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中文摘要：
针对由于各种原因导致的逆变器输出电压波形畸变的问题,建立了单相逆变器的数学模型,确定了电压外环和电流内环的双闭环控制策略。基于STM32F103控制器设计了逆变器的全部电路,为简化电路设计,提高可靠性,采用单极性调制方式,非隔离的峰值电压采样方法。为了扩大设备的使用范围,设计了智能通信接口。测试结果表明,设计的逆变器稳态精度高,动态响应快。
英文摘要：
In order to solve the problems of the inverter output voltage waveform distortion caused by all reasons, a mathematical model of the single-phase inverter was established and dual-loop control strategy with outer voltage and inner inductor current was made. The whole circuit of the inverter was designed using STM32. Unipolar modulation and sampling at peak value time was adopted to simplify circuit design and enhance reliability. The inverter has intelligent communication interface in more fields. The experimental results show that the inverter has good characteristics, such as high steady accuracy and fast response and so on.
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