Dual-Loop Power Control for Single-Phase Grid-Connected Converters with LCL Filter

@article{Peng2011DualLoopPC,
  title={Dual-Loop Power Control for Single-Phase Grid-Connected Converters with LCL Filter},
  author={Shuangjian Peng and An Luo and Yandong Chen and Zhipeng Lv},
  journal={Journal of Power Electronics},
  year={2011},
  volume={11},
  pages={456-463}
}
Grid-connected converters have widely adopted LCL filters to acquire high harmonic suppression. However, the LCL filter increases the system order so that the design of the system stability would be complicated. Recently, sole-loop control strategies have been used for grid-connected converters with L or LC filters. But if the sole-loop control is directly transplanted to gridconnected converters with LCL filters, the systems may be unstable. This paper presents a novel dual-loop power control… 
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