简述电机故障机理。 -题库考试答案搜索网

简述电机故障机理。

问答题

2021-12-27 10:22

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正确答案

汽车电机故障主要分为电气故障和机械故障两类，电气故障主要模式为换向器和电刷损坏、电枢线圈接地与短路、永久磁铁去磁或特性恶化、励磁线圈接地短路与烧坏。机械故障主要模式为电枢弯曲变形和断裂、电枢与支撑轴承磨损、擦伤与腐蚀，电机外壳变形与烧坏。

试题解析

标签：汽车故障诊断技术机动车维修技术大学试题工学

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