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نویسندگان مقالات پربازدید :
مهندسی حرارتی 2013
جزئیات رویداد
همایش ، رویداد ، ژورنال
اینستاگرام تی پی بین
حوزه های تحت پوشش رویداد
  • جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 1198
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     we describe the sppa-t3000-based automated process control system developed in the course of retrofitting a standard 300-mw power unit into a combined-cycle plant equipped with a gas turbine unit, the heat of exhaust gases from which is recovered in the furnace of a once-through steam boiler modified for the possibility to operate according to the afterburning arrangement. specific features relating to development of the automated process control system for the power unit subjected to retrofitting are pointed out, which are stemming from the fact that the process equipment has nonconventional elements and may operate in different modes: a combined cycle without afterburning, the traditional steam power cycle, and a combined cycle with afterburning. the structure of the power unit process control system’s technical facilities is presented together with a detailed description of the architecture of its computerized automation subsystem/kernel, and the concept of integrating local control systems of separate process equipment items into the power unit automated process control system’s computerized kernel is also described. we also give some details about the set of control algorithms interavtomatika specialists have introduced on the basis of the modern sppa-t3000 computerized automation suite/system, the use of which makes it possible to achieve a high level of fitting the equipment with automated control functions. the control algorithms have been developed with due regard to the requirements of making them as fully-variable ones with automatic adaptation to each mode of power unit operation. the full-scale training simulator uniting a real automated process control system and a detailed physical model of the technological process, which had been developed and put in operation before the power unit startup, is described.

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