Simulation of the impact of moving clouds on large scale PV-plants

Kasper M. Paasch, Morten Nymand, Søren Bækhøj Kjær

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review


A tool for the impact of moving clouds on the power production large scale PV plants has been developed. Focus is on the comparison of different inverter topologies (string vs. central) under real time weather conditions. The effect of a given clouding situation can be simulated and the resulting available DC output power and maximum power point variation, as well as the resulting AC production during passage can be analyzed for a range of representative clouding situations. The developed model include PV plant surface topology (individual panel orientation), irradiation level, panel temperatures, panel mismatch and inverter efficiency characteristics.

Original languageEnglish
Title of host publicationProceedings of the IEEE 40th Photovoltaic Specialist Conference, PVSC 2014
PublisherIEEE Press
Publication date15. Oct 2014
ISBN (Print)978-1-4799-4398-2
Publication statusPublished - 15. Oct 2014
Event40th Photovoltaic Specialist Conference - Denver, CO, United States
Duration: 8. Jun 201413. Jun 2014


Conference40th Photovoltaic Specialist Conference
Country/TerritoryUnited States
CityDenver, CO
SeriesProceeding of the IEEE Conference on Photovoltaic Specialists


  • numerical simulation
  • photovoltaic cells
  • photovoltaic system
  • power system modeling


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