Cocktail Sequential Test for C-Si PV Module: the Correlation Among Accelerated Stress Factors

Hsueh, C.H.; Chen, C.; Chen, H.; Chang, Mu-Seong

doi:10.4229/eupvsec20152015-5do.12.2

Cited by 2 publications

(4 citation statements)

References 2 publications

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Section: Voc (V)supporting

confidence: 93%

“…The EL images shown in Figure 11 also confirmed the stability of cells within the modules until the DH3000/TC600 test. These results on the durability of POE encapsulants agree well with previous reports in the literature [17][18][19]. of ~360 W. The main difference between the two modules was that module (B) adopted a polyolefin elastomer (POE)-based encapsulant instead of the conventional EVA encapsulant used in module (A).…”

Section: Voc (V)supporting

confidence: 90%

“…(a) Another set of combined DH5000-TC600 tests was performed using different modules (called "Module (B)" in the manuscript) fabricated by another company, for which cell and module specifications were similar to what was used in the previous section (called "Module (A)"): p-PERC monocrystalline Si 72 cell module with a nominal power Another set of combined DH5000-TC600 tests was performed using different modules (called "Module (B)" in the manuscript) fabricated by another company, for which cell and module specifications were similar to what was used in the previous section (called "Module (A)"): p-PERC monocrystalline Si 72 cell module with a nominal power of ~360 W. The main difference between the two modules was that module (B) adopted a polyolefin elastomer (POE)-based encapsulant instead of the conventional EVA encapsulant used in module (A). POE is a polyethylene-based copolymer with a co-monomer (e.g., acrylates, n-alkanes); thus, its physical properties depend on the relative composition and spatial distribution of the co-monomer [17]. In this study, an ethylene-octene copolymer was used as the POE encapsulant.…”

Section: Performance Evaluation Of Pv Module By Combined Damp Heat-te...mentioning

confidence: 99%

“…of ~360 W. The main difference between the two modules was that module (B) adopted a polyolefin elastomer (POE)-based encapsulant instead of the conventional EVA encapsulant used in module (A). POE is a polyethylene-based copolymer with a co-monomer (e.g., acrylates, n-alkanes); thus, its physical properties depend on the relative composition and spatial distribution of the co-monomer [17]. In this study, an ethylene-octene copolymer was used as the POE encapsulant.…”

Section: Voc (V)mentioning

confidence: 99%

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Performance Evaluation of Photovoltaic Modules by Combined Damp Heat and Temperature Cycle Test

Park¹,

So²,

Kim³

2021

Energies

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Standard damp heat (DH), temperature cycle (TC), and combined DH-TC tests were performed using monocrystalline Si 72-cell modules with a conventional ethylene vinyl acetate (EVA) encapsulant, and their module performance and electroluminescence images were investigated. During the DH test, a significant drop (~20%) in the maximum output power of the module was noticed, primarily because of the degradation of fill factor and an increase in series resistance at 5500 h of DH testing (DH5500), presumably due to the corrosion of metal electrodes by moisture ingress. Conversely, it was revealed that temperature cycling did not seriously degrade module performance until 1400 cycles. However, the combined DH5000-TC600 test suggested in this study, with a sequence of DH1000-TC200-DH1000-TC200-DH1000-TC200-DH2000, was confirmed to provide harsher conditions than the DH-only test by causing a 20% decrease in maximum output power (Pmax) after DH3000/TC400. Promisingly, we confirmed that the module with a polyolefin elastomer encapsulant showed better durability than the module with EVA even in the combined DH-TC test, showing a limited decrease in Pmax (~10%) even after the DH5500/TC600 test.

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Section: Voc (V)supporting

confidence: 93%

Section: Voc (V)supporting

confidence: 90%

Section: Performance Evaluation Of Pv Module By Combined Damp Heat-te...mentioning

confidence: 99%

Section: Voc (V)mentioning

confidence: 99%

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Performance Evaluation of Photovoltaic Modules by Combined Damp Heat and Temperature Cycle Test

Park¹,

So²,

Kim³

2021

Energies

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Effect of barrier property of backsheet on degradation of crystalline silicon photovoltaic modules under combined acceleration test composed of UV irradiation and subsequent damp-heat stress

Kobayashi¹,

Morita²,

Masuda³

2018

Jpn. J. Appl. Phys.

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The damp-heat test and the combined acceleration test composed of UV irradiation and subsequent damp-heat stress were conducted on multicrystalline silicon photovoltaic modules by changing the gas barrier property of a backsheet. In the damp-heat test, the deterioration greatly differed depending on the difference in the barrier property of the backsheet, whereas in the combined acceleration test, the degradation was less susceptible to the effect of such a difference. The difference in the manner of spreading deterioration between both tests was observed in electroluminescence images. From these results, it is considered that the degradation mechanism in the case of the combined acceleration test is different from that in the case of the damp-heat test.

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Cocktail Sequential Test for C-Si PV Module: the Correlation Among Accelerated Stress Factors

Cited by 2 publications

References 2 publications

Performance Evaluation of Photovoltaic Modules by Combined Damp Heat and Temperature Cycle Test

Performance Evaluation of Photovoltaic Modules by Combined Damp Heat and Temperature Cycle Test

Effect of barrier property of backsheet on degradation of crystalline silicon photovoltaic modules under combined acceleration test composed of UV irradiation and subsequent damp-heat stress

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