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Reduction of lighting power consumption through lighting control using the KNX/digital addressable lighting interface protocol in liquefied natural gas carrier accommodation mock-up

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  • Kim, Jin
  • Choi, Anseop

Abstract

Lighting in ships is the main energy consumer in the overall power system and is closely associated with the creation of visual comfort and a safe work environment for the crew. A convergence point between the energy efficiency of ship lighting and a safe work environment for the crew can be achieved in various ways. This study applied the KNX and Digital Addressable Lighting Interface (DALI) systems to a mega-ship. A mock-up identical to an accommodation unit in an actual Liquefied Natural Gas Carrier in construction was developed, where the lighting for ships was installed and the KNX/DALI protocol, and occupancy sensors were applied as the lighting control system. The measurement of the 24 h power consumption with a conventional lighting arrangement design and the KNX/DALI system indicated that the lighting power consumption decreased from 12,935.2 to 2830.3 W h, implying a ≥80% reduction. This lighting solution involves control based on the traffic line of the crew at work, which plays a key role in enhancing the energy efficiency of the ship, promoting a safe work environment and visual comfort for the crew, and maximizing integration with other digital systems of the ship.

Suggested Citation

  • Kim, Jin & Choi, Anseop, 2023. "Reduction of lighting power consumption through lighting control using the KNX/digital addressable lighting interface protocol in liquefied natural gas carrier accommodation mock-up," Renewable and Sustainable Energy Reviews, Elsevier, vol. 182(C).
    • Handle: RePEc:eee:rensus:v:182:y:2023:i:c:s1364032123002319
    DOI: 10.1016/j.rser.2023.113374
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    References listed on IDEAS

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    1. Tore Longva & Magnus S. Eide & Rolf Skjong, 2010. "Determining a required energy efficiency design index level for new ships based on a cost-effectiveness criterion," Maritime Policy & Management, Taylor & Francis Journals, vol. 37(2), pages 129-143, March.
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