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Treatment of Runner Cracks of the ALSTOM Unit in Three Gorges Right Bank Hydropower Station
Author(s): 
Pages: 28-30
Year: Issue:  5
Journal: HYDROPOWER AUTOMATION AND DAM MONITORING

Keyword:  水轮机转轮裂纹三峡右岸电站;
Abstract: 在对三峡右岸电站首台投产的ALSTOM机组检修时,发现有4张转轮叶片焊缝存在裂纹缺陷.通过对裂纹性质的分析,认为裂纹主要是由于设计及制造工艺不良所引起.通过制定合理、有效的修复工艺,进行现场修复后,彻底地消除了缺陷,为机组安全、稳定运行提供了有力的保障.
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