通过采用时变调制比的方法，可以消除不对称输入电压的影响，从而获得对称正弦输出电压或输入电流。
By using the time variant modulation ratio method, the harmonics can be eliminated and a sinusoidal and balanced output voltage or input current is obtained.
结果显示，当放大器的负载网络取不同参数值时，分别得到高q值的正弦输出电压和低q值的非正弦输出电压。
The results showed that the sinusoidal output voltage at high Q and non-sinusoidal output voltage at low Q were obtained respectively when the parameters of the load network got various.
实验结果表明所提出的方案简单可行，适用于纯正弦输出的电压源逆变器。
Experimental results verified that the proposed scheme has the advantage of simplicity and feasibility. It can be applied to pure sinusoidal output Voltage Source Inverter.
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