MCP-CSH control of reheat steam temperature for supercritical power units

WU Sirun; YANG Ping

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MCP-CSH control of reheat steam temperature for supercritical power units

Thermal Power Generation Vol. 44, Issue 3, Pages: 63-68(2015)

更新时间：2025-09-28

- MCP-CSH control of reheat steam temperature for supercritical power units
- 作者机构：
  
  上海电力学院自动化工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK223.7
- Published：2015
- 稿件说明：
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WU Sirun, YANG Ping. MCP-CSH control of reheat steam temperature for supercritical power units[J]. Thermal Power Generation, 2015, 44(3): 63-68.
DOI：

WU Sirun, YANG Ping. MCP-CSH control of reheat steam temperature for supercritical power units[J]. Thermal Power Generation, 2015, 44(3): 63-68. DOI：

摘要

针对超临界机组再热蒸汽温度采用传统PID控制难以达到较好控制品质的问题

将基于多容惯性标准传递函数方法设计的串联校正状态反馈协调型(MCP-CSH)控制器用于再热蒸汽温度控制。仿真结果为:设定值扰动时

控制系统响应无超调且调整时间短;燃料扰动时

控制系统响应的最大动态偏差仅为传统PID控制的50%;鲁棒性试验时

在过程惯性时间上浮32%或过程增益下降80%情况下控制系统仍然保持良好的控制品质。对比表明

新型控制器的再热蒸汽温度控制品质显著优于传统PID控制器。

Abstract

The conventional PID controller cannot obtain good control effects in reheat steam temperature for supercritical power units. Thus

the cascade compensation and state-variable feedback Harmony( CSH) controller was adopted to control the reheat steam temperature. The simulation experiments show that

during the setting value disturbance test

response of the new control system has no overshoot and the regulation time is short. During the fuel disturbance test

the maximum dynamic deviation of the new control system's response is only 50% of that of the conventional PID control system. During the robustness test

the new control system con still keep great control quality when the process inertia time increases by32% or the process gain decreases by 80%. Therefore

the new control system has a better control quality on reheat steam temperature than the conventional PID control system.

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Related Institution

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