| 600MW汽轮发电机组汽流激振原因分析及对策 |
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| 引用本文： | 郝向中. 600MW汽轮发电机组汽流激振原因分析及对策[J]. 电力设备, 2007, 8(7): 76-79 |
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| 作者姓名： | 郝向中 |
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| 作者单位： | 华北电力科学研究院有限责任公司; |
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| 摘 要： | 介绍了1台600MW机组的高中压转子低频异常振动,分析了这种低频振动的原因是汽流激振。对汽流激振的机理和振动特征进行了分析,进而提出了对汽流激振应采取的对策。同时介绍了采取一些措施后机组的振动情况。
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| 关 键 词： | 汽轮发电机组 汽流激振 低频振动 振动稳定性 |
| 修稿时间： | 2007-04-10 |
Cause Analysis and Countermeasures of Steam-Excited Vibration of 600 MW Steam Turbine Unit |
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| HAO Xiang-zhong. Cause Analysis and Countermeasures of Steam-Excited Vibration of 600 MW Steam Turbine Unit[J]. Electrical Equipment, 2007, 8(7): 76-79 |
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| Authors: | HAO Xiang-zhong |
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| Affiliation: | North China Electric Power Research Institute Co.;Ltd.;Beijing 100045;China |
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| Abstract: | The abnormal low-frequency vibration of high and intermediate pressure rotors of one 600 MW steam turbine unit is described in the paper.The analysis indicates that such kind vibration results from steam-excited.The mechanism and features of steam-excited vibration are analyzed.From adjusting the operation modes and improving the system damping ete.aspects,the inhibition measures of steam-excited vibration are given out,and the vibration status of units after the measures are taken is briefed. |
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| Keywords: | steam turbine unit steam-excited vibration low-frequency vibration vibration stability |
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