4、字化发电厂过程控制的需求,对采用现场总线进行了技术分析,并对工程造价进行了比较;第五章以1000MW燃煤发电机组为例,进行了实际的应用设计;第六章则从推广应用的角度出发,提出应用中可能出现的问题,以及对应的预防措施;第七章为全文的总结,及对现场总线技术在发电厂应用的展望。 关键词:电厂,现场总线,PROFIBUSAPPLICATION INVESTIGATION OF FIELDBUS IN DIGITAL POWER PLANTS ABSTRACTThe fieldbus and Fieldbus Con
5、trol System became the focus of automatic technology in the world, following the development of electronic, instrumentation, computer and network technology. The fieldbus had already been applied to the areas of chemical, petroleum and metallurgy successfull
6、y. But there is vacancy of full application in domestic large-capacity power plant unit control. Overseas, the speed of Fieldbus Control System application in power plants is also slower than other areas, and full application is also minority. With the voice
7、 of power plant process fully digitized control increasing, application of fieldbus and Fieldbus Control System in the power plants has been made to our new challenges. The paper investigates the development background and trend of fieldbus, and discusses it
8、s characters and advantage. It also introduces the application states of fieldbus technology in power plants and analyzes several well-known fieldbus standards, which are adapted to power plants