由三相pwm逆变器产生的共模和差模电压可以在电机驱动中产生足够大的共模和差模电流。
The common and differential mode voltage produced by the PWM inverter can generate large common and differential current in the motor driving system.
本文根据电磁兼容优势效应理论，推导出双绞线传导干扰主要由差模电流引起，辐射干扰主要由共模电流引起。
Basing on dominant effect theory in EMC, conducted emi and radiated emissions of twisted-pair wires are mostly respectively due to differential-mode currents and common-mode currents.
为此根据电磁兼容优势效应理论，推导出双绞线传导干扰主要由差模电流引起，辐射干扰主要由共模电流引起。
Based on dominant effect theory in EMC, the conducted emi and radiated emissions of twisted-pair wires are mainly due to differential-mode currents and common-mode currents, respectively.
而设计加入一个差模EMI滤波器以提升系统电路的功率因数并降低总电流谐波量以符合相关的规范。
The design of input differential-mode (DM) EMI filter for the reduction of total-harmonic-distortion (THD) for line current has been developed in considerations of practical design limitations.
而设计加入一个差模EMI滤波器以提升系统电路的功率因数并降低总电流谐波量以符合相关的规范。
The design of input differential-mode (DM) EMI filter for the reduction of total-harmonic-distortion (THD) for line current has been developed in considerations of practical design limitations.
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