| 百万机组可倾瓦油膜涡动故障分析和处理 |
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| 引用本文： | 刘石,陈君国,王飞,冯永新,顾红柏,韩景复,高庆水.百万机组可倾瓦油膜涡动故障分析和处理[J].南方电网技术,2010,4(Z1):161-161. |
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| 作者姓名： | 刘石 陈君国 王飞 冯永新 顾红柏 韩景复 高庆水 |
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| 作者单位： | 1. 广东电网公司电力科学研究院,广州,510080
2. 华能海门电厂,广东,潮阳,515100 |
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| 摘 要： | 某国产百万汽轮发电机组在调试启动中发生强烈的低频油膜涡动故障,油膜涡动发生在中压3、4号可倾瓦轴承。通过对振动特征和安装数据的分析,判断机组增加顶轴油管等因素导致轴承自位能力和稳定性降低是引起油膜涡动的主要原因。通过修改顶轴油管道布置,并对4号轴承标高和顶隙进行调整,消除了机组油膜涡动故障。
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| 关 键 词： | 振动 油膜涡动 可倾瓦 故障诊断 |
| 收稿时间： | 2010/9/21 0:00:00 |
Analysis and Treatment of Oil Whirl for TiltingPad Bearing in 1 000 MW Unit |
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| LIU Shi,CHEN Junguo,WANG Fei,FENG Yongxin,GU Hongbo,HAN Jingfu and GAO Qingshui.Analysis and Treatment of Oil Whirl for TiltingPad Bearing in 1 000 MW Unit[J].Southern Power System Technology,2010,4(Z1):161-161. |
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| Authors: | LIU Shi CHEN Junguo WANG Fei FENG Yongxin GU Hongbo HAN Jingfu and GAO Qingshui |
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| Affiliation: | Guangdong Power Test & Research Institute, Guangzhou 510080, China;Huaneng Haimen Electric Power Co., Ltd, Chaoyang, Guangdong 515100, China;Guangdong Power Test & Research Institute, Guangzhou 510080, China;Guangdong Power Test & Research Institute, Guangzhou 510080, China;Guangdong Power Test & Research Institute, Guangzhou 510080, China;Guangdong Power Test & Research Institute, Guangzhou 510080, China;Guangdong Power Test & Research Institute, Guangzhou 510080, China |
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| Abstract: | During the commissioning process of a 1 000 MW domestic ultrasupercritical turbinegenerator unit, oil whirl occurs with a strong lowfrequency vibration in No.3, 4 tiltingpad bearing. Based on the analysis of installation data and vibration characteristics, the reduction of bearing selfalignment capacity and stability due to mounting the jacking oil pipelines in No.3, 4 bearing is diagnosed as the main reason inducing oil whirl. Through the adjustment for the elevation and headspace of No. 4 bearing and then modifying the layout of jacking oil pipeline, the oil whirl fault is eliminated |
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| Keywords: | vibration oil whirl tiltingpad fault diagnosis |
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