Modeling thermal fatigue in CPV cell assemblies

Bosco,; Panchagade,; Kurtz,

doi:10.1109/pvsc.2011.6186652

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“…Cyclic changes in the temperature of the assembly result in differential thermal expansion, subjecting the assembly to thermomechanical fatigue. Cracking of the die-attach material due to thermomechanical fatigue has been suggested as a key failure mechanism for some CPV systems [1], [2].…”

Section: Background and Introductionmentioning

confidence: 99%

Relative lifetime prediction for CPV die-attach layers

Silverman

Bosco

Kurtz

2012

2012 IEEE International Reliability Physics Symposium (IRPS)

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Section: Background and Introductionmentioning

confidence: 99%

Relative lifetime prediction for CPV die-attach layers

Silverman

Bosco

Kurtz

2012

2012 IEEE International Reliability Physics Symposium (IRPS)

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Time-Resolved Temperature Map Prediction of Concentration Photovoltaics Systems by Means of Coupled Ray Tracing Flux Analysis and Thermal Quadrupoles Modelling

et al. 2018

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A transient 3D thermal model based on the thermal quadrupole method, coupled to ray tracing analysis, is presented. This methodology can predict transient temperature maps under any time-fluctuating irradiance flux—either synthetic or experimental—providing a useful tool for the design and parametric optimization of concentration photovoltaics systems. Analytic simulations of a concentration photovoltaics system thermal response and assessment of in-plane thermal gradients induced by fast tracking point perturbations, like those induced by wind, are provided and discussed for the first time. Computation times for time-resolved temperature maps can be as short as 9 s for a full month of system operation, with stimuli inspired by real data. Such information could pave the way for more accurate studies of cell reliability under any set of worldwide irradiance conditions.

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Modeling thermal fatigue in CPV cell assemblies

Cited by 2 publications

References 0 publications

Relative lifetime prediction for CPV die-attach layers

Relative lifetime prediction for CPV die-attach layers

Time-Resolved Temperature Map Prediction of Concentration Photovoltaics Systems by Means of Coupled Ray Tracing Flux Analysis and Thermal Quadrupoles Modelling

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