智能8000系列汽轮机监控系统硬件实现及软件监控系统的开发
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摘要
随着我国经济的快速发展,用电需求大幅度的提高,电力工业的安全生产成为关键,这样汽轮发电机组的安全运行就提到了议事日程上。如果对其不能够及时准确地进行监控,可能引起整个系统的崩溃,给国民经济带来巨大的损失。然而,我国现有的电力监控设备无法满足需求,研制新型智能化的汽轮机实时监控系统显得十分迫切而又极为重要。因此,武汉理工大学与江阴电力仪表有限公司共同开发了智能8000系列汽轮机实时监控系统。
     本文从汽轮机运行安全的实际需要出发,以智能8000系列汽轮机监控系统的研发过程为主线,重点讨论了智能仪表在研发过程的技术路线、研究方法和注意事项等。文中综述了目前国内外汽轮机监控系统的现状、发展和应用;对于监控系统的硬件电路设计,从监测原理、输入输出通道电路设计,通讯接口设计等方面进行了探讨,并充分利用PIC单片机进行了控制软件的设计,分析了部分算法的实现,并创造性将数个原分散的系统仪表的控制程序集成到单一的软件中去,简化了开发过程和用户对软件的管理;同时,文章分析了智能系统仪表可能产生干扰的因素以及相应处理措施;介绍了系统上位机软件的功能,并重点分析了实时数据采集功能的实现方法,给出了具体的程序代码;最后,文章论述了系统的调试方法及实验结果。
     现场运行表明,智能化方法设计的监测系统能有效地对工作在现场的汽轮机组起到保护作用。微机实时监控的介入进一步提高了系统的自动化水平,方便了技术人员对现场仪表监控状况的了解与管理。本监测系统安装维护方便,系统工作稳定、运行可靠、测量精度高,监测软件功能齐全,人机界面友好,具有工业生产实用价值。
With rapid development of national economics and huge requirement electricity increasing in industry, safety production is important for power system, which has to be put into consideration for the protection of stream turbine. If the system can't be monitored correctly and timely, it will be caused the collapse of the whole system and bring a great loss of country's economy. Currently monitoring device for stream turbine can't meet the requirement, design of new intelligent real-time monitoring system is very impendency and important. Wuhan University of Technology, cooperated with Jiang Ying Power Meter Corporation, develops a microcomputer real-time monitoring system of 8000 series stream turbine.
    For the running safety of stream turbine, the article discusses the design of monitor, developing method, precautions etc. The paper outlines the situation, devolvement and application home and aboard in stream turbine, and also discusses the monitoring principles, circuit design of input and output channel and communication interface. The monitoring software system is designed with PIC microcomputer whose arithmetic is studied in the article. The software groups several scattered procedure into only one, which simplifies the development process and management for users. At the same time, factors and relative measure that may produce the interference in the intelligence system are analyzed. Furthermore, article introduces computer system software function, which stress on the method of real-time data monitoring and the detail procedure code. Finally, test method and experiment result are described.
    The intelligent monitoring system safely protects the running of stream turbine in site. At the same time, real-time monitoring software further increases the system's automation level, which is convenient for both technician and management. It is facility to mount and maintain, reliable to operate, and precise to detect. The monitoring software has abundant functions and kind interface.
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