태양광 발전소의 음영 분석과 발전량 상관관계 분석

A photovoltaic (PV) string consists of PV modules that are connected in series. When partial shading occurs in the PV modules, the total PV string current is lowered. When the partial shading becomes severe, the bypass diode operates. Most PV systems are exposed to partial shading by nearby terrain,...

Full description

Saved in:
Bibliographic Details
Published in한국태양에너지학회 논문집 Vol. 41; no. 2; pp. 1 - 8
Main Authors 오원욱(Oh Wonwook), 전성근(Jeon Seonggeun), 윤아영(Yoon Ayoung), 김대장(Yoon Ayoung), 최훈주(Choi hoonjoo)
Format Journal Article
LanguageKorean
Published 한국태양에너지학회 01.04.2021
Subjects
Online AccessGet full text
ISSN1598-6411
2508-3562

Cover

More Information
Summary:A photovoltaic (PV) string consists of PV modules that are connected in series. When partial shading occurs in the PV modules, the total PV string current is lowered. When the partial shading becomes severe, the bypass diode operates. Most PV systems are exposed to partial shading by nearby terrain, rather than an actual shaded flat environment. In this study, shading analysis was performed at 19 points of a 33.2 kWp solar power plant installed on the roof of a building, and the shaded irradiance ratio at the PV module location was estimated using this result. We compared the results of the performance ratio monitored for one year. As a result, the expected output ratio of the shading analysis compared to normal was found to be 89.6%, and the annual performance ratio was 90.2%. KCI Citation Count: 0
ISSN:1598-6411
2508-3562