Study on failure models and degradation rate of PV aged modules in field in China

Hailing Li, Fang Lv

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

This paper presents the analysis of degradation rate and fail models of PV crystalline silicon modules operated 1030 years from 5 plants 4 climatic zones in China. The PV modules wereused as off-grid home system, roof on-grid system, and ground on-grid system. The 4 climatic zones cover most of PV market in China. By visual inspection study we find that the highest frequency of failure model found here is metallization and interconnect corrosion. The average degradation rate of the tested modules is 0.73%/year. No clear correlation between degradation rate and climatic zone is found.

Original languageEnglish
Title of host publication2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages727-730
Number of pages4
ISBN (Electronic)9781538685297
DOIs
Publication statusPublished - 26 Nov 2018
Externally publishedYes
Event7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - Waikoloa Village, United States
Duration: 10 Jun 201815 Jun 2018

Publication series

Name2018 IEEE 7th World Conference on Photovoltaic Energy Conversion, WCPEC 2018 - A Joint Conference of 45th IEEE PVSC, 28th PVSEC and 34th EU PVSEC

Conference

Conference7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018
Country/TerritoryUnited States
CityWaikoloa Village
Period10/06/1815/06/18

Keywords

  • Degradation
  • Power system reliability

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