烧电机原因及判断.pptx

单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,#,电机烧坏原因：,1.,缺相烧坏：电源断相、交流接触器触点松开导致电机缺相烧坏。,2.,过载烧坏：水泵流量过大超负荷、接线方式错误、电压偏高偏低不稳定、,3.,进水烧坏：放置室外受潮、设备管路漏水到电机、卧式泵漏水后如果不及时维修水容易进电机。,4.,电机跳闸：线圈闸间击穿、相间绝缘差、进水或受潮导致绝缘差。,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,小于等于,3kw/380V/220V,，,Y/,双电压电机,，,Y,接线方式烧坏两组属缺相烧坏,烧坏对面对两组,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,大于等于,4KW/380V/,电机,，三角形接线方式烧一组属缺线烧坏,烧坏对面对一组,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,击穿,Evaluation only.,Created with Aspose.Slides for.NET 3.5 Client Profile 5.2.0.0.,Copyright 2004-2011 Aspose Pty Ltd.,