Pilots public lighting in four municipals

Project start/finish: 2014-2015

 

Public lighting on DC

 

Pilot projects public lighting on DC microgrid

A series of 4 pilot projects started in May 2014 with public lighting, realized by CityTec. Direct Current B.V. developed the DC driver for LED lighting and the public lighting system, together with the intelligent DC system for the DC smart grid where the DC lamps are connected to for energy supply on DC. In collaboration, ELEQ produced a specially equipped terminal box for the new lampposts. The LED luminaires are designed and manufactured by Lightwell.

 

Innovative Intelligent DC System

Direct Current B.V. has developed an intelligent DC system that makes a DC smart grid possible for public lighting. This DC system combines electricity with communication. This is an innovation on DC and is a unique concept of Direct Current B.V., which is also the first in the world. By adding the communication to the DC system, the behavior of each lamp can be individually controlled and regulated, dimmed, or switched on/off, from a central management system.

 

 

Sustainability and Renewable Energy

The DC smart grid can manage much longer distances than the current low-voltage on AC. A DC grid is less susceptible to interference and leads to less energy loss, and thus one saves energy. In addition, a DC grid needs fewer components, thus conserves resources, and is therefore durable compared to the existing AC grid. Also, the DC grid is free of electrolytic capacitors, so that the lifetime of the DC drivers is longer than the AC drivers in the current LED lighting. Consequently,, the DC drivers need to be replaced less often as the AC drivers.

 

 

Pilot 1: Business park De Liede in the municipality Haarlemmermeer

Realized in 2014. The pilot project in De Liede in Haarlemmermeer is the first business park in the Netherlands with a smart DC grid. The LED lights in the lanterns have DC drivers developed by Direct Current BV.

 

 

Pilot 2: Musselkanaal in the municipality Stadskanaal

Realized in 2014. Stadskanaal is the first municipality in the Netherlands where in the center of the district Musselkanaal the public lighting are connected to a DC smart grid of nearly two kilometers. The existing street lighting is replaced by 44 new lampposts containing the LED lights powered by the DC drivers and the public lighting system developed by Direct Current BV.

 

Pilot 3: Residential area in Alphen aan den Rijn

Realized in 2015. First residential area with DC street lighting connected to the DC grid and DC system of Direct Current BV.

 

Pilot 4: Public lighting in Zeeland

Realized in 2015. 

 

Project partners

  • Direct Current BV
  • CityTec
  • Luminext
  • EleQ
  • Lightwell

 

 

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