Technical Evaluation of a Dual-Junction Same-Band-Gap Amorphous Silicon Photovoltaic System at NREL

Troy Strand, Laxmi Mrig, Robert Hansen, Keith Emery

Research output: Contribution to conferencePaperpeer-review

2 Scopus Citations

Abstract

On December 7, 1992, a 1.8-kWac utility-interconnect photovoltaic (PV) system using amorphous silicon modules was brought on-line at the National Renewable Energy Laboratory's photovoltaic test site. This system was deployed to conduct an in-situ technical evaluation of the PV array (in a high voltage configuration) and system performance and reliability in a utility-interconnect application. The system is unique due to the installation of construction-grade insulation on the back of each PV module. This use of insulation is an attempt to levelize the annual array power output by elevating the operating temperature of the modules. This paper presents array and system performance data. Emphasis is placed on quantifying the effects of individual losses as well as seasonal changes on PV array and system performance.

Original languageAmerican English
Pages850-853
Number of pages4
StatePublished - 1994
EventProceedings of the 24th IEEE Photovoltaic Specialists Conference. Part 2 (of 2) - Waikoloa, HI, USA
Duration: 5 Dec 19949 Dec 1994

Conference

ConferenceProceedings of the 24th IEEE Photovoltaic Specialists Conference. Part 2 (of 2)
CityWaikoloa, HI, USA
Period5/12/949/12/94

NREL Publication Number

  • NREL/CP-411-6797

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