The function of power filter and the mechanism of electromagnetic interference is analyzed.
分析了电源电磁干扰产生的机理及电源滤波器的作用；
2
One approach to minimize this impact is to filter the harmonic currents and the electromagnetic interference(EMI) produced by the power electronic loads.
减小这种影响的一个办法是，将由电力电子负载产生的谐波电流或者电磁干扰滤除。
3
The application of pectinate filter in the electromagnetic pollution precaution is explained. This filter is usually used in the design of some microwave heating equipment.