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Tag Archives: streetlamp

Radar auto-dims streetlights to cut monthly power by a third

Comlight

Comlight of Norway has a self-dimming road lighting system it claims can save up a third or more on energy bills. Based on a radar module attached to each lamppost, it cuts intensity to 20% when no cars are present. The radar beams project across the whole road and pavement, then 900MHz local pole-to-pole communication allow detection to be passed ...

MSSLC reviews AMA led streetlamp report

PNNL comments on AMA led streetlight report

Thanks to Erik Milz of Cree for bringing this to my attention. The US Municipal Solid-state Street Lighting Consortium has produced a short but detailed review of the American Medical Association’s comments on LED street lighting. By MSSLC director Bruce Kinzey, of the US government’s Pacific Northwest National Laboratory, the review is backed-up with links to science. The AMA report is good, ...

Cree talks streetlamps after AMA and LRC differ

LED street light LRC

While broadly supporting led street lighting, the American Medical Association recently raised concerns about the technology, and the US Lighting Research Center then criticised some of the AMA’s conclusions (link). As a reality check, Electronics Weekly spoke to Erik Milz, v-p for marketing outdoor lighting at streetlight maker Cree. Don’t get the wrong idea here, the AMA report is thoughtful ...

Cree boosts street lamp efficacy by 25%

Cree has introduced the next generation of its XSP series of street lamps, increasing output as well as boosting lm/W by up to 25% over the standard XSP Series. Called XSP HO Series, up to 18,523 lm and 116 lm/W is available. The the lamps are intended to replace high-pressure sodium fixtures from 70W to 250W. “Additionally, the luminaires enable increased ...

Lumileds streetlight module matches lenses

Lumileds XR-TX

Lumileds is aiming at streetlights with a module which has 12 leds spaced to suit existing lens arrays. Luxeon XR-TX is 150 x 45mm and based on Luxeon TX leds – connected in a single series string. Forward voltage is a well-controlled 33-33.6V. Try as I might, I cannot find a list of approved “standard third party optics” as the firm ...