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001042381 1001_ $$0P:(DE-Juel1)194185$$aWittmann, Ernst$$b0
001042381 245__ $$aPV Polaris – Automated PV system Orientation Prediction
001042381 260__ $$aNew York, NY$$bIEEE$$c2025
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001042381 520__ $$aThe orientation of a photovoltaic system is an important parameter for power generation and yield predictions. Yet often, the real orientation is unknown. Measuring the orientation manually is time-consuming. This study introduces an automated Monte Carlo Search based algorithm called PV Polaris which is capable of predicting the systems orientation within 18s, with uncertainties of less than 2° in tilt and 4° in azimuth. In terms of accuracy, PV Polaris outperforms other methods such as measurements with a tilt compensated compass or predictions from satellite images. Applicable at module, string and inverter levels, the algorithm only requires power monitoring data as well as an approximate coordinate as input. Additionally, the algorithm can operate inversely to estimate the system's coordinates based on a given orientation. By using this orientation prediction, it was possible to calculate the yearly yield loss due to non-ideal orientation. For photovoltaic systems we investigated, we found that yearly yield increases between 2.3% to 10.3% could be achieved if the PV systems orientation would be optimized.
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001042381 7001_ $$0P:(DE-Juel1)176906$$aBuerhop-Lutz, Claudia$$b1
001042381 7001_ $$0P:(DE-Juel1)201624$$aBennett, Savannah$$b2$$ufzj
001042381 7001_ $$00000-0003-0455-3799$$aChristlein, Vincent$$b3
001042381 7001_ $$0P:(DE-Juel1)177626$$aHauch, Jens$$b4
001042381 7001_ $$0P:(DE-Juel1)176427$$aBrabec, Christoph$$b5$$ufzj
001042381 7001_ $$0P:(DE-Juel1)179536$$aPeters, Ian Marius$$b6
001042381 773__ $$0PERI:(DE-600)2495610-7$$a10.1109/JPHOT.2025.3568887$$gp. 1 - 8$$p1 - 8$$tIEEE photonics journal$$v $$x1943-0655$$y2025
001042381 8564_ $$uhttps://ieeexplore.ieee.org/document/10999083/authors#authors
001042381 8564_ $$uhttps://juser.fz-juelich.de/record/1042381/files/APC600664865.pdf
001042381 8564_ $$uhttps://juser.fz-juelich.de/record/1042381/files/PV_Polaris__Automated_PV_System_Orientation_Prediction.pdf$$yOpenAccess
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