Local WRTL Luma 1s (Philips BGP 623s)
Along with the larger Luma 2 lantern, the Luma 1 LED lantern made its Derby début in 2015 as part of the 'Infinity Park' development off Wilmore Road in Sinfin.
This lantern is installed on a footpath that is located opposite the new development.
The lanterns are fitted with Telensa radio nodes in place of NEMA photocells, in order to allow for remote switching, as well as for dimming during the quieter periods of the night.
These lanterns run four separate matrixes of 20 LEDs, which, if we then apply the advanced mathematics, equates to 80 LEDs per lantern.
Owing to the proximity of overhead high voltage electrical conductors, all of the columns in this area are of a reduced height. They are also base-hinged, in order to facilitate any future maintenance from ground level. The columns are arranged in an 'opposite' configuration, in order to provide sufficient light levels across the full width of the road.
Cast into the top sides of the lanterns are a series of waves - these act as a heat sink for the temperature-sensitive LED array immediately below.
The slim profile of these lanterns can be appreciated here.
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