19m luminaire is world’s longest circadian light

THE WORLD'S longest circadian luminaire has been unveiled in Denmark.

The 19-metre long pendant, which has been approved by the Guinness World records, has been installed in the control room of the country’s energy company Energinet.

The 19-metre long pendant, which has been approved by the Guinness World records, has been installed in the control room of the country’s energy company Energinet.

A team of no fewer than 102 engineers, technicians and designers worked on the  design, construction, production, approvals, assembly, testing, delivery, assembly and installation of the mammoth light.

Together with Ramboll Architectural Lighting Design, Vladan Paunovic, senior engineer Mathias René Toft Rasmussen and Energinet's Building Engineer Arne Hartwigsen, Danish manufacturer Lightcare made the ambitious 5.6m-wide light in just 12 weeks.

The entire responsibility, development, planning and commissioning was carried out by Lightcare. Everything on the lamp is Danish produced.

There have been no fewer than 102 people involved in the world's largest and specially designed circadian light pendant light.

Company sources described the project as ‘exciting, inspiring and nerve-wracking’. 

The control of the circadian light is done via Lightcare OS, a new and pioneering software adapted to Energinet's needs. Staff can use the system to define and individualise the light according to their individual specific needs. 

For approval of the lamp, a 1:1 prototype of 17cm was printed in 3D. It’s created from an aluminium extrusion which is cut and rolled to the desired profile design.

Concurrently, the development, design, layout, documentation and production of six  different PCBs was carried out with no fewer than 44,992 LEDS, which were distributed among the total 174 pieces. 

The LED PCB is controlled by 28 specially-developed power-controlled flicker-free unit controllers. All LED PCBs are mounted on each heat-conducting aluminium plate. 

The luminaire features opalised microprime covers for downlight and the clear acrylic panels for the light were to be produced. 

3D printed parts for the 16 downlights act as individual workplace lighting and are an integral part of the finished pendant light.

 

  • See the latest luminaires - some rather large - at the LuxLive 2019 exhibition, taking place on Wednesday 13 November and Thursday 14 November 2018 at ExCeL London. Entry is free if you pre-register HERE.

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