Partially Shaded Operation of a Grid-Tied PV System

Christopher Deline

doi:10.1109/PVSC.2009.5411246

Partially Shaded Operation of a Grid-Tied PV System

Christopher Deline

Materials Science

Research output: Contribution to conference › Paper › peer-review

89 Scopus Citations

Abstract

Partial shading of a PV installation has a disproportionate impact on its power production. This paper presents background and experimental results from a single string grid-tied PV system, operated under a variety of shading conditions. In this configuration a shadow can represent a reduction in power over 30 times its physical size. Results are presented relating size and positions of shading to power reduction of the PV system. A simulation method is also described that provides an accurate description of shade based on a single site survey. This process can provide the basis for an accurate simulation of power reduction in a partially shaded PV system.

Original language	American English
Pages	1268-1273
Number of pages	6
DOIs	https://doi.org/10.1109/PVSC.2009.5411246 https://doi.org/10.1109/PVSC.2009.5411246
State	Published - 2009
Event	2009 34th IEEE Photovoltaic Specialists Conference, PVSC 2009 - Philadelphia, PA, United States Duration: 7 Jun 2009 → 12 Jun 2009

Conference

Conference	2009 34th IEEE Photovoltaic Specialists Conference, PVSC 2009
Country/Territory	United States
City	Philadelphia, PA
Period	7/06/09 → 12/06/09

Bibliographical note

For preprint version see NREL/CP-520-46001.

NREL Publication Number

NREL/CP-520-44874

Keywords

photovoltaics
solar energy

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Cite this

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abstract = "Partial shading of a PV installation has a disproportionate impact on its power production. This paper presents background and experimental results from a single string grid-tied PV system, operated under a variety of shading conditions. In this configuration a shadow can represent a reduction in power over 30 times its physical size. Results are presented relating size and positions of shading to power reduction of the PV system. A simulation method is also described that provides an accurate description of shade based on a single site survey. This process can provide the basis for an accurate simulation of power reduction in a partially shaded PV system.",

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AB - Partial shading of a PV installation has a disproportionate impact on its power production. This paper presents background and experimental results from a single string grid-tied PV system, operated under a variety of shading conditions. In this configuration a shadow can represent a reduction in power over 30 times its physical size. Results are presented relating size and positions of shading to power reduction of the PV system. A simulation method is also described that provides an accurate description of shade based on a single site survey. This process can provide the basis for an accurate simulation of power reduction in a partially shaded PV system.

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KW - solar energy

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ER -

Partially Shaded Operation of a Grid-Tied PV System

Abstract

Conference

Bibliographical note

NREL Publication Number

Keywords

Access to Document

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Cite this