该方案能在80 ~ 265 V宽输入电压范围内得到稳定直流电压输出，具有效率高、总谐波畸变率低、功率因数接近为1等特点。

It can achieve a fixed output of DC voltage in the universal input range of ac 80 ~ 265 V. It owns the advantages of high efficiency, low total harmonic distortion, PF near to 1.

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在这种新的逆变器开关控制策略中建立多目标优化函数，既使得电压型逆变电路输出电流波形总谐波畸变率尽量小，同时又能减小逆变过程的电力电子开关损耗。

In this control law multi-object function is created, which enables a voltage-source type inverter to produce a near standard sine wave with a minimum switching loss.

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