Design and Implementation of Efficient LED Lighting System for a Classroom by using DIALUX

The design of Solar based LED lighting system with solar tracking suitable for a class room is proposed. The model of class room will be created using DIALux EVO and LED lighting system will be provided inside the room for illumination. The design calculations of the lighting will be as per the

Project Title

Design and Implementation of Efficient LED Lighting System for a Classroom by using DIALUX

Project Area of Specialization

Shared Economy

Project Summary

The design of Solar based LED lighting system with solar tracking suitable for a class room is proposed. The model of class room will be created using DIALux EVO and LED lighting system will be provided inside the room for illumination. The design calculations of the lighting will be as per the IESNA (Illumination Engineering Society of North America) standards. In order to maximize the conversion from solar to electrical energy, the solar panels have to be positioned perpendicular to the sun. For this purpose we will design an automatic tracking system, which can locate position of the sun thus increase efficiency. Based on the lighting load requirement, the number of solar panels and batteries required to generate and store the power will be determined. To assess the performance of the lighting system, simulation will be done and the photometric parameters will be calculated from the observed values. In addition to the photometric parameters, the annual lighting energy required for illuminating the room will also be estimated.

Project Objectives

Lighting plays a vital role in regular human activities which is naturally available from the sun in day time. To carry out the human activities throughout artificial lighting is required. Such an artificial lighting should be as close as possible in replicating the natural lighting. It should be environmentally and functionally suitable for people working inside the task area.  The power can also be generated from renewable energy such as solar. For better efficiency solar tracker will be added. Meeting the energy demand and using the available power in a judicious way is the solution for energy crisis prevailing now. The artificial light will have following characteristics.[1] Intensity should be ample for clear and distinct vision [2]Uniform distribution of brightness within the space [3]Appropriate horizontal and vertical lighting value.[4]Suitable colour of the light source.[5]Reduction of glare.[6]Location of light source well above the range of vision.

Project Implementation Method

First the simulation for lighting will be done on DIALux EVO for specified room parameters. We will try to make artifial lighting system as close to natural as possible. The solar tracker will be used for better use of sun light at differnt time of day. Also the Class room model (a scaled version of class) will be made for physical representation. The lighting will be done according to simulated results.

Benefits of the Project

Use of solar power to reduce stress on national grid. Using DIALux to produce Glare free and Pleasent light for work planes. The stress on human eyes will be reduced by the usage of simulated LED light. Better advantage of sun light by using solar tracker system. The power consumptions and efficiency of traditional lights sources and LED lights in illuminating the household environment were analyzed and compared with each other at average standard illuminance. This has proved that LED lighting consumes less power producing high efficiency. Performance of the different light sources was tested based on power quality measurements. The result has proved that LED lights have poor factor and correction has to be done. Lighting design for an indoor task environment should result in good visual comfort, visual performance and energy efficiency.

Technical Details of Final Deliverable

An experimental setup of PV based WLED lighting system for indoor application has been verified which resulted in 96% driver efficiency and light output of 329-370 lx inside the room Several lighting control algorithms and software techniques are available, which enables us to model and pre-visualize the lighting condition. This would be helpful for the lighting  designers and researchers to decide on the illumination condition for a specified task area. The objective of this paper is to design a solar PV powered lighting system for a class room that should be functionally suitable for the group of people working inside. It should be aesthetically pleasant, visually comfortable and consume less power. It should have a good energy balance between power generation and power consumption. Here a class room model is created along with LED lighting system in Dialux and simulated to pre-visualize the illumination condition. LED lamp is used here because the rated lifetime of this lamp ranges from 35000 – 50000 hours, with an average luminous efficacy of 64lm/W. The CRI is around 93 and CCT is around (2700-3000) K. The LED lamp used in this project is obtained from the Philips plug in module.

Final Deliverable of the Project

HW/SW integrated system

Type of Industry

Energy , Others

Technologies

Shared Economy, Others, Clean Tech

Sustainable Development Goals

Affordable and Clean Energy, Decent Work and Economic Growth, Climate Action

Required Resources

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