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Improving the Efficiency of a Photovoltaic System Using a Hybrid Control Method Based on a DPP Structure
Journal of Electrical Engineering & Technology ( IF 1.9 ) Pub Date : 2020-10-16 , DOI: 10.1007/s42835-020-00571-x
Dong-Eun Kim , Hyun-Jae Lee , Hak-Ryong Moon , Jin-Geun Shon

In this paper, a hybrid control method is proposed, based on a differential powerprocessing (DPP) structure for a maximum-efficiency photovoltaic (PV) system. The DPP structure has the least power-conversion loss among PV system structures. When applying some maximum power-point tracking (MPPT) control methods to the DPP structure, the structure needs to change. However, the hybrid control method proposed in this paper can be applied without changing the DPP structure. Moreover, it is possible to quickly reach the initial maximum power point (MPP) zone and to generate power at the correct MPP. Through simulations, the method’s operation and superiority were confirmed. In addition, this method was tested experimentally with hardware, based on a digital signal processor (DSP) (TMS320F28335). Hence, we can improve the reliability of this method.

中文翻译:

使用基于 DPP 结构的混合控制方法提高光伏系统的效率

在本文中,基于最大效率光伏 (PV) 系统的差分功率处理 (DPP) 结构,提出了一种混合控制方法。在光伏系统结构中,DPP 结构的功率转换损耗最小。当将一些最大功率点跟踪(MPPT)控制方法应用于 DPP 结构时,结构需要改变。然而,本文提出的混合控制方法可以在不改变 DPP 结构的情况下应用。此外,可以快速到达初始最大功率点 (MPP) 区域并以正确的 MPP 发电。通过仿真验证了该方法的操作性和优越性。此外,该方法还通过基于数字信号处理器 (DSP) (TMS320F28335) 的硬件进行了实验测试。因此,我们可以提高这种方法的可靠性。
更新日期:2020-10-16
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