the 20 optimization of natural and artificial lighting

OPTIMIZATION OF NATURAL AND ARTIFICIAL

LIGHTING SYSTEM IN UPGRIS

LECTURER’S WORKSPACE USING DIALUX EVO

Ratri Septina Saraswati, S.T., M.T., Baju Arie Wibawa,ST, MT, Bambang Eko S, Andhika BC,S.T.

Universitas PGRI Semarang

[email protected] Retrofitting: Building, Cities and Communities

in The Disruptive Era

The 20th

International Conference on

Sustainable

Environment

& Architecture

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INTRODUCTION & LITERATURE REVIEWPlace Your

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The simulation for quality and quantity of lightingThe quality and quantity of lighting in a room can affect the performance and comfort of users in the

room. All living things need light to function properly. If the lighting in the room is not in accordance with

lighting standards, it will reduce the level of performance and productivity of the human inside.

From existing empiric datas, the energy consumption for artificial lighting in office buildings is in second

place after the electric consumption for artificial ventilation systems. Indonesia as a tropical country has

the potential for natural lighting that is available throughout the year, naturally emitted in abundance and

free of charge. The results of the analysis of natural lighting will be used as the basis for optimizing the

integration of artificial lighting through the installation of a lux sensor.

1.1. Simulation for Natural LightingLocation : The main building of Universitas PGRI Semarang,Jl. Sidodadi Timur No. 24 Semarang City.

Floor : 8 floors

Function :The University administration center, Rector’s Office, lecturers workspace and classrooms of

3 Faculties.

Object : The research study is devoted to the Faculty of Engineering and Informarmatics lecturers

worskspace, located on the 3rd floor and on the South side of the building.2

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FINDINGS AND DISCUSSIONPlace Your

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Supported By:Organized By:Figure 1. Lecturer workspace as the Research Subject

Analysis was carried out on windows and bouvenlight conditions as the source of the entry of daylight,

without attention to other effects as glare or heat from direct sunlight. This research has not done

optimization of changes or planning to add to the existing wall holes. The results of the analysis of

natural lighting will be used as the basis for optimizing the integration of artificial lighting through the

installation of a lux sensor.

Simulation analysis for natural lighting was taken out at :

• low solar altitude angle (09.00 AM) - September 2020 and

• high solar altitude angle (01.00 PM) - September 2020.

Figure 2. Visualization of the actual lighting conditions in the

UPGRIS FTI lecturers workspace

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Analysis of natural lighting conditions in the lecturers' workspace was taken at 09.00 AM when the solar

low altitude angle and at 01:00 PM when the solar altitude angle is high. The simulation results show

that the average natural lighting level in all parts of the room is 164 Lux, it means still far from the SNI

16-7062-2004, measurement of Lighting Intensity in the workplace standard is 350 Lux.

Figure 4. Analysis of natural lighting conditions was taken at 01.00 PMFigure 3. Analysis of natural lighting conditions was taken at 09.00 AM

1.2. Simulation for Artificial Lighting in Gedung Pusat Existing BuildingThe simulation of the artificial lighting system is taken by turning off natural lighting sources

thatcome from wall holes. The type of lamp used in the artificial lighting simulation is using :


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Figure 5. Analysis of lamp installation with a minimum SNI 16-7062-2004

standard in 350 Lux

The result of simulation of the artificial lighting

power in the existing condition is 201 Lux, still

below from the SNI standard value in 350 Lux.

2nd simulation : Lamp type : Philips RC484B LED 78S

12 units installed on 12 armatures in 3 x 4 rows.

Figure 6. The lamps type and specification for retrofitting

The result of simulation of the retrofitting artificial

lighting is3 92 Lux, has reached the SNI standard

value in 350 Lux

1st Simulation : Lamp type : Philips T5 15.5 W

LED lamps

24 units installed on 12 armatures in 6 x 2 rows.


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1.3. Integration of Artificial Lighting and Natural Lighting

Integration analysis of artificial lighting and natural lighting :

• 09.00 AM with existing lamps resulted power illumination in 256 Lux, below SNI 16-7062-2004

standard value in 350 Lux by energy power 0.84 watts/m2.

• 01:00 PM with existing lamps resulted power illumination in 356 Lux, above the SNI 16-7062-

2004 standard value in 350 Lux by energy power 0.84 watts/m2

Figure 7. Analysis of illumination integration of existing artificial

and existing natural lighting at 09.00 AMFigure 8. Analysis of illumination integration of existing artificial

and existing natural lighting at 01:00 PM


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- 09.00 AM with artificial lighting, produce the power

illumination in 556 Lux, above the SNI 16-7062-2004

standard in 350 Lux, with a power of 5.01 watts / m2

- 01.00 PM with artificial lighting, produce the power

illumination in 556 Lux, above the SNI 16-7062-2004

standard 350 Lux, with a power of 5.01 watts/m2

Figure 8. Analysis performance retrofitting lighting integration of

existing artificial and natural l at 09:00 AM

Figure 9: Analysis of retrofitting lighting integration of existing artificial

and natural lighting at 01:00 PM

The result of analysis for retrofitting the integration of natural lighting :

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1.4. Optimization of Artificial Lighting and Natural Lighting using Lux SensorAnalysis of illumination, which is an integration between artificial and natural lighting,

uses the approach of utilizing natural lighting as the main source that must be utilized, so that the work

desk area located near the window (with natural lighting> 350 Lux) does not need to use artificial lighting.

1st simulation is taken at 09.00 AM by turning off 5

lights which are positioned near the window.

The results show that the average illumination in this

workspace room is 402 Lux, slightly above the SNI

standard value 350 lux , with a smaller power of 2.92

watts / m2

2nd simulation is taken at 01.00 PM by turning off 5

lights which are positioned near the window.

The results show that the average illumination in

this workspace room is 492 Lux, slightly above the

SNI standard value 350 lux, with a smaller power

2.92 watt /m2

Figure 10. Analysis of luminance performance with automatic

LUX sensor at 09.00 AM

Figure 11. Analysis of luminance performance

with automatic LUX sensor at 01.00 PM

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The results of lighting quality and quantity simulations 2.1. The results of all simulations That have been taken out can be compared the simulation for natural lighting, artificial lighting, dan intergration of them in the Table 1 below:

Table 1. Comparison of Simulation Results

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3. Conclusions and SuggestionsBased on the simulations that have been taken in the Faculty of Technology and Informatics lecturers'

workspace, there are several results that can be concluded as follows:

• The simulation results obtained in the existing conditions show that the strong level of light from natural

lighting gives an average value of 164 Lux at 09.00 AM, and 225 Lux at 01.00 PM, below SNI 16-7062-

2004 standard value in 350 Lux

• The simulation results for the strong value of illumination for the installed artificial light gives a value of

201 Lux with electric power consumption 1.69 Watt / m2.

• The simulation results of the integration of natural and artificial lighting produced 256 Lux at 09:00 AM

and 356 Lux at 01:00 PM by 0.84 watts/m2 is still less than SNI 16-7062-2004 standard 350 Lux.

• The integration of artificial with natural lighting produces a strong illumination 556 Lux which is much

higher than the standard of SNI 16-7062-2004 - 350 Lux by a power of 5.01 watts / m2

• Artificial lighting at night can show minimum standards, but its use in conjunction with natural lighting

during the day provides very excessive lighting levels with very large power consumption.

• Artificial Lighting and Natural Lighting using Lux Sensor produced 402 Lux at 9:00 AM and 492 Lux at01:00 PM by 2.92 watts / m2 is higher than SNI 16-7062-2004 - 350 Lux.

• Artificial Lighting and Natural Lighting using Lux Sensor system could be optimizing quality and quantity

of lighting needs with a low electrical power consumption during the day

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References[1] Landsberg, H.E. The Urban Climate, Academic Press; 1981; New York.

[2] Shudo, H., Sugiyama, J. Yokoo, N., and Oka T; A study on temperature distribution influenced by various land uses, Energy and Buildings; 1997; 26; 199-205.

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[4] Bruse, M. Simulating human thermal comfort and resulting usage patterns of urban open spaces with a Multi-AgentSystem, in: Wittkopf, St. and Tan, B. K. (eds.):

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[7] Paramita, Beta, Fukuda. Head Intencity of Urban Built Environment in Hot Humid Climate Region, American Journal of Environmental Science 10, 2014; (3): 210-

219

[8} NOAO Edu. Recommended Light Levels (Illuminance) for Outdoor and Indoor Venues

[9] Latifah, Nur Laela. Fisika Bangunan 1. Jakarta Griya Kreasi. 2015; 20-35

[10] Latifah, Nur Laela. Fisika Bangunan 2. Jakarta Griya Kreasi. 2015; 8-22

[11] Wisnu, Indarwanto, Evaluasi Sistem Pencahayaan Alami dan Buatan pada Ruang Kerja Kantor Kelurahan Paninggilan Utara, Ciledug, Tangerang, Vitruvian :

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[12] Mangapu;, juara. Pola Distribusi Pencahayaan Lamp Controller Philips Hue Go menggunakan Smartphone dengan Dialux Evo 7.1. untuk Rumah Tinggal Jurnal

Ilmiah Elektrokrisna Vol. 6 No.3 Juni 2018; 146-158

[13] Saraswati, Eva. Evaluasi Pencahayaan untuk Performa Visual pada Kantor Gedung PPAG Universitas Katolik Parahyangan, Bandung. Skripsi Universitas Katolik

Parahyangan 2017; 35-85

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Journal, 2018.

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TRANSIENT, Vol 8.No.1; 48-56.

[16] Badan Standarisasi Nasional. SNI 16-7062-2004 tentang tentang Pengukuran Intensitas Penerangan di Tempat Kerja.

Thank You

The 20th International Conference on

Sustainable Environment & Architecture

Supported By:Organized By:Presenter Affiliation:

the 20 optimization of natural and artificial lighting

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