苏制200MW机组发电机静子线棒裂纹原因分析  

Cause Analysis on Fracture of Stator Winding Bar of A Former Soviet-made 200 MW Generator

作　　者：欧阳杰[1] 乐淑芳 

机构地区：[1]河北省电力研究院,河北石家庄050021 [2]马头发电有限责任公司,河北邯郸056044

出　　处：《河北电力技术》2005年第3期7-8,共2页Hebei Electric Power

摘　　要：通过对某发电厂5、6号发电机静子线棒(包括矩形铜管及扁铜条)断裂试样的断口宏观及扫描电镜观察、化学成分、断口表面能谱成分、金相组织等检验结果进行分析,认为该线棒断裂原因为腐蚀疲劳。Through visual and scanning electron microscopic inspections and analyses of chemical, fracture surface energy spectrum and metallurgic analysis results of stator winding bar sample (including rectangle copper tube and flat copper bar) of generators Nos. 5 and 6 in Cangzhou power plant, it comes to a conclusion that the fracture is caused by corrosion fatigue.

关 键 词：发电机静子 线棒 断口分析 腐蚀疲劳 

分 类 号：TM311[电气工程—电机]