Risk priority number for understanding the severity of photovoltaic failure modes and their impacts on performance degradation

Risk priority number for understanding the severity of photovoltaic failure modes and their impacts on performance degradation

The alleged reliability has led the longest warranty period for Photovoltaic (PV) modules up to 20–25 years; it becomes possible after understanding the failure mode and degradation analysis of PV module. Failure mode decreases the performance of the PV module throughout the long-term outdoor exposu...

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Main Authors: Pramod Rajput, Maria Malvoni, Nallapaneni Manoj Kumar, O.S. Sastry, G.N. Tiwari
Format: Article
Language:English
Published: Elsevier 2019-12-01
Series:Case Studies in Thermal Engineering
Online Access:http://www.sciencedirect.com/science/article/pii/S2214157X19304083
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spelling doaj-db4df826dde94dbaabf76dd4d3e3b2ea2020-11-25T01:32:27ZengElsevierCase Studies in Thermal Engineering2214-157X2019-12-0116Risk priority number for understanding the severity of photovoltaic failure modes and their impacts on performance degradationPramod Rajput0Maria Malvoni1Nallapaneni Manoj Kumar2O.S. Sastry3G.N. Tiwari4Department of Physics, Indian Institute of Technology Jodhpur, NH-65 Nagaur Road, Karwar, 342037, Jodhpur, Rajasthan, IndiaSchool of Electrical and Computer Engineering, National Technical University of Athens, Greece; Corresponding author.School of Energy and Environment, City University of Hong Kong, Kowloon, Hong KongNational Institute of Solar Energy, Ministry of New and Renewable Energy, New Delhi, 110003, IndiaCenter for Energy Studies, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, IndiaThe alleged reliability has led the longest warranty period for Photovoltaic (PV) modules up to 20–25 years; it becomes possible after understanding the failure mode and degradation analysis of PV module. Failure mode decreases the performance of the PV module throughout the long-term outdoor exposure. The main objective of the present study is to identify the failure mechanism and failure mode of solar PV modules and their impact on degradation in operating conditions. Assessment of previous studies on rate indicates the highest performance losses at initial stage of outdoor exposure and a degradation drop-off of 0.014% per year. In this context, risk priority number (RPN) analysis is carried out to identify the severity of the failure mode, which affect the system performance for c-Si technologies. However, hot spot and de-lamination are degradation modes related to safety issue with lower value of RPN <50. Keywords: Reliability, Degradation, PV failure mode, PV module defects, Risk priority number, Crystalline siliconhttp://www.sciencedirect.com/science/article/pii/S2214157X19304083
collection DOAJ
language English
format Article
sources DOAJ
author Pramod Rajput
Maria Malvoni
Nallapaneni Manoj Kumar
O.S. Sastry
G.N. Tiwari
spellingShingle Pramod Rajput
Maria Malvoni
Nallapaneni Manoj Kumar
O.S. Sastry
G.N. Tiwari
Risk priority number for understanding the severity of photovoltaic failure modes and their impacts on performance degradation
Case Studies in Thermal Engineering
author_facet Pramod Rajput
Maria Malvoni
Nallapaneni Manoj Kumar
O.S. Sastry
G.N. Tiwari
author_sort Pramod Rajput
title Risk priority number for understanding the severity of photovoltaic failure modes and their impacts on performance degradation
title_short Risk priority number for understanding the severity of photovoltaic failure modes and their impacts on performance degradation
title_full Risk priority number for understanding the severity of photovoltaic failure modes and their impacts on performance degradation
title_fullStr Risk priority number for understanding the severity of photovoltaic failure modes and their impacts on performance degradation
title_full_unstemmed Risk priority number for understanding the severity of photovoltaic failure modes and their impacts on performance degradation
title_sort risk priority number for understanding the severity of photovoltaic failure modes and their impacts on performance degradation
publisher Elsevier
series Case Studies in Thermal Engineering
issn 2214-157X
publishDate 2019-12-01
description The alleged reliability has led the longest warranty period for Photovoltaic (PV) modules up to 20–25 years; it becomes possible after understanding the failure mode and degradation analysis of PV module. Failure mode decreases the performance of the PV module throughout the long-term outdoor exposure. The main objective of the present study is to identify the failure mechanism and failure mode of solar PV modules and their impact on degradation in operating conditions. Assessment of previous studies on rate indicates the highest performance losses at initial stage of outdoor exposure and a degradation drop-off of 0.014% per year. In this context, risk priority number (RPN) analysis is carried out to identify the severity of the failure mode, which affect the system performance for c-Si technologies. However, hot spot and de-lamination are degradation modes related to safety issue with lower value of RPN <50. Keywords: Reliability, Degradation, PV failure mode, PV module defects, Risk priority number, Crystalline silicon
url http://www.sciencedirect.com/science/article/pii/S2214157X19304083
work_keys_str_mv AT pramodrajput riskprioritynumberforunderstandingtheseverityofphotovoltaicfailuremodesandtheirimpactsonperformancedegradation
AT mariamalvoni riskprioritynumberforunderstandingtheseverityofphotovoltaicfailuremodesandtheirimpactsonperformancedegradation
AT nallapanenimanojkumar riskprioritynumberforunderstandingtheseverityofphotovoltaicfailuremodesandtheirimpactsonperformancedegradation
AT ossastry riskprioritynumberforunderstandingtheseverityofphotovoltaicfailuremodesandtheirimpactsonperformancedegradation
AT gntiwari riskprioritynumberforunderstandingtheseverityofphotovoltaicfailuremodesandtheirimpactsonperformancedegradation
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