Analysis of the Output Characteristics of a Vertical Photovoltaic System Based on Operational Data: A Case Study in Republic of Korea

Seung-Min Lee (), Eui-Chan Lee, Jung-Hun Lee, Sun-Ho Yu, Jae-Sil Heo, Woo-Young Lee and Bong-Suck Kim ()
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Seung-Min Lee: KEPCO Research Institute, Korea Electric Power Corporation, Naju 58277, Republic of Korea
Eui-Chan Lee: KEPCO Research Institute, Korea Electric Power Corporation, Naju 58277, Republic of Korea
Jung-Hun Lee: KEPCO Research Institute, Korea Electric Power Corporation, Naju 58277, Republic of Korea
Sun-Ho Yu: KEPCO Research Institute, Korea Electric Power Corporation, Naju 58277, Republic of Korea
Jae-Sil Heo: KEPCO Research Institute, Korea Electric Power Corporation, Naju 58277, Republic of Korea
Woo-Young Lee: Edison Electrical Engineering, Co., Seoul 04789, Republic of Korea
Bong-Suck Kim: KEPCO Research Institute, Korea Electric Power Corporation, Naju 58277, Republic of Korea

Energies, 2023, vol. 16, issue 19, 1-14

Abstract: The proliferation of renewable energy sources to achieve carbon neutrality has rapidly increased the adoption of photovoltaic (PV) systems. Consequently, specialized solar PV systems have emerged for various installation purposes. This study focuses on grid connecting vertically installed bifacial PV modules facing east and west by establishing a test bed within Republic of Korea. Based on weather and generation data collected in Republic of Korea, located in the middle of latitude 34.98° N, from January to July 2023, we analyzed and compared the generation patterns, peak generation, peak hours, and total generation of conventional and vertical PV systems. Moreover, PVsyst was used to model the solar PV generation and analyze the consistency and viability of vertical PV generation by comparing actual operational data with simulation results. The vertical PV system demonstrated a peak power generation of 89.1% compared with the conventional PV system with bifacial modules. Based on operational data from January to July, the power generation output of the vertical PV system decreased to 65.7% compared with that of the conventional system with bifacial modules. This corresponded to 78.8% to 80.2% based on the PVsyst simulation results. In particular, the investigations related to the peak generation levels and occurrence times of vertical PV systems provide insights into the practicality of vertical solar PV systems and their potential for improving the PV hosting capacity.

Keywords: photovoltaic system; bifacial module; photovoltaic hosting capacity; vertical solar photovoltaic system (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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