共模干扰电流
共模干扰电流-
PWM逆变器共模干扰电流的衰减和抑制
Damping and suppression of common mode interference currents in PWM inverter
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差模干扰是由功率器件的通断在输入侧产生的脉动电流引起的，共模干扰是由共模电流流过桥臂中点对地寄生电容引起的。
The DM EMI is related to the switching current and the CM EMI is caused by the CM current flowing through the parasitic capacitance of the device arms to the ground .