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Author: brian dougherty

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1. Absolute spectral responsivity measurements of solar cells by a hybrid optical technique
Published: 7/15/2013
Authors: Behrang H Hamadani, John F Roller, Brian P Dougherty, Fiona Persaud, Howard W Yoon
Abstract: An irradiance mode, absolute differential spectral response measurement system for solar cells is presented. The system is based on combining the monochromator-based approach of determining the power mode spectral responsivity of cells with an LED-b ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913725

2. A versatile light-emitting-diode-based spectral response measurement system for photovoltaic device characterization
Published: 6/29/2012
Authors: Behrang H Hamadani, John F Roller, Brian P Dougherty, Howard W Yoon
Abstract: An absolute differential spectral response measurement system for solar cells is presented. The system couples an array of light emitting diodes (LEDs) with an optical waveguide to provide large area illumination. Two unique yet complementary measur ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910849

3. Towards realization of a large-area, LED-based solar simulator
Published: 11/27/2011
Authors: Behrang H Hamadani, Kangbin Chua, John F Roller, Howard W Yoon, Brian P Dougherty
Abstract: LED-based solar simulators have shown great promise as alternative light sources for indoor testing of PV cells as compared to their traditional counterparts. However, large-area uniform illumination more suitable for larger cells and module measurem ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908797

4. Evaluation and Validation of Equivalent Circuit Photovoltaic Solar Cell Performance Models
Published: 5/1/2011
Authors: Matthew T Boyd, S. A. Klein, Douglas T Reindl, Brian P Dougherty
Abstract: The ,Five-Parameter ModelŠ is an electrical performance model for photovoltaic solar cells that predicts the voltage and current output by representing the cells as an equivalent electrical circuit with radiation and temperature dependent components. ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905309

5. Spectroradiometric Characterization of the NIST Pulsed Solar Simulator
Published: 8/20/2009
Authors: Howard W Yoon, Brian P Dougherty, Vladimir Khromchenko
Abstract: The spectroradiometric characterization of the NIST indoor pulsed solar simulator is described. The solar simulator has a flash duration of 36.4 ms and is designed for solar panels having a maximum size of 2.0 m by 1.6 m. As per industry standards, ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904077

6. A Comparison of Predicted to Measured Photovoltaic Module Performance
Report Number: 7335
Published: 3/1/2009
Authors: A. Hunter Fanney, Brian P Dougherty, Mark W. Davis
Abstract: Computer simulation models to accurately predict the electrical performance of photovoltaic modules are essential. Without such models, potential purchasers of photovoltaic systems have insufficient information to judge the relative merits and cost e ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861022

7. A Comparison of Predicted to Measured Photovoltaic Module Performance
Published: 6/27/2007
Authors: A. Hunter Fanney, Brian P Dougherty, Mark W. Davis
Abstract: Computer simulation models to accurately predict the electrical performance of photovoltaic modules are essential. Without such models, potential purchasers of photovoltaic systems have insufficient information to judge the relative merits and cost e ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861589

8. Proposed Test Methodology and Performance Rating Standard for Residential Fuel Cell Systems
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7301
Published: 6/1/2006
Authors: Mark W. Davis, M W Ellis, Brian P Dougherty
Abstract: A test method and rating standard is proposed for residential fuel cell systems (RFCS). The proposed approach extends previously developed test procedures for fuel cells by establishing specific test methods and calculation procedures that are appli ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861010

9. Comparison of Photovoltaic Module Performance Measurements
Published: 5/2/2006
Authors: A. Hunter Fanney, Mark W. Davis, Brian P Dougherty, D L King, W E Boyson, J A Kratochvil
Abstract: Computer simulation tools used to predict the energy production of photovoltaic systems are needed in order to make informed economic decisions. These tools require input parameters that characterize module performance under various operational and e ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860967

10. Measured Performance of Building Integrated Photovoltaic Panels. Round 2.
Published: 12/1/2005
Authors: Brian P Dougherty, A. Hunter Fanney, Mark W. Davis
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=101151



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