INFLUENCE OF UNITS' CHARACTERS UPON THE RUN BACK TEST

LIU Min North-west China Electric Power Construction and Debugging Research Institute

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INFLUENCE OF UNITS' CHARACTERS UPON THE RUN BACK TEST

更新时间：2025-09-28

- INFLUENCE OF UNITS' CHARACTERS UPON THE RUN BACK TEST
- Thermal Power Generation Vol. 39, Issue 6, Pages: 44-47(2010)
- 作者机构：
  
  西北电力建设调试施工研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM621
- Published：2010
- 稿件说明：
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LIU Min North-west China Electric Power Construction and Debugging Research Institute. INFLUENCE OF UNITS' CHARACTERS UPON THE RUN BACK TEST[J]. Thermal power generation, 2010, 39(6): 44-47.
DOI：

LIU Min North-west China Electric Power Construction and Debugging Research Institute. INFLUENCE OF UNITS' CHARACTERS UPON THE RUN BACK TEST[J]. Thermal power generation, 2010, 39(6): 44-47. DOI：

摘要

结合大唐灞桥热电厂2×300 MW热电机组和印度Sagardighi电厂2×300 MW机组的特性

分析了辅机故障减负荷(RB)工况下的机组控制方式

并对其控制策略进行了优化和试验。试验表明

对于RB工况下的主蒸汽压力控制采用定压方式有助于抑制RB时蒸汽温度的快速下降

以定压方式减负荷

机组可快速恢复原工况;对于一次风机RB

机组采用的设备特性不同其控制策略应不同。

Abstract

Combined with characters of 2×300 MW units in Datang Baqiao Thermal Power Plant

and that of 2×300 MW units in Sagardighi power plant of India

the control mode of units under operating condition of run back(RB) has been analysed

and their control stratege being optimized and tested.Test shows that the adoptation of constant pressure mode for main steam pressure control is helpful to constrain the rapid decrease of steam temperature during the time of RB operation.Decreasing load under constant pressure

the original operating condition of unit can quickly be restored.For RB of the primary air fans

different control stratege should be adopted due to different characters of equipments used for units.

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