TECHNICAL EXAMPLE

                             

                             STUDY OF SUNTRACKER LIGHTING SYSTEM INSTALLATION AT CENTRAL WAREHOUSE– GROCERY

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Coordinates: Lon. 23ο44’0″ / Lat 37ο44’0″/ Alt. 10,25μ

CLIMATIC DATA OF THE AREA

In general, the climate has the characteristic of the Mediterranean one, namely, mild and rainy winters, relatively hot and dry summers and great sunshine almost throughout the year.

Mean annual sun radiation: Athens 1.569 kWh/m2 (Source:EMY)

 

YUIO                                                                                                                         FGH

Source: European Commission, Joint Research Centre

                                                                                                                                        Institute for Environment and Sustainability

                                                                                                                                         DESCRIPTION OF THE EXISTING SITUATION

VIEWS OF THE WAREHOUSE

 

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Technical characteristics of the existing lighting situation

 In this particular installation, the following data apply

Recording of lighting

  • Bells : 30×400 watt 12.000 watt or 12KW
  • Warehouse operation hours : 12h/day in average
  •  Days of operation : 322 days/year

 

View with the Suntracker systems (exact location)

On the basis of the requirements for this particular installation, the following choice to place the natural daylight Suntracker systems was made. 8 Suntracker system were installed. The choice was made on the basis that product sorting takes place under these particular points. The only point where no Suntracker was installed was the one under which there was a desk

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Tridimensional imaging

Here bellow, we can see the 3-D image of the 8 installed Suntracker systems and the respective brightness they emit in the area. Depending on the requirements of the facility, we can chose the points of placement of the Sunrackers. Adequate testing allows us to achieve the desired result.

PLKI

Tabular Presentation of Photometric Data of Luminaires- The light intensity and the luminance are also presented in tabular form

PPP

TOO

LUI

Summary of results

Here bellow we can see the summary view of the facility with the following basic elements being marked:

  1. Lux achievement around the Suntracker systems
  2. Installation data (dimensions and height of the ceiling)
  3. ρ% = reflection rate
  4. Εm = mean value of brightness in lux
  5. Εmin = min value of brightness in lux
  6. Εmax = max value of brightness in lux

What needs to be noted is that the mean value of brightness in lux at the work level is 400lux.

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