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主机部分于1985年10月正式开始安装。目前,发电机定子安装完毕,转子正在挂磁极。水轮机转轮于12月28日顺利地吊入机坑。大江机组的设计和制造是在二江机组的基础上进行的,总体布置和部分结构做了改进,取得了良好的效果。如发电机转子磁轭叠片,吸取了白山机组的经验,将相错1个极距的叠片方式,改为上层相错2个极距和下层相错1个极距的折返形式。转子极间连线改用成型连接片,采用螺栓固定,改变了过去靠拉紧螺杆
Host part in October 1985 formally started installation. At present, the generator stator is installed, the rotor is hanging magnetic pole. Turbine runner was successfully hauled into the pit on December 28. The design and manufacture of the Dajiang unit was carried out on the basis of the Erjiang unit. The overall layout and partial structure have been improved and good results have been achieved. Such as generator rotor yoke lamination, learned from the experience of the Baishan unit, will phase a lap stack of the wrong way to the upper phase offset 2 pole pitch and the lower phase error 1 pole pitch reentry form. Rotor between the switch to the formation of connecting rod connection, the use of bolts fixed, changing the past by the tensioning screw