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CONTROL ISSUES IN THE DESIGN OF A GAS TURBINE CYCLE FOR CO_2 CAPTURE

机译:用于CO_2捕获的燃气轮机循环设计中的控制问题。

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This article is concerned with control issues related to the design of a semi-closed O_2/CO_2 gas turbine cycle for CO_2 capture. Some control strategies and their interaction with the process design are discussed. One control structure is implemented on a dynamic simulation model using a predictive controller, and simulations assess the performance and compare its merits with a conventional PI structure. The results indicate that it can be advantageous for operability to allow a varying (as opposed to fixed) compressor inlet pressure, at the cost of a more expensive design. Furthermore, the results show that a predictive controller has some advantages with respect to the simpler conventional PI control structure, in particular in terms of constraint handling.
机译:本文关注与设计用于CO_2捕集的半封闭O_2 / CO_2燃气轮机循环相关的控制问题。讨论了一些控制策略及其与过程设计的交互作用。一种控制结构是使用预测控制器在动态仿真模型上实现的,仿真可以评估性能并将其优点与常规PI结构进行比较。结果表明,以更昂贵的设计为代价,允许变化的(与固定的相反)压缩机入口压力对于可操作性可能是有利的。此外,结果表明,相对于更简单的常规PI控制结构,预测控制器具有一些优势,特别是在约束处理方面。

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