Compensation of control-loop interaction for power plant wide-range operation

被引：19
|
作者：
Garduno-Rdmirez, R
Lee, KY
机构：
[1] Elect Res Inst, Div Control Syst, Cuernavaca 62490, Morelos, Mexico
[2] Penn State Univ, Dept Elect Engn, University Pk, PA 16801 USA
来源：
CONTROL ENGINEERING PRACTICE | 2005年 / 13卷 / 12期
基金：
美国国家科学基金会;
关键词：
power plant; wide-range operation; decentralized control; control loop interaction; equivalent gain matrix; interaction compensation; inverted decoupling;
D O I：
10.1016/j.conengprac.2005.03.006
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Power plants are being required to undertake large power variations to satisfy electricity demand, whereas their control systems comprise decentralized control loops and ad-hoc compensation schemes, to deal with loop interaction, for regulation and disturbance rejection at base load. This paper presents a compensation scheme that lessens control loop interaction, caused by the nonlinear coupled process dynamics, to ease power generation control throughout the power plant operating space. Compensation factors are systematically determined from a process gain matrix that conveys all interaction information. Numerical analysis and simulation experiments demonstrate the feasibility of power plant wide-range operation with the proposed compensator. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1475 / 1487
页数：13
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