Research on Reheated Steam Temperature Control of Supercritical Unit Based on Active Disturbance Rejection Controller Smith Predictive Compensation Method

Xiaobo CUI; Jiubin LIU; Hongxia ZHU; Xuanzhen ZHANG; Hui GU; Liang WANG

doi:10.12096/j.2096-4528.pgt.2018.055

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Research on Reheated Steam Temperature Control of Supercritical Unit Based on Active Disturbance Rejection Controller Smith Predictive Compensation Method

Power Generation and Environment Protection | 更新时间：2025-06-06

- Research on Reheated Steam Temperature Control of Supercritical Unit Based on Active Disturbance Rejection Controller Smith Predictive Compensation Method
- Power Generation Technology Vol. 39, Issue 4, Pages: 367-372(2018)
- 作者机构：
  
  南京工程学院能源与动力工程学院, 江苏省南京市 211167
- 作者简介：
- 基金信息：
  
  Scientific Research Foundation of Nanjing Institute of Technology(YKJ201607);The Provincial College Students' Science and Technology Innovation Project(201711276047X);Research Fund of Nanjing Institute of Technology(ZKJ201605)
- DOI：10.12096/j.2096-4528.pgt.2018.055
  CLC：
- Received：04 January 2018，
  
  Published：30 August 2018
- 稿件说明：
移动端阅览
Xiaobo CUI, Jiubin LIU, Hongxia ZHU, et al. Research on Reheated Steam Temperature Control of Supercritical Unit Based on Active Disturbance Rejection Controller Smith Predictive Compensation Method[J]. Power Generation Technology, 2018, 39(4): 367-372.
DOI：

Xiaobo CUI, Jiubin LIU, Hongxia ZHU, et al. Research on Reheated Steam Temperature Control of Supercritical Unit Based on Active Disturbance Rejection Controller Smith Predictive Compensation Method[J]. Power Generation Technology, 2018, 39(4): 367-372. DOI： 10.12096/j.2096-4528.pgt.2018.055.

摘要

为了解决超临界火电机组再热汽温波动大、自动难于投入以及喷水量大造成经济性差的问题，将自抗扰（active disturbance rejection controller，ADRC）控制技术与Smith预估补偿控制有机融合，提出了一种适用于存在大滞后与非线性特性的先进再热汽温优化控制策略。对某600 MW超临界机组再热汽温对象进行仿真研究，结果表明：与传统再热汽温控制系统相比，所提出的先进再热汽温控制策略可以减小再热汽温的波动，设定值跟踪性能与抗扰动能力均得到较大改善，同时可以减小喷水量提高机组经济性。

Abstract

In order to solve the problem of high reheated steam temperature fluctuation

difficult operation of automatic control and low economical efficiency because of high spraying water in supercritical unit

an advanced reheated steam temperature optimal control strategy being applicable to big lag and nonlinear characteristic was put forward by combining the active disturbance rejection controller (ADRC) with the Smith predictive compensation control. Through the simulation of the reheated steam temperature object in 600 MW supercritical unit

the results show that compared with the traditional reheated steam temperature control system

the proposed advanced reheated steam temperature control strategy can decrease the reheated steam temperature fluctuations

setpoint tracking performance and disturbance rejection can be improved

also the economical efficiency can be raised by reducing the amount of spraying water.

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references

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