Numercial Simulation Study on the Effect of Different Transformer Pool Fire Areas on Valve Hall Fires in Converter Stations

JIAO Yangyang; DU Yuge; XIANG Lin; LI Fei; LI Xiaojie

doi:10.13296/j.1001-1609.hva.2026.08.007

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Numercial Simulation Study on the Effect of Different Transformer Pool Fire Areas on Valve Hall Fires in Converter Stations

Research & Analysis | 更新时间：2026-08-12

- Numercial Simulation Study on the Effect of Different Transformer Pool Fire Areas on Valve Hall Fires in Converter Stations
- High Voltage Apparatus Vol. 62, Issue 8, Pages: 51-57(2026)
- 作者机构：
  
  许继电气股份有限公司，河南许昌 461000
  华中科技大学煤燃烧国家重点实验室，武汉 430074
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2026.08.007
  CLC：
- Received：03 February 2026，
  
  Revised：2026-04-14，
  
  Published：16 August 2026
- 稿件说明：
移动端阅览
JIAO Yangyang, DU Yuge, XIANG Lin, et al. Numercial Simulation Study on the Effect of Different Transformer Pool Fire Areas on Valve Hall Fires in Converter Stations[J]. High Voltage Apparatus, 2026, 62(8): 51-57.
DOI：

JIAO Yangyang, DU Yuge, XIANG Lin, et al. Numercial Simulation Study on the Effect of Different Transformer Pool Fire Areas on Valve Hall Fires in Converter Stations[J]. High Voltage Apparatus, 2026, 62(8): 51-57. DOI： 10.13296/j.1001-1609.hva.2026.08.007.

摘要

高压换流阀变压器与阀厅相邻，一旦着火，火焰蔓延将会严重威胁到阀厅内主要换电设备换流阀的正常运行。为探究换流变压器火灾发展对阀厅影响机理，基于FDS软件构建高压换流站阀厅模型，分析变压器池火面积为2、5、10 m

工况下火灾发生时阀塔内烟度蔓延、可视度及温度分布情况，探究池火后对阀塔的影响。进一步的，对池火发生后的阀厅进行了轰燃性分析。结果表明：变压器发生池火时，3种工况下在起火发生900 s后，可见度均降低至5 m以下，大大影响救灾人员对灾情的研判。在2 m

池火发生后，火焰发展后对阀塔造成热损伤较小，在5、10 m

两工况下，池火发生后，阀塔热损伤较大。在10 m

池火发生时，轰燃需满足上层烟部温度为528℃，模拟工况轰燃可能性较小。

Abstract

The high-voltage converter valve transformer is adjacent to the valve hall. In the event of a fire

the flame spread will severely endanger the normal operation of the converter valve-the core power conversion equipment within the valve hall. For exploring the influence mechanism of fire development of converter transformer on valve hall

the valve hall model of high voltage converter station is constructed based on FDS software. The smoke spread

visibility and temperature distribution in valve tower are analyzed when the fire area of transformer pool fire is 2 m

5 m

10 m

and the influence of pool fire on valve tower is explored. Furthermore

the flashover analysis of the valve hall after the pool fire is carried out. The results show that in case of pool fire in the transformer

the visibility is reduced to less than 5 m after 900 s of the fire under three working conditions

which greatly affects the disaster relief personnel's assessment of the disaster. After the 2 m

pool fire occurs

the flame development causes less thermal damage to the valve tower. Under the two wo

rking conditions of 5 m

10 m

the thermal damage of the valve tower is larger after the pool fire occurs. In the event of a 10 m

pool fire

the flashover needs to meet the upper smoke temperature of 528℃

and the likelihood of the flashover under simulated conditions is small.

关键词

Keywords

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