The Ability of Short Term Performance Tests to Reproduce the Results of a One-Year Adjusted Energy Test for Non-Concentrating PV Systems

Sarah Kurtz, Martin Waters, Irina Berdnik, Evan Riley, Tejas Tirumalai, Kevin Joyce

Research output: Contribution to conferencePaperpeer-review

1 Scopus Citations

Abstract

A variety of test methodologies are commonly used to assess if a photovoltaic ('PV') system is able to perform in-line with expectations generated by a computer simulation. Four commonly used methodologies include: the PVUSA rating as implemented in ASTM E2848 and E2939 ('ASTM'), a Performance Ratio Test ('PR'), the Power Performance Index ('PPI') and the Adjusted Energy Test ('AET'). This paper compares the results of a one year AET to short term ASTM, PR, PPI, and AET test results in an attempt to determine which test can best reproduce the results of a one-year AET. Test durations of 3, 7, 15, and 30 days were evaluated to examine the effect of test duration on the residual between the short term test result and the long term AET test result. Seasonality was also examined. This study was not able to identify a single test methodology which consistently outperformed the others, nor was this study able to determine the optimum test duration.

Original languageAmerican English
Pages901-906
Number of pages6
DOIs
StatePublished - 15 Oct 2014
Event40th IEEE Photovoltaic Specialist Conference, PVSC 2014 - Denver, United States
Duration: 8 Jun 201413 Jun 2014

Conference

Conference40th IEEE Photovoltaic Specialist Conference, PVSC 2014
Country/TerritoryUnited States
CityDenver
Period8/06/1413/06/14

Bibliographical note

Publisher Copyright:
© 2014 IEEE.

NREL Publication Number

  • NREL/CP-5J00-62138

Keywords

  • photovoltaic systems power generation
  • solar power generation

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