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为了减少对交流电网的谐波污染,国际上已经推出了一些限制电流谐波的标准,如IECl000-3-2ClassD标准,要求必须采取措施降低输入电网的电流谐波含量,提高功率因数,这就是使用功率因数校正电路的主要原因。
In order to reduce the harmonic pollution of the AC power grid, some international standards for limiting the current harmonics have been introduced, such as the IECl000-3-2 Class D standard, which requires that steps must be taken to reduce the current harmonic content of the input power grid and improve the power factor, which is The main reason for using power factor correction circuit.