Dynamic simulation model for ultra supercritical 1 000MW unit boilers

XU Hui 1; XU Ershu2 1.College of Control and Computer

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Dynamic simulation model for ultra supercritical 1 000MW unit boilers

更新时间：2025-09-28

- Dynamic simulation model for ultra supercritical 1 000MW unit boilers
- Thermal Power Generation Vol. 42, Issue 7, Pages: 26-31(2013)
- 作者机构：
  
  1. 华北电力大学控制与计算机工程学院
  2. 华北电力大学电站设备状态监测与控制教育部重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621
- Published：2013
- 稿件说明：
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XU Hui 1, XU Ershu2 1.College of Control and Computer. Dynamic simulation model for ultra supercritical 1 000MW unit boilers[J]. Thermal power generation, 2013, 42(7): 26-31.
DOI：

XU Hui 1, XU Ershu2 1.College of Control and Computer. Dynamic simulation model for ultra supercritical 1 000MW unit boilers[J]. Thermal power generation, 2013, 42(7): 26-31. DOI：

摘要

根据谏壁发电厂超超临界1 000MW机组直流锅炉结构和水冷壁内工质不同压力阶段的换热特点

采用变相变点方法建立了超超临界直流锅炉水冷壁热水段、蒸发段、过热段长度随锅炉负荷变化的动态仿真模型

并在此基础上

利用STAR-90仿真平台建立了谏壁发电厂超超临界1 000 MW机组直流锅炉实时动态仿真模型。对所建仿真模型的动静态特性试验表明

该模型具有良好的动、静态特性

能够准确模拟该机组的起动和停止过程及一些典型故障工况。

Abstract

On the basis of heat transfer characteristics of working fluid at different pressures inside the water wall tube and structure of the ultra supercritical 1 000MW unit once through boiler in Jianbi Power Plant

the varying phase transformation point method was adopted to establish the moving-boundary dynamic simulation model of water wall in ultra supercritical once through boilers

especially the length variation of hot water section

evaporation section and superheat section against the load changing.On this basis

the real-time dynamic simulation model for ultra-supercritical 1 000 MW unit boiler in Jianbi Power Plant was built on the STAR-90simulation platform.The dynamic and static characteristics test showed that

this model can simulate the unit's startup/shutdown process and some typical fault conditions accurately

and had good dynamic and static performance.

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