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The Need for an Accuracy Check of Irradiation Sensors for Photovoltaic Power Plants
W. Mühleisen, L. Neumaier, F. Taverna, M. Makula, B. Streit, M. Graefe, C. Gradwohl, J. Kosel, C. Hirschl
Monitoring, Sensor, Solar Irradiation, Operation and Maintenance, Insolation
PV Systems and Storage – Modelling, Design, Operation and Performance
Subtopic: Operation, Performance and Maintenance of PV Systems
Event: 37th European Photovoltaic Solar Energy Conference and Exhibition
Session: 5CV.3.26
1553 - 1556
ISBN: 3-936338-73-6
Paper DOI: 10.4229/EUPVSEC20202020-5CV.3.26
0,00 EUR
Document(s): paper, poster


Operation and maintenance companies, PV plant owners and scientific PV institutes have the challenge to monitor PV installations correctly. When a changed performance ratio is recognized, it is to clarify whether the installation or the sensor is wrong. To be sure that solar irradiation sensors for photovoltaic applications are accurate, a cross-check is applied for four different application cases in the laboratory and in the field. These examples include comparisons between measurement devices like a pyranometer, silicon solar cell irradiation sensors or a photodiode sensor. In the end, guidelines for reliable measurements in the field are provided.