密封油含气量对氢冷发电机氢气纯度影响研究

王笑微; 刘永洛; 尹文波; 王腾; 吕秀娟; 王娟; 常治军

doi:10.19666/j.rlfd.202004137

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密封油含气量对氢冷发电机氢气纯度影响研究

热力发电 2021年50卷第4期页码：109-113

发电技术论坛 | 更新时间：2025-09-28

- 密封油含气量对氢冷发电机氢气纯度影响研究
- Influence of dissolved gas content in sealing oil on hydrogen purity of hydrogen-cooled generator
- 作者机构：
  
  西安热工研究院有限公司
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202004137
  中图分类号： TM31
- 纸质出版：2021
- 稿件说明：
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王笑微, 刘永洛, 尹文波, 等. 密封油含气量对氢冷发电机氢气纯度影响研究[J]. 热力发电, 2021,50(4):109-113.

WANG Xiaowei, LIU Yongluo, YIN Wenbo, et al. Influence of dissolved gas content in sealing oil on hydrogen purity of hydrogen-cooled generator[J]. Thermal Power Generation, 2021, 50(4): 109-113.
王笑微, 刘永洛, 尹文波, 等. 密封油含气量对氢冷发电机氢气纯度影响研究[J]. 热力发电, 2021,50(4):109-113. DOI： 10.19666/j.rlfd.202004137.

WANG Xiaowei, LIU Yongluo, YIN Wenbo, et al. Influence of dissolved gas content in sealing oil on hydrogen purity of hydrogen-cooled generator[J]. Thermal Power Generation, 2021, 50(4): 109-113. DOI： 10.19666/j.rlfd.202004137.

摘要

氢冷发电机氢气纯度下降会导致发电机过热、绝缘材料老化甚至损毁、发电及冷却效率降低

是发电机安全及经济运行的一大隐患。本文通过模拟发电机内氢气和密封油间的气体扩散试验

得到保持发电机氢气纯度在96%以上时密封油含气体积分数应控制在4%以内的结论。该研究成果可用于运行中密封油的质量监控

有助于保持氢冷发电机氢气纯度的稳定

同时可作为运行中密封油质量标准修订的依据和数据支撑。

Abstract

The decline of hydrogen purity is a major hidden danger for safety and economic operation of hydrogencooled generator

which will lead to the reducing efficiency of generating and cooling

the aging and even damage of insulation material. Through test simulating the gas diffusion between hydrogen and sealing oil

it is found that the gas volume fraction of sealing oil should be controlled within 4%

so that the hydrogen purity can be kept above 96%. The research achievement can be used for quality monitoring and control of sealing oil in operation

and is beneficial to stabilize the hydrogen purity of generator. Meanwhile

it also can be used as the basis and data support for the revision of sealing oil quality in operation.

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