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Study of implementation of PV-powered LED system to be used as traffic lights in the Bogota city

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3 Author(s)
Hernandez, J. ; LIFAE, Univ. Distrital Francisco Jose de Caldas, Bogota, Colombia ; Silva, J. ; Vallejo, W.

In this paper, a technical and financial study about implementation of photovoltaic (PV) powered LED (light emitting diode) system to be used as traffic lights in a principal avenue of Bogotá city was done. Traditional traffics lights were compared with the new LED system taking into account design and economical parameters. 3 different systems were studied: traditional traffic light, LED traffic light, stand alone PV-powered LED system near to support (SALED) and stand alone PV-powered modern traffic light (SAMTL). The study indicated that in our special case the best option is LED traffic light, it reduces energy consumption about 88% and after 3rd year it is lees expensive than traditional system.

Published in:

Photovoltaic Specialists Conference (PVSC), 2011 37th IEEE

Date of Conference:

19-24 June 2011