<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=iso-8859-1"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=DE link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Segoe UI",sans-serif'>Dear TRNSYS users, <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Segoe UI",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif'>we developed and published a new user-written TRNSYS component Type 835: </span><span lang=EN-US>PV model for the coupling with solar thermal absorber and collector models as PVT model (free download link below).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>The main idea behind this model was to develop a PV performance model in TRNSYS, which can be coupled to existing models of solar thermal collectors or absorbers for the calculation of the electrical power output of WISC and covered photovoltaic-thermal (PVT) collectors.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>It is especially developed for the connection with thermal models which are based on the quasi-dynamic model of ISO 9806, e.g. TRNSYS Type 832 (Haller et al., 2013), and is validated for this combination. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>As addition, the model includes a PV mode to simulate PV modules based on the same performance model, e.g. for a comparison of the electrical yield of a PV module and PVT collectors using identical PV cells. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>The major difference between the calculation of PV modules and PVT collectors in this approach results from the cell temperatures, which are determined by the fluid temperature in PVT collectors and by a steady-state module temperature in PV modules.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif'>The model is available for free and the latest release version can be downloaded from: <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif'><a href="https://www.doi.org/10.5281/zenodo.1446414">https://www.doi.org/10.5281/zenodo.1446414</a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif'>GitHub repository:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif'><a href="https://github.com/DnJns/TRNSYS_Type835_PVT">https://github.com/DnJns/TRNSYS_Type835_PVT</a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif'>Furthermore, a paper on the implementation, validation and parameter identification approach for the PVT performance model using TRNSYS is published in Solar Energy Journal with Open Access: <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif'><a href="https://www.sciencedirect.com/science/article/pii/S0038092X19309223">https://www.sciencedirect.com/science/article/pii/S0038092X19309223</a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif'>We hope it helps the community for new investigations on PVT technologies and its application in energy systems. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif'>Best regards<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif'>Danny <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Segoe UI",sans-serif;color:#3B3838;mso-fareast-language:DE'>----------------------------------------<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif;color:#3B3838;mso-fareast-language:DE'>Danny Jonas, M.Eng.<br>Saarland University<br>Chair of Automation and Energy Systems<br>Campus <br>66123 Saarbrücken (Germany)</span><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif;mso-fareast-language:DE'><br><span style='color:#1F497D'> <br></span><span style='color:#3B3838'>E-Mail: </span></span><span style='font-family:"Segoe UI",sans-serif;mso-fareast-language:DE'><a href="mailto:danny.jonas@aut.uni-saarland.de"><span lang=EN-US style='font-size:10.0pt;color:#2F5496'>danny.jonas@aut.uni-saarland.de</span></a></span><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif;color:#1F497D;mso-fareast-language:DE'><br></span><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif;color:#3B3838;mso-fareast-language:DE'>URL:</span><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif;color:#2F5496;mso-fareast-language:DE'> </span><span style='font-family:"Segoe UI",sans-serif;mso-fareast-language:DE'><a href="http://www.aut.uni-saarland.de/"><span lang=EN-US style='font-size:10.0pt;color:#2F5496'>www.aut.uni-saarland.de</span></a></span><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif;color:#1F497D;mso-fareast-language:DE'><br><br></span><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif;mso-fareast-language:DE'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif'>(References:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Haller, M., Perers, B., Bales, C., Paavilainen, J., Dalibard, A., Fischer, S., Bertram, E., 2013. TRNSYS Type 832 v5.01, Dynamic Collector Model by Bengt Perers. Updated Input-Output Reference.)</span><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Segoe UI",sans-serif;mso-fareast-language:DE'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>