we believe it will be widely used.
而核电站电气监控网络则侧重于核电站电气系统的监控,其技术和管理水平相对滞后DCS系统的发展,是核电站自动化发展的“短板”,由于核电机组对电气系统的安全、经济运行的要求高,常规的分散监测和控制方式已经不适应当前的形式发展。在大力发展核电技术和推进国产化的背景下,研究核电站电气监控系统的组网,能够提升核电站电气设备的技术和管理水平,能够协调核电站仪控与电气自动化的同步发展,能够全面提高核电站的自动化水平和管理水平,能够提升增强核电站低成本的优势和竞争能力,本课题具有非常重要的现实意义。
本文根据火电站电气监控系统的实例进行技术分析和经济分析,根据核电站电气系统的结构特点,参考目前火电站的工程实践以及电气监控系统的技术方案,利用现场总线这项先进技术,对核电站电气监控系统的组网方案进行研究论证,对各种组网方案进行了详细的论述比较,特别对现场总线组网方案的实时性和可靠性进行了分析,得出了各种组网方案的优缺点。在进行充分的研究和分析的基础上,提出了利用现场总线技术进行核电站电气监控系统的组网方案,该方案和其他方案比较,有着技术先进、节省投资、维修方便的明显优点,随着核电技术的发展,利用现场总线技术组成电气监控网络的方案将会得到广泛的应用。
Currently, our country develops installed of the nuclear power and advances domestic participation process of the nuclear power hardly, domestic nuclear power project has just been unfolding, with technology continues to evolve and the accumulation of practical experience, high level of the nuclear power technology in China began to start, which has begun to independently design, install and test distributed control system of the nuclear power, greatly improved the automation level of the nuclear power plant.
However, the nuclear power plant electrical monitoring network will focus on monitoring the nuclear power plant electrical system, their technical and management level has lagged behind the development of DCS, which is the "shortcoming" for development of the nuclear power plant automation, as the high requires of the nuclear power unit on the electrical system safety、economic operation, dispersed monitor and control of conventional methods no longer meet the current form of the development. In the context of developing nuclear power technology and advancing domestic participation, researching network of electrical monitoring system, can enhance electrical equipment technology and management level of the nuclear power plant, coordinate simultaneous development in instrumentation and electrical automation of the nuclear power plant, comprehensively improve the level of automation and management level of the nuclear power plant, enhance the advantage of the lower costs and competitiveness of the nuclear power plant, so this topic has very important practical significance.
According to the example of the fossil-fuel power plant on electrical monitoring system, this article carried on technical analysis and economic analysis, and according to the structural features of the nuclear power plant electrical system, reference to the engineering practice of the fossil-fuel power plant and technology method of the electrical monitoring system, using the advanced technology of the field bus, this article carry out research and feasibility studies on networking scenario of the nuclear power plant on electrical monitoring system, and carried on compare to varieties of networking options, in particular, it carried on real-time and reliability analysis on field bus networking scenario, obtained the advantages and disadvantages of various network scenario. On the basis of carrying out a full research and analysis, by using the field bus technology, this article proposed network scenario of the nuclear power plant electrical monitoring system. Comparing the program and other programs, this has the obvious advantages of advanced technologies, saving investment, easy maintenance and so on. With the development of the nuclear power technology, by using field bus technology which composes the scenario of the electrical monitoring system, we believe it will be widely used.
引文
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[3]甘永梅.《现场总线技术及其应用》[M]北京：机械工业出版社.2004.06：10-13.
[4]戚建中.电厂厂用电监控统系ECS通信技术探讨[J].电力自动化设备.2007(01)：1-3.
[5]广东核电集团.核电站电气系统初步设计文件[R].2009,8：9-13.
[6]王兆义,何有生.现场总线技术展望[J].电气自动化.2009(10)：2-3.
[7]朱守云.现场总线之战与未来发展[J].世界电子元器件.2001(8)：1-2.
[8]王尾娜.大型发电厂厂用电系统监控方式研究[D].华北电力大学论文.2009,5：4-15.
[9]罗安.现场总线核现场总线控制系统[J].自动化博览.2008(06)：3-6.
[10]李爱军. 四种现场总线的技术特点比较[J].城市轨道交通研究.2009(04)1-3.
[11]许伟,曹沛雯.现场总线与以太网在自控系统中的结合应用[J].国内外机电一体化技术.2006(05)：2-4.
[12]吕强.厂用综合自动化系统的应用研究[D].合肥工业大学硕士学位论文.2008：10-14.
[13]宣威发电厂.六期工程控制系统调研报告[R].云南.2001：12-16.
[14]吴泽生,吴艳萍.数字化电气监控管理系统的探讨[J].电力自动化设备.2004(01)：8-12.
[15]王君铖.浅谈电气自动化控制系统的设计思想[J].科技信息.2006(04)：2-3.
[16]钱素娟.论发电厂电气自动化系统监控技术的发展趋势[J].沿海企业与科技COASTAL ENTERPRISES AND SCIENCE & TECHNOLOGY.2010 (02) 1-2.
[17]王振霞,焦邵华,李娟,刘光涛.发电厂分布式电气控制系统(FECS)的实时性分析[C]中国高等学校电力系统及其自动化专业第二十二届学术年会论文集.2006：22-24.
[18]叶进,许进,郁航.论火电厂分布式电气控制系统的实时响应[J].科技风.2009：1-3.
[19]刘志超,丁建民.任锦兴等.基于以太网的分布式发电厂电气监控系统实现[J].电力系统自动化.2004： 1-3.
[20]蒋丽华,郑汝祥,徐永双.云南宜威电厂火力发电机组控制系统一体化技术应用研究[J].电力信息化.2005(04)：1-4.
[21]刘伟.火力发电厂一体化监控及现场总线技术探讨[C].中电联桂林DCS会议论文集.中电联2007：43-44.
[22]黄斌.发电厂电气自动化监控系统功能分析[J].科技资讯,SCTENCE&TECHNOLOGY TNFORNIATTON.2009 (14):2-3.
[23]陈保林.论发电厂电气自动化系统监控技术的发展趋势[J].华章2010(02)：1-2.
[24]陈洪峰.国内电气自动化发展状况与趋势[J].科技创新导报.2009(01)：1-3.
[25]朴成刚,郭玉龙,胡正洪.火力发电厂电气监控系统的应用和发展方向[J].天津电力技术.2008(03)：1-3.
[26]黄自雨.发电厂电气部分监控系统的研究[J].科技致富向导.2009(14)：3-4.
[27]ZHANG XIAO-JIANG, SUN WANG-LIN, Discussion about Setting up Monitoring and Management System for Electrical Auxiliary System of Power Plant[J] LOW VOLTAGE APPARATUS 2006 (000),002 12-19.
[28]翟辉.浅谈电厂电气自动化方案设计[J].才智.2009(25)：1-3.
[29]Li Zhongnian, Ge Xiaomin, Zhang Peng. Research and Development of Sensor in Automobile Application. Proc.ISTAI.2006 (13),1049-1051.
[30]乔中亚.发电机组电气监控功能纳入D C S的工程应用[[J].江苏电机工程,2004,23(6)：30-31.
[31]DL/T5153火力发电厂厂用电设计技术规定[S].2002：9-12.
[32]DL5000火力发电厂设计技术规程[S].2000：23-25.
[33]RCC—E October [S].2002:15-15.
[34]YeXianHua, HuangDongHui, Wang Donghui. An Improvement on Auxilliary Electric System [J] XianhuaEAST CHINA ELECTRIC POWER 2004 (02) 23-26.
[35]Michael Pettersson. A study of efficient sensor I/O interface and signal acquisition techniques for electrical control units. [J]. University essay from Linkopings universitet/Elektroniska komponenter.2010:2-5.
[36]宋和斌.火电厂电气监控系统的设计和实施[J].中国电力教育.2010：1-4.
[37]石传光.由新建发电机组电气监控系统引起的思考[J].大众科技.2009：1-4.
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