ANALYSIS AND OPTIMIZATION OF RUN BACK CONTROL STRATEGY FOR ULTRA-SUPERCRITICAL 1000 MW UNIT

CHEN Xiaoqiang; LUO Zhihao; YIN Feng Zhejiang Provincal Electric Power Testing and Research Institute

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ANALYSIS AND OPTIMIZATION OF RUN BACK CONTROL STRATEGY FOR ULTRA-SUPERCRITICAL 1000 MW UNIT

更新时间：2025-09-28

- ANALYSIS AND OPTIMIZATION OF RUN BACK CONTROL STRATEGY FOR ULTRA-SUPERCRITICAL 1000 MW UNIT
- Thermal Power Generation Vol. 39, Issue 7, Pages: 72-74(2010)
- 作者机构：
  
  浙江省电力试验研究院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621.3
- Published：2010
- 稿件说明：
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CHEN Xiaoqiang, LUO Zhihao, YIN Feng Zhejiang Provincal Electric Power Testing and Research Institute. ANALYSIS AND OPTIMIZATION OF RUN BACK CONTROL STRATEGY FOR ULTRA-SUPERCRITICAL 1000 MW UNIT[J]. Thermal power generation, 2010, 39(7): 72-74.
DOI：

CHEN Xiaoqiang, LUO Zhihao, YIN Feng Zhejiang Provincal Electric Power Testing and Research Institute. ANALYSIS AND OPTIMIZATION OF RUN BACK CONTROL STRATEGY FOR ULTRA-SUPERCRITICAL 1000 MW UNIT[J]. Thermal power generation, 2010, 39(7): 72-74. DOI：

摘要

以华能玉环电厂、国电北仑电厂超超临界1 000 MW机组为例

在对其辅机故障减负荷(RB)试验中炉膛负压和一次风母管压力波动大、水煤比严重失调导致蒸汽温度大幅波动等问题分析的基础上

对机组RB的炉膛压力、一次风母管压力、蒸汽温度控制策略进行了优化。实际应用表明

优化后机组RB的控制效果明显提高。

Abstract

Taking ultra-supercritical 1 000 MW units in Huaneng Yuhuan Power Plant and Guodian Beijing Power Plant as examples

on the basis of analysing problems occurred in the run back(RB) test

such as large fluctuation of negative pressure in the furnace

and of pressure in the primary air manifold

as well as large fluctuation of steam temperature resulting from serious misadjustment of the water/coal ratio

etc.

an optimization of control strategy for the furnace pressure

the pressure in primary air manifold

and the steam temperature during run back of the units have been carried out.Practical application shows that the effectiveness of RB control for units after optimization has been remarkably enhanced.

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