APPLICATION OF DOUBLE-MODE CONTROL STRATEGY OF SUPERHEATED STEAM TEMPERATURE TO DCS

FENG Jiang-tao Taiyuan Electric Power High Profession College

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APPLICATION OF DOUBLE-MODE CONTROL STRATEGY OF SUPERHEATED STEAM TEMPERATURE TO DCS

更新时间：2025-09-28

- APPLICATION OF DOUBLE-MODE CONTROL STRATEGY OF SUPERHEATED STEAM TEMPERATURE TO DCS
- Thermal Power Generation Vol. 38, Issue 5, Pages: 80-83(2009)
- 作者机构：
  
  太原电力高等专科学校信息工程系
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK323
- Published：2009
- 稿件说明：
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FENG Jiang-tao Taiyuan Electric Power High Profession College. APPLICATION OF DOUBLE-MODE CONTROL STRATEGY OF SUPERHEATED STEAM TEMPERATURE TO DCS[J]. Thermal power generation, 2009, 38(5): 80-83.
DOI：

FENG Jiang-tao Taiyuan Electric Power High Profession College. APPLICATION OF DOUBLE-MODE CONTROL STRATEGY OF SUPERHEATED STEAM TEMPERATURE TO DCS[J]. Thermal power generation, 2009, 38(5): 80-83. DOI：

摘要

大型火电机组过热蒸汽温度作为被控对象具有滞后性、非线性、时变性

采用常规PID串级控制难以达到较好的控制效果。综合模糊及PI控制器的优点

提出了一种二模态控制策略

并将其应用于某超临界600MW机组过热蒸汽温度的控制

在DCS上进行了控制策略的设计组态和调试。基于虚拟处理单元(VDPU)的仿真表明

该算法可以有效地适应被控对象在运行中参数变化的影响

控制品质良好。

Abstract

The superheated steam temperature of a large-scale generating unit has long time-delay

nonlinearity

time-variation and large time constant

which makes the effect of traditional PID control strategy not satisfactory.Base on the characteristics of Fuzzy and PI controllers

a double-mode control strategy is presented and applied to a 600 MW supercritical generating unit for temperature control of superheated steam.The design configuration and debugging of this control strategy is accomplished on a DCS.Simulation results based on VDPU show that this method can effectively adapt to the changing of objective parameters with good control performance compared with PID control.

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