Meiyi Lighting Research Institute questioned the high cost of LED street lamps
The US Department of Energy and related luminaire manufacturers believe that LRC has recently questioned the applicability of LED street lights, and there are errors from the root cause. In a report published earlier this month, the Lighting Research Center (LRC) at Rensselaer Polytechnic Institute (RPI) pointed out that it is impractical to replace high-pressure sodium lamps with LED street lamps. Jim Brodric, lighting project manager at the US Department of Energy, wrote this letter in response to the incident this week. "This report made a serious mistake at the outset and affected all the conclusions." The error was apparently derived from the lamps selected in the test. And these tests are the basis of the LRC test report. Both the relevant luminaire manufacturers and the US Department of Energy believe that the LED luminaires selected by LRC are not suitable for road applications.
The US Department of Energy Brodrick wrote, "The LRC unfortunately chose some low-power LED products to compare with high-pressure sodium lamps, although they did not deliberately do so." The original report we published above also includes the lighting manufacturer BetaLED. The position. Part of the BetaLED remarks is to say, "In the LRC test process, no suitable LED fixtures were selected, in the test environment at the time."
The US Department of Energy responded by sending an email to Brodrick. Brodrick routinely released the document. The new document has not been added to the DOE webpage as an official announcement, but will be released in the near future.
Obviously, the Department of Energy objected to the report because the report hinted that the Department of Energy's LED streetlight experiment report was misleading readers. The Department of Energy asked the LRC to modify some of the wording in the report. Afterwards, the LRC published a document that included the paragraphs that were questioned in the report and requests for amendments from the US Department of Energy. So far, there has been no change in the "Streetlights for Collector Roads" report, although the home page of the report contains information from the Department of Energy on the response to this report.
The US Department of Energy also submitted a report to the LRC a few weeks ago about their own test. The report points out that low-power luminaires and other erroneous choices should not be used in LRC test methods. However, the LRC did not respond to this report, and everyone is now paying attention to this issue. I hope that there will be more progress in the days to come.
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