基于自适应策略的宽负荷主汽温控制  

Control of Superheated Steam Temperature System for Wide Load Based on Adaptive Strategy

作　　者：杨小龙 于国强[1] 张天海 崔晓波 YANG Xiaolong;YU Guoqiang;ZHANG Tianhai;CUI Xiaobo(Jiangsu Frontier Electric Technology Co.,Ltd.,Nanjing 211102,China;School of Energy and Power Engineering,Nanjing Institute of Technology,Nanjing 211167,China)

机构地区：[1]江苏方天电力技术有限公司,南京211102 [2]南京工程学院能源与动力工程学院,南京211167

出　　处：《自动化与仪表》2025年第2期32-38,共7页Automation & Instrumentation

摘　　要：过热汽温系统的高质量运行影响火电机组的安全性、经济性和稳定性,如何提高过热汽温系统在大范围变工况下的控制品质已成为一个研究热点。该文提出了一种基于积分增益自适应的PID控制策略,在介绍过热汽温系统和典型工况下模型的基础上分析了其控制难点,然后在串级控制结构基础上提出了基于积分增益自适应PID控制策略,并通过PID稳定域计算分析了所提控制策略的稳定性。最后通过典型工况下的标称工况和不确定性工况的控制效果验证提出方法的有效性,显示了很强的应用前景和价值。The high-quality operation of superheated steam temperature system affects the safety,economy and stability of thermal power units,and how to improve the control quality of superheated steam temperature system under a wide range of variable operating conditions has gradually become a research hotspot.In this paper,a PID control strategy based on integral gain adaptive strategy is proposed.The control difficulties are analyzed on the basis of introducing the superheated steam temperature system and the model under typical operating conditions,and then the PID control strategy based on integral gain adaptive strategy is proposed on the basis of the cascade control structure,and the stability of the proposed control strategy is analyzed through the calculation of the PID stability domain.Finally,the effectiveness of this method is verified by the control effect of nominal and uncertainty conditions under typical working conditions,which shows strong application prospects and application value.

关 键 词：过热汽温 串级控制 积分增益自适应 鲁棒性 

分 类 号：TK32[动力工程及工程热物理—热能工程] TP273[自动化与计算机技术—检测技术与自动化装置]