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nong yong dian dong ji ji xie ling jian gu zhang jian xiu
Author(s): 
Pages: 83
Year: Issue:  10
Journal: Farm Machinery Using & Maintenance

Abstract: 在农业实际生产中,电动机的使用最多,农用电动机出现故障后怎样排除是令农民困惑的一大难题.解决这一难题的关键,就是了解电动机产生故障的原因及修理方法. 电动机的故障可分为两类,一类是由于电气元件损坏而引起的电气故障,如线圈短路、断路和绝缘损坏等;另一类则是因零件磨损所造成的机械故障,如轴承磨损、转子扫膛等.若在接通电源电动机运行时,故障现象存在,但拉开电源后故障现象便消失,一般为电气方面的故障;若拉开电源后故障现象仍存在,则多为机械方面的故障.
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