A Tranformerless Grid-Connected Photovoltaic(4)

这些都是光伏发电系统吧比较经典的论文,希望可以帮到大家。大概都是零八年以后的IEEE论文,有些方法运用比较经典。

the grid current could be controlled within 3% in spite of a highly distorted load current.

Grid-Connected Photovoltaic System with Active and Reactive Power Control using dq0 Transformation,” in Proc. 39th Annu. Power Electronics Specialists Conference, pp. 1202-1207, Jun. 2008.

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Fig. 9. FFT results of the proposed system in night mode.

IV. CONCLUSION

In order to supply the PV system world widely, the technical development on low cost and small size is major issue now. Also, considering the high cost solar cell's panel, transformerless type is suitable for the PV system. This paper presents a transformerless grid-connected PV system with active and reactive power control. The proposed system operation is divided by sunny mode and night mode. In night mode, it operates to compensate the reactive power demanded by nonlinear loads. In sunny mode, it not only supplies active power which is developed in the PV array to the grid or loads, but also performs power quality control(PQC) to improve power factor and reduce harmonic current.

ACKNOWLEDGMENT

This work was supported in part by the New & Renewable Energy Development Project (2007-N-PV08-03-0) of the KEMCO.

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