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30178

ENERGY SAVING POTENTIAL USING SCOTOPICALLY ENHANCED LIGHTING

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Last updated: 04 Jan 2025

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Abstract

Start Light Emitting Diodes (LEDs) had been profiting a great deal of interest in the last few years. LED bulbs are much more efficient, contain no toxic materials, eco-friendly, consume less energy, directional lighting, quick to turn on, and dimmable models. Scotopically Enhanced Lighting (SEL) is lighting that has more bluer in the spectrum, typically characterized by higher correlated color temperature (CCT). LED light provides better visual acuity, enhanced brightness perception, and produces a light spectrum more closely resembling daylight. Therefore, the SEL can be used at lower energy levels while maintaining equal vision. The functioning factor used on SEL is called the S/P ratio; it is equal to the proportion of scotopic to photopic lumens from a lighting source. LEDs having different values for CCT, and higher S/P ratio, can be used to describe the effective lumens of indoor lighting. Using SEL, LEDs have achieved high energy savings by advocating the use of bluer lighting in commercial and municipal buildings. This paper focuses specifically on the SEL applications and recommends replacing existing traditional lamps by LED lamps having higher CCT.

DOI

10.21608/iceeng.2018.30178

Keywords

State Scotopic, photopic, light emitting diode, color temperature, Energy saving, compact fluorescent lamp, S/P ratio

Authors

First Name

Ragad

Last Name

Kheireldin

MiddleName

Khaled

Affiliation

Improving Energy Efficiency of Lighting & Building Appliances Project. Cairo, Egypt.

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Orcid

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First Name

Saida

Last Name

Khalaf

MiddleName

-

Affiliation

Improving Energy Efficiency of Lighting & Building Appliances Project. Cairo, Egypt.

Email

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City

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Orcid

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First Name

Kamelia

Last Name

Youssef

MiddleName

-

Affiliation

Improving Energy Efficiency of Lighting & Building Appliances Project. Cairo, Egypt.

Email

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City

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Orcid

-

First Name

Ibrahim

Last Name

Yassin

MiddleName

-

Affiliation

Improving Energy Efficiency of Lighting & Building Appliances Project. Cairo, Egypt.

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Volume

11

Article Issue

11th International Conference on Electrical Engineering ICEENG 2018

Related Issue

5236

Issue Date

2018-04-01

Receive Date

2019-04-15

Publish Date

2018-04-01

Page Start

1

Page End

10

Print ISSN

2636-4433

Online ISSN

2636-4441

Link

https://iceeng.journals.ekb.eg/article_30178.html

Detail API

https://iceeng.journals.ekb.eg/service?article_code=30178

Order

45

Type

Original Article

Type Code

833

Publication Type

Journal

Publication Title

The International Conference on Electrical Engineering

Publication Link

https://iceeng.journals.ekb.eg/

MainTitle

ENERGY SAVING POTENTIAL USING SCOTOPICALLY ENHANCED LIGHTING

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Article

Created At

22 Jan 2023