Hybrid of Daylight and LEDs in the Lighting Design of a Tunnel

2013 ◽  
Vol 724-725 ◽  
pp. 965-968
Author(s):  
Si Mei Ji ◽  
Guan Ying Cao ◽  
Ying Ming Gao ◽  
Jing Hui Zhang ◽  
Nian Yu Zou
Keyword(s):  
Energy Saving ◽  
Emission Reduction ◽  
Lighting Design ◽  
Natural Light ◽  
Artificial Light ◽  
Lighting System ◽  
Underground Tunnel ◽  
Light Pipe ◽  
Average Luminance ◽  
Saving Effect

In the paper, the hybrid of daylight and artificial light is designed in the lighting of an underground tunnel in order to achieve the effect of energy saving and emission reduction. Light pipe and LED lamps are arranged in the lighting of the underpass. The software of DIAlux and Skyvision are used to simulate for the average luminance, average illuminance and energy-saving index parameters. The energy-saving effect of hybrid lighting system with natural light and LEDs is analyzed.

The Dividing Area Control of Lighting System

2013 ◽  
Vol 330 ◽  
pp. 587-591
Author(s):  
Qing Wei ◽  
Hong Yan Ma
Keyword(s):  
Control System ◽  
Energy Saving ◽  
Lighting Design ◽  
Lighting System ◽  
Artificial Lighting ◽  
Lighting Control ◽  
Energy Issues

The lighting system is an integral part of the whole building. Lighting control system is an important part of the lighting system and lighting design. As increasingly severe of the energy issues, energy saving has become one of the problems to be solved in the lighting control system. This paper takes a normally used office as an example. Control the blinds and the lamps in the office reasonably. On the premise of the full use of daylight, make the office achieve the most comfortable illumination by using artificial lighting supplies.

Design and Construction of an Automated Hybrid Lighting System

2011 ◽  
Author(s):  
Maria M. Pe´rez Sa´nchez ◽  
Josue´ A. Alonzo Chavarria ◽  
Eduardo E. Ordon˜ez Lo´pez
Keyword(s):  
Luminous Flux ◽  
Natural Light ◽  
Artificial Light ◽  
Lighting System ◽  
Light Emitting ◽  
System Components ◽  
Lighting Systems ◽  
Signal Conditioning Circuit ◽  
Conditioning Circuit ◽  
Design And Construction

The lighting systems of homes and workplaces today must be constantly redesigned to be environmentally friendly, sustainable, healthy and ergonomic. This requires maximizing the flow of daylight into indoors, minimizing the amount of pollutants used in their manufacture, long durability materials considered in the design, maximizing energy efficiency of the lighting system components, mimicking the spectrum of natural light and providing some control of lighting modes by the user. Taking into account all these considerations, it is proposed the design and construction of an intelligent lighting system that regulates the use of natural and artificial light, prioritizing the availability of the former over the latter in order to be implemented in housing in the region of the Yucata´n peninsula. To achieve this goal, it is designed and built a light sensor with its own signal conditioning circuit, a light tube of stainless steel with luminous flux control, a dimming circuit for a lamp that uses light-emitting diodes (LEDs) and a control system with a PIC18f4550 micro controller.

scholarly journals Analysis on Energy-saving Lighting Design of the Underground Construction

2012 ◽  
Vol 1 ◽  
pp. 1 ◽  
Author(s):  
Fang Du ◽  
Yong Li ◽  
Feng Wu
Keyword(s):  
Energy Saving ◽  
Architectural Design ◽  
Indoor Environment ◽  
Lighting Design ◽  
Conduction System ◽  
Natural Light ◽  
Underground Space ◽  
Underground Construction ◽  
Artificial Lighting ◽  
Natural Lighting

There are often no windows and lack of natural light in the most of underground space, so lighting design is the most basic for most underground architectural design. Natural lighting is not only for comfortable indoor energy-saving and healthy light environment, but also for the good indoor environment. We need to use natural light and artificial lighting conduction system to offset the lack of natural light and improve the effect of underground space of natural light.

scholarly journals Application Analysis of Energy Saving Measures in Oilfield Electrical Engineering

2019 ◽  
Vol 3 (2) ◽  
Author(s):  
Bin Tan ◽  
Xiaoli Zheng ◽  
Jiang Gao ◽  
Xinghua Li ◽  
Peisheng Cai ◽  
...  
Keyword(s):  
Energy Conservation ◽  
Energy Saving ◽  
Emission Reduction ◽  
Electrical Engineering ◽  
Rapid Development ◽  
Social Economy ◽  
Basic Principles ◽  
The Social ◽  
Application Analysis ◽  
Saving Effect

With the rapid development of the social economy, people are paying more and more attention to environmental issues. If society wants sustainable development, it must put energy conservation and emission reduction on the agenda. At this stage, China has vigorously promoted energy conservation and emission reduction, and all walks of life have gradually embarked on the green road of energy conservation. In recent years, energy saving measures has been widely used in China's oilfield electrical engineering. The author explores and analyzes the basic principles of energy saving measures applied in oilfield electrical engineering, and proposes an effective way to apply energy saving measures in oilfield electrical engineering, hoping to contribute to the energy saving effect of oilfield electrical engineering.

Analysis of Energy Saving Effect of Solar Light Pipe Systems in Beijing Olympic Buildings

2012 ◽  
Vol 452-453 ◽  
pp. 294-298
Author(s):  
Yan Peng Wu ◽  
Jing Li
Keyword(s):  
Energy Saving ◽  
Science And Technology ◽  
Solar Light ◽  
Forest Park ◽  
Light Pipe ◽  
Fluorescent Lamps ◽  
Pipe Systems ◽  
Saving Effect ◽  
Underground Passage

In response to the concept of Olympics, Beijing Olympic buildings use solar light pipe systems for daylighting, such as the underground passage in the Olympic Forest Park and the gymnasium of University of Science and Technology Beijing. In this paper, the solar light pipe systems in the two buildings have been measured to find out whether indoor daylighting performance can meet daily use requirements. At last, compare the result with T8 fluorescent lamps to get the energy saving effect of two buildings. Calculating results showed that indoor illuminance of the two buildings can achieve daily use requirements when external illuminance reaches 25036lx and17895lx, and the amount of electricity that can be saved are 2514KW•h and 22186KW•h per year.

Energy Saving Analysis of Solar-Powered LED Street Lighting Systems

2012 ◽  
Vol 490-495 ◽  
pp. 2254-2258
Author(s):  
Li Lin Zang ◽  
Shuo Li ◽  
Da Jun Tian
Keyword(s):  
Energy Saving ◽  
Light Emitting Diode ◽  
Cost Comparison ◽  
Lighting System ◽  
Street Lighting ◽  
Led Lighting ◽  
Lighting Systems ◽  
Solar Powered ◽  
Saving Effect ◽  
The Cost

The light emitting diode (LED) street lighting systems based on solar photovoltaic technology have been used for some time. In this paper, we present an analysis aiming at assessing the feasibility and economic performance of a solar-powered street lighting system for a 1km road. The present study introduces the architecture of a classical solar-powered LED street lighting system and estimates the total investment cost for a 1 km highway with 2 lanes. The cost comparison of solar-powered LED lighting and sodium lamps using grid was carried out. The calculations show that the energy saving effect of solar-powered LED lighting systems is obvious but the initial investment of solar-powered LED systems is more than sodium lighting systems using grid. The investment cycle is about 2.2 years under the current conditions.

An advanced lighting system combining solar and an artificial light source for constant illumination and energy saving in buildings

2019 ◽  
Vol 203 ◽  
pp. 109404 ◽  
Author(s):  
Hyun Joo Han ◽  
Muhammad Uzair Mehmood ◽  
Rahate Ahmed ◽  
Yeongmin Kim ◽  
Spencer Dutton ◽  
...  
Keyword(s):  
Energy Saving ◽  
Light Source ◽  
Artificial Light ◽  
Lighting System ◽  
Constant Illumination ◽  
Artificial Light Source

The Quota and Analysis of Comprehensive Energy Consumption per Unit for Residential Buildings in Changsha

2012 ◽  
Vol 517 ◽  
pp. 858-863 ◽  
Author(s):  
Qing Huang ◽  
Nian Ping Li ◽  
Xiao Qing Wei ◽  
Yun Sheng Jiang
Keyword(s):  
Energy Consumption ◽  
Energy Saving ◽  
Electric Power ◽  
Energy Policy ◽  
Statistical Methods ◽  
Emission Reduction ◽  
Residential Buildings ◽  
Great Difficulty ◽  
Evaluation Index ◽  
Saving Effect

Using an appropriate evaluation index for energy consumption is advantageous for evaluating energy saving effect of buildings correctly and carrying out energy-saving action reasonably. As a result, it is important to establish a practical quota of energy consumption for promoting energy-saving emission reduction. Energy consumption for residential buildings has been influenced by the behavior of residents in the building largely, and has a higher uncertainty, so it brings great difficulty to researches. Considering the characteristics of residential buildings, this paper uses comprehensive energy consumption per unit as evaluation index. Based on the investigation results and related studies, the residential buildings in Changsha are analyzed with statistical methods, in order to know more about the energy consumption level and structure for the residential buildings in Changsha. This paper shows the characteristics of the energy consumption of the residential buildings in Changsha, and work out the range of the comprehensive energy consumption per unit. The result provides a reference to make out energy policy and enhance the management of energysaving. It can be also used to guide the residents have a reasonable electric power utilization.

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