Losses Comparison and Analysis for Fault Modes of Grid-connected Photovoltaic System

Jung-Hun  So; Suk-Whan Ko; Young-Chul Ju

doi:10.7836/kses.2017.37.3.023

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Losses Comparison and Analysis for Fault Modes of Grid-connected Photovoltaic System 계통연계형 태양광발전 시스템의 고장유형별 손실 비교분석

June 2017. pp. 23-32

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Abstract

This paper presents losses comparison and analysis results for different types of fault modes of grid-connected photovoltaic system generated for long-term operation. The approach of losses comparison and analysis by faults is to identify relationship between measured and estimated values of five loss factors which are quantified from irradiance to system output power. This paper presents the symptom results for faults such as snow, shading, sensor defect, blackout, soiling and so on from three years or more monitored data. These results will indicate that it is useful to develop fault detection and diagnosis tool to enhance capacity factor and save operation and maintenance cost of grid-connected photovoltaic system in the field.

Keywords

Grid-connected

Fault

Loss

Yield

키워드

계통연계

고장

손실

등가 가동시간

References

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Information

Publisher :Korean Solar Energy Society
Publisher(Ko) :한국태양에너지학회
Journal Title :Journal of the Korean Solar Energy Society
Journal Title(Ko) :한국태양에너지학회 논문집
Volume : 37
No :3
Pages :23-32
Received Date : 2017-04-10
Revised Date : 2017-05-22
Accepted Date : 2017-06-21
DOI :https://doi.org/10.7836/kses.2017.37.3.023

Journal of the Korean Solar Energy Society ISSN:1598-6411(Print) 2508-3562(Online) 한국태양에너지학회 논문집

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