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DRV8301-HC-EVM Rev D采样电阻上的电压波形无法显示，应该怎么测试三相电机电流波形？大神指导
一般都是测对地shunt电阻的电压波形，或者你直接用电流钳挂在相线上
我测shunt电阻的波形和地的波形没有什么区别，是不是电阻太小了（0.002欧姆）以至测不出电压波形？还有电机电流波形的周期怎么计算啊？谢谢。
