Reheat steam temperature model identification of ultra supercritical unit with double reheat cycles

SU Rongqiang; WU Hengyun; YANG Guotian

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Reheat steam temperature model identification of ultra supercritical unit with double reheat cycles

更新时间：2025-09-28

- Reheat steam temperature model identification of ultra supercritical unit with double reheat cycles
- Thermal Power Generation Issue 4, (2016)
- 作者机构：
  
  1. 华北电力大学控制与计算机工程学院,北京,102206
  2. 西安热工研究院有限公司,陕西,西安,710032
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK39
- Published Online：15 May 2016，
  
  Published：2016
- 稿件说明：
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SU Rongqiang, WU Hengyun, YANG Guotian. Reheat steam temperature model identification of ultra supercritical unit with double reheat cycles[J]. Thermal power generation, 2016, (4).
DOI：

SU Rongqiang, WU Hengyun, YANG Guotian. Reheat steam temperature model identification of ultra supercritical unit with double reheat cycles[J]. Thermal power generation, 2016, (4). DOI：

摘要

二次再热机组锅炉再热蒸汽温度(再热汽温)动态特性与一次再热机组差异较大。本文基于由仿真支撑软件APROS和虚拟控制器VDCS搭建的超临界1 000 MW二次再热机组仿真平台

结合差分进化算法和广义损失函数，编制再热汽温模型辨识程序

对再热汽温系统进行扰动试验

得到100％和75％额定工况下烟气调节挡板开度、烟气再循环挡板开度以及再热器喷水阀开度扰动下的再热汽温传递函数模型。仿真结果表明，该再热汽温模型辨识精度高

且传递函数模型能很好地解释再热汽温在各扰动下的动态特性。

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