1.将控制器上转把正极红线和转把速度黄线短接,如果电机运转正常,则电机和控制器是好的,如果电机不转,则电机坏或控制器坏如果电机与控制器正常,电机不转,则可能是转把与刹把的...
2.拔掉电机三根相线(粗),任意两根短路进行短路,用手转动电机有定阻力感则正常,如果短路电机...
3.万用表测测A/B/C三相间的阻值,是否相等。数值差的越大,电机性能越差。并且电机功率越大...
4.检查霍尔是否正常:万用表打在20V 电压档位,黑表笔接细黑线,红表笔分 别接三根信号线...
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铁路乘务专业
技能+就业
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汽车维修专业
技能+就业
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焊工培训+考证
短期技能精修
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二手车评估师
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