Soft switched full‐bridge light emitting diode driver configuration for street lighting application

This paper studies the manner of energy consumption in Libyan street lighting systems and general road section. It also suggests proposal system with two cases of operation for an attempt to apply the energy saving program by adopting an optimum method in order to decrease the demand of energy in this section and to reduce the use of uneconomic equipment.The proposal system in this paper introduces the Light Emitting Diode (LED) street lighting technology to be used instead of traditional luminaries High Pressure Sodium (HPS). The proposed system is divided into two cases. The first case discusses the replacement of traditional luminaries (HPS) with energy saving luminaries (LED), while second case explains how integrating control node (dynamic dimmer) into LED in order to dim output lighting in streets will save more energy.This study reaches a result that a significant amount of energy of %47 (about 1092.23 GWh/year) of total energy consumed in street lighting sector could be saved if first case is applied. Moreover, it suggests that more energy of %58 (about 1380.02 GWh/year) of total energy consumed in the same sector cloud be saved if the second case is adopted.

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Bridgeless electrolytic capacitor‐less valley‐fill AC/DC converter for offline Twin‐Bus light‐emitting diode lighting application

IET Power Electronics ◽

10.1049/iet-pel.2012.0708 ◽

2013 ◽

Vol 6 (6) ◽

pp. 1132-1141 ◽

Cited By ~ 30

Author(s):

Hongbo Ma ◽

Cong Zheng ◽

Wensong Yu ◽

Bin Gu ◽

Jih‐Sheng (Jason) Lai ◽

...

Keyword(s):

Light Emitting Diode ◽

Electrolytic Capacitor ◽

Light Emitting ◽

Valley Fill ◽

Lighting Application

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Life cycle cost comparison of high-pressure sodium and light-emitting diode luminaires in street lighting

The International Journal of Life Cycle Assessment ◽

10.1007/s11367-015-1000-x ◽

2015 ◽

Vol 21 (2) ◽

pp. 137-145 ◽

Cited By ~ 13

Author(s):

Leena Tähkämö ◽

Rami-Samuli Räsänen ◽

Liisa Halonen

Keyword(s):

High Pressure ◽

Life Cycle ◽

Life Cycle Cost ◽

Light Emitting Diode ◽

Cost Comparison ◽

Street Lighting ◽

Light Emitting

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Determination of LED’s Efficacy for Lighting Application

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.971-973.946 ◽

2014 ◽

Vol 971-973 ◽

pp. 946-949

Author(s):

Yu Yan Man ◽

Chi Zhang ◽

Xiao Guang Xi ◽

Ming Lei Wu ◽

Yan Wei Dong ◽

...

Keyword(s):

Light Emitting Diode ◽

Thermal Characteristics ◽

Light Emitting ◽

Dependency Relationship ◽

Definition Of ◽

Lighting Application

The efficacy and its degradation of light emitting diode (LED) are related to its PN junction’s temperature (Tj). Currently efficacy in certain Tjand thermo-resistant are defined for the thermal characteristics. In the paper samples from different manufacturers were tested for their efficacies and dependency relationship on Tj, results were investigated and show that current definitions on thermal characteristics are quite inconvenient or unreasonable for general lighting application. Then a new definition of LED’s efficacy was suggested for general lighting application.

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Demonstration Assessment of Light-Emitting Diode (LED) Street Lighting Host Site: Lija Loop, Portland, Oregon

10.2172/972973 ◽

2009 ◽

Author(s):

Bruce R. Kinzey ◽

Michael Myer

Keyword(s):

Light Emitting Diode ◽

Street Lighting ◽

Light Emitting

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A Bidirectional Buck-Boost Converter-Based Switching Ripple Communication Strategy for Intelligent Street Lighting Systems

Power Electronics and Drives ◽

10.2478/pead-2021-0016 ◽

2021 ◽

Vol 6 (1) ◽

pp. 260-275

Author(s):

Yixuan Zhang ◽

Yihua Hu ◽

Zion Tse ◽

Yuwei Liu ◽

Jiamei Deng ◽

...

Keyword(s):

Pulse Width Modulation ◽

Light Emitting Diode ◽

Boost Converter ◽

Communication Strategy ◽

Transmission Scheme ◽

Transmission Method ◽

Street Lighting ◽

Light Emitting ◽

Control Centre ◽

Lighting Systems

Abstract The light-emitting diode (LED) is an essential component of intelligent street lighting (ISL) systems. An efficient ISL system can not only reduce power consumption by planning LED illuminating time but also reduce maintenance costs through a high degree of automation. In this paper, a buck-boost converter is used to realise composite transmission of power and signals for an ISL system. The power is modulated by the pulse width modulation (PWM) approach, and the switching ripple generated in the PWM process is utilised as the carrier of the signals transmitted between the remote-control centre and the slave nodes. Moreover, the proposed model involves a ‘request to send (RTS)/confirm to send (CTS)’ mechanism to avoid signal conflicts. Compared with the conventional power line communication (PLC) approach, the proposed transmission scheme has the advantages of simple circuit structure and simple system wiring. Additionally, a simulation model built in MATLAB/Simulink proves the designed transmission method has strong anti-noise ability.

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Revision of Smart Street Lighting LED

Ingeniería solidaria ◽

10.16925/2357-6014.2019.02.09 ◽

2019 ◽

Vol 15 (28) ◽

Author(s):

Diego Julián Rodríguez Patarroyo ◽

Iván Felipe Cely Garzón ◽

Cristhian Alexander Letrado Forero

Keyword(s):

Energy Efficiency ◽

Energy Use ◽

Light Emitting Diode ◽

Lighting System ◽

Street Lighting ◽

Light Emitting ◽

The World ◽

Current Context ◽

Lighting Systems ◽

And Performance

Introduction: This Literature Review article is the result of a research on the current situation of smart public lighting systems with light-emitting diode (LED) technology in cities around the world. Problem: How convenient is it to use smart public lighting system with LED luminaires? Objective: To review the context of smart public lighting with LED technology. Methodology: Within this project, a lit review was conducted with more than 50 academic articles found in different databases such as: IEEE Xplore, Scopus, ScienceDirect etc. The selection criteria of the information followed the revision of articles from 2006 to 2018, and also, took into account their installation and performance in different cities and places of the world. Furthermore, articles on polluting and inefficient technologies were excluded. Conclusion: Considering the current context in which LED smart public lighting is, it is more likely to be implemented in the future. Results: Smart LED street lighting systems are more efficient in energy use, leads to savings in costs in medium terms, and finally, present a lower environmental impact compared to conventional lighting systems. Limitations: The review focuses on energy efficiency and economic aspects, not on social aspects. Originality: Smart LED public lighting systems have been researched within the economic and energy efficiency context.

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