Výsledky vyhledávání - "Rob W. Andrews"

Impact of Non-Uniform Soiling on PV System Performance and Soiling Measurement

Autor: Seth Kagan, James A. Rand, Bill Stueve, Robert Flottemesch, Rob W. Andrews, Mason J. Reed, Michael Gostein, Eric Giosa

Publikováno v: 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC) (A Joint Conference of 45th IEEE PVSC, 28th PVSEC & 34th EU PVSEC).

We present a case study from commercial-scale PV power plants in the US Southwest, demonstrating that accurate soiling measurement requires detection of PV module power loss in order to account for non-uniform soiling, such as along the edges of modu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5cef4f8eb91292736020c8c8aa42078b
https://doi.org/10.1109/pvsc.2018.8547728

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Photovoltaic System Performance Enhancement With Nontracking Planar Concentrators: Experimental Results and Bidirectional Reflectance Function (BDRF)-Based Modeling

Autor: Joshua M. Pearce, Rob W. Andrews, Andrew Pollard

Publikováno v: Electrical and Computer Engineering Publications

Nontracking planar concentrators are a low-cost method of increasing the performance of traditional solar photovoltaic (PV) systems. This paper presents new methodologies for properly modeling this type of system using a bidirectional reflectance fun

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c40089cb5da2831dde89a0f16003092e
https://doi.org/10.1109/jphotov.2015.2478064

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Effects of spectral albedo on solar photovoltaic devices

Autor: M.P. Brennan, Rob W. Andrews, A.L. Abramase, Joshua M. Pearce

Publikováno v: Electrical and Computer Engineering Publications

Although the spectral effects of direct and diffuse radiation on solar photovoltaic (PV) performance are relatively well understood, recent investigations have shown that there can be a spectral bias introduced due to albedo from common ground surfac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5347371e9b859d6acbce44e80ed570a5
https://doi.org/10.1016/j.solmat.2014.01.046

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Design of Multijunction Photovoltaic Cells Optimized for Varied Atmospheric Conditions

Autor: Jephias Gwamuri, Chenlong Zhang, Rob W. Andrews, Joshua M. Pearce

Publikováno v: Electrical and Computer Engineering Publications
International Journal of Photoenergy, Vol 2014 (2014)
International Journal of Photoenergy
International Journal of Photoenergy, Hindawi Publishing Corporation, 2014, 2014, pp.1-7. ⟨10.1155/2014/514962⟩

International audience; Band gap engineering provides an opportunity to not only provide higher overall conversion efficiencies of the reference AM1.5 spectra but also customize PV device design for specific geographic locations and microenvironments

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fa2469c4cd077e52c46e3e5a7c01b70d
https://doi.org/10.1155/2014/514962

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Improved parametric empirical determination of module short circuit current for modelling and optimization of solar photovoltaic systems

Autor: Andrew Pollard, Rob W. Andrews, Joshua M. Pearce

Publikováno v: Solar Energy
Solar Energy, Elsevier, 2012, 86 (9), pp.2240-2254. ⟨10.1016/j.solener.2012.04.016⟩
Electrical and Computer Engineering Publications

International audience; Correct modelling of solar photovoltaic (PV) system yields is necessary to optimize system design, improve reliability of projected outputs to ensure favourable project financing and to facilitate proper operations and mainten

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d64618ccc0b5d98041a804357221b397
https://doi.org/10.1016/j.solener.2012.04.016

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PVLIB Python 2015

Autor: Rob W. Andrews, Joshua S. Stein, William F. Holmgren, Antonio T. Lorenzo

Publikováno v: 2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC).

We describe improvements to the open source PVLIB-Python modeling package. PVLIB-Python provides most of the functionality of its parent PVLIB-MATLAB package and now follows standard Python design patterns and conventions, has improved unit test cove

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5fa32a3b94dc202a5dbe07317ce9a4e5
https://doi.org/10.1109/pvsc.2015.7356005

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Validation of the MERRA dataset for solar PV applications

Autor: Rob W. Andrews, David B. Richardson

Publikováno v: 2014 IEEE 40th Photovoltaic Specialist Conference (PVSC).

Accurate solar radiation data are necessary to model solar photovoltaic (PV) systems; unfortunately, ground-measured or satellite-derived data are not universally available. The MERRA reanalysis dataset offers hourly solar radiation data for the enti

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8f89bd071fadbf22cc02a33fb0e86e03
https://doi.org/10.1109/pvsc.2014.6925039

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Introduction to the open source PV LIB for python Photovoltaic system modelling package

Autor: Rob W. Andrews, Clifford W. Hansen, Joshua S. Stein, Daniel Riley

Publikováno v: 2014 IEEE 40th Photovoltaic Specialist Conference (PVSC).

The proper modeling of Photovoltaic(PV) systems is critical for their financing, design, and operation. PV LIB provides a flexible toolbox to perform advanced data analysis and research into the performance modeling and operations of PV assets, and t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2b346ca177eac0fe1eb5e8582c193368
https://doi.org/10.1109/pvsc.2014.6925501

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Installation of a variable-angle spectrometer system for monitoring diffuse and global solar radiation

Autor: F. Romero, Joshua M. Pearce, Rob W. Andrews, Oscar Urquidi, Augusta Abrahamse, N. Tolavi, Omar Ormachea

Publikováno v: Electrical and Computer Engineering Publications

We report on the design and installation of a spectrometer system for monitoring solar radiation in Cochabamba, Bolivia. Both the light intensity and the spectral distribution affect the power produced by a photovoltaic device. Local variations in th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::72363dd63dbf32fe25810e29312cd97f
https://ir.lib.uwo.ca/electricalpub/422

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The effects of snowfall on solar photovoltaic performance

Autor: Rob W. Andrews, Andrew Pollard, Joshua M. Pearce

Publikováno v: Solar Energy
Solar Energy, Elsevier, 2013, 92, pp.84-97. ⟨10.1016/j.solener.2013.02.014⟩
Electrical and Computer Engineering Publications

International audience; Solar photovoltaic (PV) systems are frequently installed in climates with significant snowfall. To better understand the effects of snowfall on the performance of PV systems, a multi-angle, multi-technology PV system was commi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4ebd26ca1b32d86ee7e806b20d6de4e8
https://hal.archives-ouvertes.fr/hal-02120455

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