%0 Conference Paper %K Validation %K Modelica %K PV %K Open-Source %A Laura Maier %A Christoph Nytsch-Geusen %A Lucas Westermann %A Kushagra Mathur %A Michael Wetter %A Dirk Muller %D 2023 %G eng %T Comparative Study and Validation of Photovoltaic Model Formulations for the IBPSA Modelica Library based on Rooftop Measurement Data %8 10/2023