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前言近几年来,发电机静子接头在运行中开焊,事故较多。若发现及时,处理得当,可避免造成事故扩大。否则,由于事故蔓延扩大造成端部绝缘烧毁,后果严重,损失很大,一时难以恢复。对此在电网紧张情况下,更要引起重视。我厂从1969年至1971年先后发生四次发电机静子接头开焊事故,及时采取了修复措施,取得了一些经验。现将静子接头开焊事故、原因、新旧接头综合分析如下:
Preface In recent years, generator stator sub-joints in the operation of welding, accidents more. If found in a timely manner, handled properly, to avoid causing the accident to expand. Otherwise, due to the spread of the accident caused by the expansion of the end of the insulation burned, the consequences of serious losses, large, temporary recovery difficult. This tension in the power grid, but also to pay attention. I plant from 1969 to 1971, there have been four generator stator submersible torch accident occurred, promptly taken the repair measures, and gained some experience. Now static joints open welding accident, the reasons for the old and new joints comprehensive analysis is as follows: