分析了所用的PWM驱动电路的输出电压和电流波形，并给出实际应用电路以及实验结果。
Analyzes the waveform of output voltage and current of PWM drive circuit, and also gives practical application circuits and test results.
为了得到实际输出电压波形，根据开关器件通断时间的具体要求，提出了展宽开关角对的优化策略。
For obtaining practical output voltage waveform, the optimized strategy of widening a couple of switch angles is presented based on the specific requirement of on-off time of switching device.
实验结果表明，利用该方法设计的无差拍控制正弦波逆变器系统稳定性好、输出电压波形畸变率低，具有一定的实际应用价值。
The experimental results prove that the sine wave inverter designed by this method have good stability and high quality output voltage and can be applied in practice.
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