R. Núñez, S. Askins, A. Soofi, L. Anglade, F. Gerlich, I. Antón, C. Domínguez
. To better understand the process of condensation formation in CPV modules, an experimental setup containing two Insolight mockup modules has been prepared to firstly, monitor the relevant variables involved in the internal dew point, namely the internal relative humidity and air temperature, the differential atmospheric pressure between the module and the environment and the temperatures of the front and rear parts of the modules, and secondly, to be able to modify the exchange conditions with the environment. After spending the wet season in Madrid (four months during the winter), the formation of condensation has been correlated with the monitored dew point and most of the time it disappears after a few hours. Considering that sealing the module would increase the internal pressure to the point of failure due to thermal expansion, the modules are always equalized through a breather. Hence, some preliminary mitigating actions have been studied such as the addition of desiccant and different venting configurations that seek to reduce the amount of humidity content and therefore help prevent the formation of the dew point.
{"title":"Humidity characterization and control in planar micro-tracking CPV modules","authors":"R. Núñez, S. Askins, A. Soofi, L. Anglade, F. Gerlich, I. Antón, C. Domínguez","doi":"10.1063/5.0099320","DOIUrl":"https://doi.org/10.1063/5.0099320","url":null,"abstract":". To better understand the process of condensation formation in CPV modules, an experimental setup containing two Insolight mockup modules has been prepared to firstly, monitor the relevant variables involved in the internal dew point, namely the internal relative humidity and air temperature, the differential atmospheric pressure between the module and the environment and the temperatures of the front and rear parts of the modules, and secondly, to be able to modify the exchange conditions with the environment. After spending the wet season in Madrid (four months during the winter), the formation of condensation has been correlated with the monitored dew point and most of the time it disappears after a few hours. Considering that sealing the module would increase the internal pressure to the point of failure due to thermal expansion, the modules are always equalized through a breather. Hence, some preliminary mitigating actions have been studied such as the addition of desiccant and different venting configurations that seek to reduce the amount of humidity content and therefore help prevent the formation of the dew point.","PeriodicalId":114931,"journal":{"name":"17TH INTERNATIONAL CONFERENCE ON CONCENTRATOR PHOTOVOLTAIC SYSTEMS (CPV-17)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123490620","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Telegram and discord as a part in control system","authors":"Stoitcho Penkov, A. Taneva","doi":"10.1063/5.0103255","DOIUrl":"https://doi.org/10.1063/5.0103255","url":null,"abstract":"","PeriodicalId":114931,"journal":{"name":"17TH INTERNATIONAL CONFERENCE ON CONCENTRATOR PHOTOVOLTAIC SYSTEMS (CPV-17)","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121673474","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Application of graphic processing units in deep learning algorithms","authors":"T. Hristeva","doi":"10.1063/5.0091076","DOIUrl":"https://doi.org/10.1063/5.0091076","url":null,"abstract":"","PeriodicalId":114931,"journal":{"name":"17TH INTERNATIONAL CONFERENCE ON CONCENTRATOR PHOTOVOLTAIC SYSTEMS (CPV-17)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121704129","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Lafontaine, Farah Ayari, E. Pargon, G. Gay, C. Petit-Etienne, A. Turala, A. Jaouad, M. Volatier, S. Fafard, V. Aimez, M. Darnon
. At the end of the fabrication process, multijunction solar cells must be electrically isolated from one to another; a step commonly known as mesa isolation. In this paper, three different techniques are assessed to perform this step: saw-dicing, wet etching and plasma etching. Triple junction solar cells were fabricated with each process and the open-circuit voltages were measured in order to compare the impact of each technique on the device performance. An optional wet treatment is also proposed to clean the sidewalls after the mesa isolation process. The process throughput and the wafer area yield are also assessed for all techniques in order to determine which one is the most suitable from the industrial standpoint. This study indicates that a plasma etching process followed by a wet clean is the process that maximizes the solar cell performance, the process throughput and the wafer area yield.
{"title":"Multijunction solar cell mesa isolation: A comparative study","authors":"M. Lafontaine, Farah Ayari, E. Pargon, G. Gay, C. Petit-Etienne, A. Turala, A. Jaouad, M. Volatier, S. Fafard, V. Aimez, M. Darnon","doi":"10.1063/5.0099529","DOIUrl":"https://doi.org/10.1063/5.0099529","url":null,"abstract":". At the end of the fabrication process, multijunction solar cells must be electrically isolated from one to another; a step commonly known as mesa isolation. In this paper, three different techniques are assessed to perform this step: saw-dicing, wet etching and plasma etching. Triple junction solar cells were fabricated with each process and the open-circuit voltages were measured in order to compare the impact of each technique on the device performance. An optional wet treatment is also proposed to clean the sidewalls after the mesa isolation process. The process throughput and the wafer area yield are also assessed for all techniques in order to determine which one is the most suitable from the industrial standpoint. This study indicates that a plasma etching process followed by a wet clean is the process that maximizes the solar cell performance, the process throughput and the wafer area yield.","PeriodicalId":114931,"journal":{"name":"17TH INTERNATIONAL CONFERENCE ON CONCENTRATOR PHOTOVOLTAIC SYSTEMS (CPV-17)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126486207","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Robert F. H. Hunter, C. Valdivia, Laurier S. Baribeau, K. Hinzer
{"title":"Unlocking the potential for extreme solar concentration via subcell segmentation","authors":"Robert F. H. Hunter, C. Valdivia, Laurier S. Baribeau, K. Hinzer","doi":"10.1063/5.0099470","DOIUrl":"https://doi.org/10.1063/5.0099470","url":null,"abstract":"","PeriodicalId":114931,"journal":{"name":"17TH INTERNATIONAL CONFERENCE ON CONCENTRATOR PHOTOVOLTAIC SYSTEMS (CPV-17)","volume":"73 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127615731","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. Georgiev, D. Gospodinova, K. Milanov, Alexandra N. Georgieva
{"title":"Control of modified robotic system for mechanical processing of parts","authors":"M. Georgiev, D. Gospodinova, K. Milanov, Alexandra N. Georgieva","doi":"10.1063/5.0091433","DOIUrl":"https://doi.org/10.1063/5.0091433","url":null,"abstract":"","PeriodicalId":114931,"journal":{"name":"17TH INTERNATIONAL CONFERENCE ON CONCENTRATOR PHOTOVOLTAIC SYSTEMS (CPV-17)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134023172","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kenji Araki, C. Algora, David E. Kresse, G. Siefer, Gianluca Timò, I. Antón, K. Nishioka, R. Leutz, S. Carter, Shitao Wang, S. Askins, Takashi Iwasaki, L. Ji, G. Kelly
{"title":"CPV standardization 2021 – Maintenance and stability","authors":"Kenji Araki, C. Algora, David E. Kresse, G. Siefer, Gianluca Timò, I. Antón, K. Nishioka, R. Leutz, S. Carter, Shitao Wang, S. Askins, Takashi Iwasaki, L. Ji, G. Kelly","doi":"10.1063/5.0099174","DOIUrl":"https://doi.org/10.1063/5.0099174","url":null,"abstract":"","PeriodicalId":114931,"journal":{"name":"17TH INTERNATIONAL CONFERENCE ON CONCENTRATOR PHOTOVOLTAIC SYSTEMS (CPV-17)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134355429","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A case study of experimental evaluation of the properties of shape memory alloy wires","authors":"Rosen P. Mitrev, T. Todorov","doi":"10.1063/5.0091153","DOIUrl":"https://doi.org/10.1063/5.0091153","url":null,"abstract":"","PeriodicalId":114931,"journal":{"name":"17TH INTERNATIONAL CONFERENCE ON CONCENTRATOR PHOTOVOLTAIC SYSTEMS (CPV-17)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130136492","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
S. Cheresharov, S. Hadzhikoleva, E. Hadzhikolev, Georgi Gustinov
{"title":"Computation community cloud on low power devices","authors":"S. Cheresharov, S. Hadzhikoleva, E. Hadzhikolev, Georgi Gustinov","doi":"10.1063/5.0101312","DOIUrl":"https://doi.org/10.1063/5.0101312","url":null,"abstract":"","PeriodicalId":114931,"journal":{"name":"17TH INTERNATIONAL CONFERENCE ON CONCENTRATOR PHOTOVOLTAIC SYSTEMS (CPV-17)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114775942","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"“Tax migration” problems with transport enterprises in the municipalities of the Republic of Bulgaria","authors":"Nikolay Katrandzhiev","doi":"10.1063/5.0098887","DOIUrl":"https://doi.org/10.1063/5.0098887","url":null,"abstract":"","PeriodicalId":114931,"journal":{"name":"17TH INTERNATIONAL CONFERENCE ON CONCENTRATOR PHOTOVOLTAIC SYSTEMS (CPV-17)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123858165","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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