Based on index number of power quality this system can supply foundation for the whole system action and improve current waveform.

该系统可以根据电能质量指数，为整体系统动作提供依据，改善电流波形。

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Since more and more nonlinear equipments have been used in the power supply network, the generated high harmonics current leads to waveform distortion of voltage and current in the supply network.

由于电网中非线性设备的使用日益增多，所产生的高次谐波电流大量注入电力线路中，使得电网电压、电流波形发生畸变。

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This paper describes a new method used for controlling convert power supply, which can make the input current to be sinus waveform, and the power factor to be 1.

提出一种新的整流电源控制策略，它可以使整流电源工作时，从电网输入的电流近似为正弦波，功率因素接近1。

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This paper describes a new method used for controlling convert power supply, which can make the input current to be sinus waveform, and the power factor to be 1.

提出一种新的整流电源控制策略，它可以使整流电源工作时，从电网输入的电流近似为正弦波，功率因素接近1。

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