led道路照明示范评价报告

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Demonstration Assessment of Light-Emitting Diode (LED) Roadway Lighting

Host Site: I-35W Bridge, Minneapolis, Minnesota

Final Report prepared in support of the U.S. DOE Solid State Lighting

Technology Demonstration GATEWAY Program

Study Participants:

Pacific Northwest National Laboratory U.S. Department of Energy

Minnesota Department of Transportation Federal Highways Administration BetaLED

August 2009

Prepared for the U.S. Department of Energy by Pacific Northwest National Laboratory

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PNNL- 18687

Demonstration Assessment of Light-Emitting Diode (LED) Roadway Lighting at the I-35W Bridge, Minneapolis, MN

Final Report prepared in support of the U.S. DOE Solid-State Lighting

GATEWAY Technology Demonstration Program

Study Participants:

Pacific Northwest National Laboratory U.S. Department of Energy

Minnesota Department of Transportation Federal Highways Administration BetaLED

B.R. Kinzey M.A. Myer

August 2009

Prepared for the U.S. Department of Energy under Contract DE-AC05-76RL01830

Pacific Northwest National Laboratory Richland, Washington 99352

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Electronic copies of the report are also available from the DOE Solid State Lighting website at .

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Preface

This report documents observations and results obtained from a lighting demonstration project conducted under the U.S. Department of Energy (DOE) Solid-State Lighting GATEWAY Technology Demonstration Program. GATEWAY supports demonstrations of high-performance solid-state lighting (SSL) products in order to develop empirical data and experience with in-field applications of this advanced lighting technology. The program focuses on providing independent, third-party data for use in decision-making by lighting users and professionals. Before being extrapolated for use at other sites, this data should be considered in context with other information relevant to the particular site and application under examination.

GATEWAY evaluates and reports on the field performance of SSL products. Each demonstration typically compares one SSL product against the incumbent or otherwise standard technology used in that location. Depending on available information and circumstances, the SSL product may also be compared to alternate lighting technologies; however, the purpose of the GATEWAY program is not to provide an evaluation of all possible alternatives for a given site and should instead be considered only as a single data point for the technology(ies) specifically considered. Manufacturers and users seeking demonstrations of non-SSL products should look to opportunities in the many demonstration programs run by electric utilities, and state- and regionally-funded energy efficiency programs.

Though products demonstrated in GATEWAY have been prescreened and tested to verify their actual performance, DOE does not endorse any commercial product or in any way guarantee that users will achieve the same results through use of these products. Readers considering use of the technologies evaluated in GATEWAY reports must conduct their own due diligence before making decisions regarding selection of any particular technology, or developing expectations of the results to be achieved thereby.

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Executive Summary

This report describes the process and results of a demonstration of solid-state lighting (SSL) technology conducted in 2009 at the recently reconstructed I-35W bridge in Minneapolis, MN. The project was supported under the U.S. Department of Energy (DOE) Solid-State Lighting GATEWAY Technology Demonstration Program. Other participants in the demonstration project included the Minnesota

Department of Transportation (Mn/DOT), Federal Highways Administration (FHWA), and BetaLED (a division of Ruud Lighting). Pacific Northwest National Laboratory (PNNL) conducted the measurements and analysis of the results.

The primary impetus for using LEDs in this particular bridge installation included the desire to

maximize reliability, minimize the need for periodic lighting maintenance (such as relamping the fixtures), provide adequate illumination across the considerable roadway width while avoiding excessive energy use, and complement the state-of-the-art technological design of the bridge itself. DOE has implemented a three-year evaluation of the LED luminaires in this installation in order to develop new longitudinal field data on LED performance in a challenging, real-world environment. This document provides information through the initial phase of the I-35W bridge project, up to and including the opening of the bridge to the public and the initial feedback received on the LED lighting installation from bridge users. A final project report will be issued at the conclusion of the three-year evaluation period, providing documentation of all performance, cost and maintenance data developed over that period.

Mn/DOT has taken a bold step in implementing LED luminaires in this high-risk, highly-visible

application when there is still a notable lack of field experience with the technology due to its still relatively recent introduction to general illumination applications. It is anticipated that the results from this project will continue to serve as reference for many simi …… 此处隐藏：24028字，全部文档内容请下载后查看。喜欢就下载吧 ……