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光伏并网逆变器通用比例复数积分控制策略

DOI: 10.13334/j.0258-8013.pcsee.2015.13.024, PP. 3393-3399

Keywords: 并网逆变器,电流控制,比例复数积分控制

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Abstract:

比例复数积分控制是光伏并网逆变器电流控制方案之一。传统观念认为比例复数积分控制只能在三相正交坐标系(如静止αβ坐标系)下实现,无法在三相abc坐标系或单相坐标系下实现。为解决该问题,提出一种通用比例复数积分控制,该控制方案不仅可在三相abc坐标系下实现,也可在单相系统中实现。文中对提出的新方案进行理论分析和仿真研究,并建立基于TMS320F2812DSP的数字化实验平台进行实验研究,结果验证了提出方法的可行性和有效性。

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