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CS105 Fiches technique(PDF) 1 Page - Lumileds Lighting Company

No de pièce CS105
Description  LED Streetlights Suit Huizhou
Download  3 Pages
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Fabricant  LUMILEDS [Lumileds Lighting Company]
Site Internet  http://www.luxeon.com
Logo LUMILEDS - Lumileds Lighting Company

CS105 Fiches technique(HTML) 1 Page - Lumileds Lighting Company

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CASE STUDY
CS105 LED Streetlights Suit Huizhou Case Study ©2015 Lumileds Holding B.V. All rights reserved.
Challenge
Huizhou city is located in southern China, in the central Guangdong province and close
to Hong Kong. This is home to the latest retrofit of 150-400W high pressure sodium
(HPS) streetlights to energy-efficient luminaires. The goal of the project was to upgrade
20,000 existing streetlights in a 1:1 fashion to Huizhou ForYou Optoelectronics
luminaires with LUXEON T LEDs.
High luminaire reliability, high energy efficiency and low net system cost were the key
requirements for this project. In addition, because the roadways feature HPS lamps
with varying pole heights (5–14m), different luminaire and secondary optical designs
were needed to meet the various light distribution requirements.
Solution
HPS lamps that draw 150W, 250W, 400W and 550W were replaced with four models
of Huizhou ForYou Optoelectronics IP68 LED luminaires. The different roadway
conditions called for both 3000K and 4000K color temperature and a minimum color
rendering index of 70. The four luminaires used were the T3B-2 IP68 LED streetlight
(68W), the T3B-2 IP68 LED streetlight (105W), the T3A-5 IP68 LED streetlight (170W)
and the T11A-7 IP68 LED streetlight (238W), which deliver an initial luminous flux of
6460 lumens, 9975 lumens, 16150 lumens and 22610 lumens at 3000K CCT and
70CRI, respectively. All models feature tool-free onsite maintenance, and a honeycomb
briquette design for effective heat dissipation from the LEDs.
Summary
Huizhou city is replacing 20,000
HPS streetlights with LED luminaires
that deliver the highest efficacy and
reliability at a competitive price.
Challenge
Provide an energy efficient, flexible
solution for streetlights throughout
Huizhou city, where pole heights
vary from 5–14 meters and flux
requirements vary from 6,000–
22,000 lumens.
Solution
Install four LED luminaires that
deliver 6,460, 9,975, 16,150 and
22,610 lumens initial flux and efficacy
exceeding 95 lm/W at 3000K and
70CRI — using LUXEON T emitters.
Results & Benefits
Huizhou ForYou LED luminaires
feature an expected lifetime of 10
years (L70 of 60,000 hrs), leading to
less interruption along busy roadways
to replace streetlamps, 60% less
energy consumption and 60% less
CO
2 emissions.
LED Streetlights
Suit Huizhou
Four types of luminaires from Huizhou
ForYou Optoelectronics Technology Co., Ltd.
utilize a modular design to meet the high
lumen output and efficacy requirements for
pole heights ranging from 5 to 14 meters
(16 to 50 feet). The luminaires incorporate
LUXEON T LEDs from Lumileds, the
workhorse emitters for highest efficacy in
directional, high flux applications.


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