Modeling and Control of Dual-Stage High-Power Multifunctional PV System in d - Q - $o$ Coordinate

  title={Modeling and Control of Dual-Stage High-Power Multifunctional PV System in d - Q - \$o\$ Coordinate},
  author={Xianwei Wang and Fang Zhuo and Jing Li and Lin Wang and Song Ni},
  journal={IEEE Transactions on Industrial Electronics},
A high-power photovoltaic (PV) system based on dual-stage topology of boost converter plus paralleled four-leg inverter is presented, which can perform as both grid-connected inverter and active power filter. The system not only can allow a wide range of input voltage from PV arrays, but also can compensate the nonlinear and unbalanced load current. This paper first presents the small-signal model of the presented inverter with LCL filter in d -q-o coordinate; then, the unified control strategy… CONTINUE READING
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