/Modelling the impact of microclimate conditions on moisture sorption in PV module

Modelling the impact of microclimate conditions on moisture sorption in PV module

Genk | More than two weeks ago

Evaluate the microclimate around the PV module and how that impact the moisture ingress and egress

The degradation rates of PV modules are highly influenced by the bill of materials and the environmental conditions under which PV modules operate. To quantify the effect of environmental conditions on PV module degradation rates using physics-based models, microclimate conditions (e.g. module temperature, relative humidity on the surface of the module) are used as model input variables. These variables are estimated from ambient/macroclimate variables (such as ambient temperatures, wind speed, plane of array irradiance, ambient relative humidity) and are correlated to the bill of materials and installation conditions. 

 

New applications, installations, and designs of Photovoltaic modules (e.g Photovoltaics integrated in buildings: BIPV, Photovoltaics on vehicles; VIPV, Photovoltaics in agriculture farms; agrivoltaics, offshore systems floating at the sea; FPV) are introducing new dimensions on modeling the microclimate conditions of PV modules.  IMEC’s simulation framework is capable to simulate the thermal behavior of most of these new applications using the already validated thermal models. In this master’s thesis we would like to add a new feature to the framework to simulate the moisture ingress.  Moisture ingress in photovoltaic modules has a very strong influence on most degradation mechanisms. For example, moisture can lead to potential induced degradation, metal grid corrosion, optical and adhesion losses, delamination, and discolouration of encapsulants which affects the lifetime and the energy generation of the PV module.  The objective is to evaluate the microclimate around the module and how that impacts the moisture sorption. Different scenarios concerning the effects of surrounding objects (e.g for BIPV, FPV), material properties and climatic zones will be investigated.  



Type of project: Thesis

Required degree: Master of Science

Required background: Energy, Materials Engineering, Physics, Mechanical Engineering

Supervising scientist(s): For further information or for application, please contact: Ismail Kaaya (Ismail.Kaaya@imec.be)

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