【摘要】 文中提出一种可再生能源用高频环节并网逆变器的实现方案.介绍了该逆变器基于空间矢量图的倍频式SPWM控制策略,给出系统的构成和部分关键性电路,并讨论了软件实现方案.实验波形和分析证明了该方案的有效性.更多还原

【Abstract】 With the emergence of world’s energy problems, people began to explore the utilization of renewable energy.The paper proposes an implementation of a high frequency grid-connected inverter to renewable energy field.Firstly,it introduces the inverter control strategy of multiple-frequency SPWM based on space phasor diagram.Then,the total inverter system and some critical circuits are presented specifically as well as program flow chart.The experimental results have verified the validity of the proposed implementation and control method.更多还原