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随着发电机组运行年限的增加,发电机的定子绝缘会逐渐老化。近几年来,发电机定子绝缘损坏事故率逐年上升,定子线棒更换工作量越来越大,在发电机定子线棒更换过程中,上端锡焊头焊接前封堵和上端头绝缘盒灌注前封堵是一项比较繁琐的工作,稍有疏忽就会封堵失败,采用先进的封堵技术对于缩短检修工期,减少事故损失具有决定性意义。
As the operating life of the generator set increases, the stator insulation of the generator will gradually age. In recent years, the generator stator insulation damage accident rate increases year by year, the stator bar replacement workload is more and more, in the stator bar replacement process, the upper end of the front welding head sealing and sealing before the plug insulation box perfusion Closure is a relatively cumbersome work, a slight negligence will block failure, the use of advanced sealing technology to shorten the overhaul period and reduce the accidental loss of decisive significance.