Improving the Efficiency of a Photovoltaic System Using a Hybrid Control Method Based on a DPP Structure
- Authors
- Kim, D.-E.; Lee, H.-J.; Moon, H.-R.; Shon, J.-G.
- Issue Date
- Jan-2021
- Publisher
- SPRINGER SINGAPORE PTE LTD
- Keywords
- Differential power processing (DPP) structure; Digital signal processing; Hybrid control; Maximum power point (MPP); Maximum power point tracking (MPPT); Photovoltaic (PV)
- Citation
- JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY, v.16, no.1, pp.625 - 632
- Journal Title
- JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY
- Volume
- 16
- Number
- 1
- Start Page
- 625
- End Page
- 632
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/79671
- DOI
- 10.1007/s42835-020-00571-x
- ISSN
- 1975-0102
- Abstract
- 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. © 2020, The Korean Institute of Electrical Engineers.
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