More Design, Less Installation – Miniaturisation with TALEXXengine DC String

Tridonic has reached a milestone in lighting design with its DC String LED solution. The system supports the trend towards the miniaturisation of LED luminaires, increasing freedom of design and making installation easier at the same time.

In present LED lighting solutions, each LED light source needs an LED driver which contains an AC/DC converter and a DC/DC component. The AC/DC converter takes up most space in te LED driver, defining the component’s minimum size at the same time. This structure is therefore an obstacle to further miniaturising LED luminaires and to increasing freedom of design even more.

In the DC String LED solution, the AC/DC converter, which takes up a lot of space, is separated from the conventional LED driver and is installed at a higher-ranking central location, from where it can supply LED light sources with a total output of up to 150 W in an energy-efficient way. If installed downstream, the lighting system works as a low-voltage DC LED system. The individual light sources, or luminaires, are now only equipped with a low-profile, compact DC/DC module, or the module has already been integrated into the light source, eliminating the limitations that AC/DC converters have created so far. Luminaire manufacturers have the opportunity of further miniaturising LED luminaires and developing even smaller lighting solutions, which blend discreetly into the room and offer impressive high system efficiency.

DALI modules are centrally connected – no wiring needed
DALI and emergency lighting components will also be centrally connected to the AC/DC converter, eliminating the need for connecting them to the individual LED light sources. DALI dimming commands are converted to digital power line signals for the DC/DC modules by the DALI converter. The system still remains DALI-compliant, with each light source appearing separately as a standalone address, and working in an identical way. That way the lighting system only requires one DALI converter, and emergency lighting components can now also be upgraded from a central location without any additional wiring. The central system gives architects and lighting designers more flexibility for placing luminaires in a room in an aesthetic way, meeting specific demands. Installers benefit from easy installation at reduced cost, with maintenance decreasing too.

Upgrading existing lighting systems is equally simple, for example upgrading a non-dimmable lighting system to a dimmable lighting solution. It’s enough to replace the existing light sources with light sources with a DC/DC module, and to connect a higher-ranking central AC/DC converter, as well as DALI and emergency lighting components, if required.

Zumtobel’s Supersystem – a modular, multifunctional LED lighting system offering new angles for lighting design and for the flexibility of placing luminaires in a room – provides an insight into the potential of the new DC String LED lighting solution.
Graphics and photos available.

About Tridonic:
For more than 60 years Tridonic has been a successful innovation driver on the lighting market. This pioneer of digital lighting control is focusing its attention on LEDs as the technology of the future. The broad offering for creating semiconductor-based and conventional lighting solutions ranges from individual components to complete systems. The focus is on LED systems comprising light sources and converters. An extensive portfolio of conventional control gear for different lamp types and light management systems rounds off the programme.
This global company is shaping the technological changes on the lighting market together with its strategic partners and places great emphasis on intensive and personal contact with its customers. The innovative product portfolio, in-depth application know-how and excellent service are aspects that luminaire manufacturers, architects, electrical and lighting planners, electrical installers and wholesalers all find impressive. Solutions based on components and systems from Tridonic meet the highest quality requirements for indoor and outdoor lighting in reference installations throughout the world.
Tridonic GmbH & Co. KG has its headquarters in Dornbirn in Austria. It is a subsidiary of the Zumtobel Group and has own offices in 27 countries on 5 continents. In the 2014/15 fiscal year 1,970 employees generated sales totalling 384.5 million euros. 9.6 % of sales were invested in research and development.

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