Estimation of Shade Losses in Unlabeled PV Data

Estimation of Shade Losses in Unlabeled PV Data

We provide a methodology for estimating the losses due to shading for photovoltaic (PV) systems. We focus this work on estimating the losses from historical power production data that are unlabeled, i.e. power measurements with time stamps, but no other information such as site configuration or mete...

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Bibliographic Details
Published in:2022 IEEE 49th Photovoltaics Specialists Conference (PVSC) p. 0326
Main Authors: Meyers, Bennet E., Rodriguez, David J. F.
Format: Conference Proceeding
Language:English
Published: IEEE 05-06-2022
Subjects:
Distributed databases
Estimation
Loss measurement
Photovoltaic systems
Power measurement
Production
Online Access:Get full text
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Summary:We provide a methodology for estimating the losses due to shading for photovoltaic (PV) systems. We focus this work on estimating the losses from historical power production data that are unlabeled, i.e. power measurements with time stamps, but no other information such as site configuration or meteorological data. This approach is appropriate for analyzing field production data from fleets of distributed rooftop systems and is highly automatic, allowing for scaling to large fleets of heterogeneous PV systems.
DOI:10.1109/PVSC48317.2022.9938565