| 基于DSP的光伏并网逆变器的设计 |
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| 引用本文： | 罗隆福,赵剑松,邓建国,莫旭杰.基于DSP的光伏并网逆变器的设计[J].电力电子技术,2010,44(11). |
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| 作者姓名： | 罗隆福 赵剑松 邓建国 莫旭杰 |
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| 作者单位： | 湖南大学,电气与信息工程学院,湖南,长沙,410082 |
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| 摘 要： | 介绍并网逆变器的设计方法,采用TMS320F2812作为控制器,通过改进型SPWM电流跟踪控制实现输出电流与电网电压同频同相,从而使电流跟踪误差显著减少。同时阐述了最大功率跟踪及孤岛检测的原理,给出了具体的解决方案。最后给出了基于TMS320F2812的软件设计,并进行了样机实验,结果表明并网电流波形良好,所设计的逆变装置具有良好的稳定性和可靠的控制策略。
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| 关 键 词： | 逆变器 光伏并网 最大功率跟踪 孤岛检测 |
The Design of Grid-connected Photovoltaic Inverter Based on DSP |
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| LUO Long-fu,ZHAO Jian-song,DENG Jian-guo,MO Xu-jie.The Design of Grid-connected Photovoltaic Inverter Based on DSP[J].Power Electronics,2010,44(11). |
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| Authors: | LUO Long-fu ZHAO Jian-song DENG Jian-guo MO Xu-jie |
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| Affiliation: | LUO Long-fu,ZHAO Jian-song,DENG Jian-guo,MO Xu-jie(Hunan University,Hunan 410082,China) |
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| Abstract: | This paper introduces a design of grid-connected inverter.The TMS320F2812 is used as controller,it is realize that the output current have the same frequency and phase with utility grid voltage by improving SPWM current tracking.The error of current track decrease evidently by this method.Simultaneously,the principle of the maximum power point tracking and island detection is elaborated,and techniques of islanding protecting and MPPT strategy are discussed.Finally,the program flow chart of the system based ... |
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| Keywords: | inverter photovoltaic grid-connected maximum power point tracking island detection |
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