Simulation on mechanism model of intermediate point temperature for an ultra-supercritical 1000MW unit once-through boiler

YE Xiangqian; WANG Zhenyu; LI Xin; FANG Yanjun

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Simulation on mechanism model of intermediate point temperature for an ultra-supercritical 1000MW unit once-through boiler

Thermal Power Generation Vol. 43, Issue 4, Pages: 43-48(2014)

更新时间：2025-09-28

- Simulation on mechanism model of intermediate point temperature for an ultra-supercritical 1000MW unit once-through boiler
- 作者机构：
  
  1. 广东电网公司电力科学研究院
  2. 武汉大学动力与机械学院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TK229.2
- Published：2014
- 稿件说明：
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YE Xiangqian, WANG Zhenyu, LI Xin, et al. Simulation on mechanism model of intermediate point temperature for an ultra-supercritical 1000MW unit once-through boiler[J]. Thermal Power Generation, 2014, 43(4): 43-48.
DOI：

YE Xiangqian, WANG Zhenyu, LI Xin, et al. Simulation on mechanism model of intermediate point temperature for an ultra-supercritical 1000MW unit once-through boiler[J]. Thermal Power Generation, 2014, 43(4): 43-48. DOI：

摘要

对东方锅炉股份有限公司制造的超超临界1 000MW机组直流锅炉汽水分离器中间点焓值的机理模型进行仿真试验分析

并对机理模型和系统辨识模型分别进行开环动态特性和闭环控制仿真试验。结果表明

该机理模型能够较全面地描述中间点温度的动态特性

适用范围广

具有更好的响应快速性和稳定性

调节时间短、超调量小。

Abstract

The intermediate point enthalpy mechanism model of the once-through boiler manufactured by Dongfang Boiler Co.

Ltd.was simulated.Moreover

simulation tests on the open-loop dynamic characteristics and closed-loop control quality were performed.The simulation results show that

this mechanism model can describe the dynamic characteristics of temperature at the intermediate point comprehensively

which has a wide application range

rapid response speed

good stability

short settling time and small overshoot.

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