Impact of the mission profile length on lifetime prediction of PV inverters

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dc.creatorAllan F. Cupertino
dc.creatorJoão M. Lenz
dc.creatorErick Matheus da S. Brito
dc.creatorHeverton A. Pereira
dc.creatorJosé R. Pinheiro
dc.creatorSeleme I. Seleme Jr
dc.date.accessioned2025-05-15T13:47:45Z
dc.date.accessioned2025-09-08T23:09:24Z
dc.date.available2025-05-15T13:47:45Z
dc.date.issued2019
dc.identifier.doihttps://doi.org/10.1016/j.microrel.2019.113427
dc.identifier.issn00262714
dc.identifier.urihttps://hdl.handle.net/1843/82296
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofMicroelectronics Reliability
dc.rightsAcesso Restrito
dc.subjectGeração de energia fotovoltaica
dc.subject.otherLifetime of a photovoltaic inverter is estimated using mission profile based approach and physics of failure models; The impact of the mission profile data length (in years) in the estimated lifetime is evaluated; The real data measurements with different lengths (1-5 years) are benchmarked with the typical average year mission profile. The typical average year mission profile results in an overestimation of the inverter lifetime in approximately 32%. Different lengths can affect the lifetime estimation in approximately 7%.
dc.subject.otherPhotovoltaic systems, Mission profile, Lifetime estimation, System-level reliability
dc.titleImpact of the mission profile length on lifetime prediction of PV inverters
dc.typeArtigo de periódico
local.citation.spage113427
local.citation.volume100-101
local.description.resumoThe first step of the design for reliability (DFR) approach in PV inverters is the translation of the mission profile into thermal loading. Most works employ only a one-year mission profile even though it is known that it changes year to year due to climatic reasons and randomness of cloud behavior. This work evaluates how mission profile length affects the system-level reliability of a 5.5 kW PV inverter. Different mission profile lengths (1–5 years) are compared to the typical average year (TAY) mission profile. The results indicate that the use of 1 year mission profile affects by 7% the estimated inverter B10 lifetime.
local.publisher.countryBrasil
local.publisher.departmentENG - DEPARTAMENTO DE ENGENHARIA ELÉTRICA
local.publisher.departmentENG - DEPARTAMENTO DE ENGENHARIA ELETRÔNICA
local.publisher.initialsUFMG
local.url.externahttps://www.sciencedirect.com/science/article/pii/S0026271419305438

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