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Arnold BuddenbergThe Performance of Components Used in Daylighting and Lumen Maintenance Control Systems Robert Wolsey Lighting Research Center, Rensselaer Polytechnic Institute Watervliet Facility 2215, 110 8th Street, Troy, New York, 12180, USA Abstract Although the energy-saving potential of reducing electric lighting when daylight is available is widely acknowledged, the use of control systems for daylighting has been limited. One of the barriers to their use is the lack of information about system performance at reduced input power levels and the compatibility of system components. This paper examines compatibility and application issues in daylighting and lumen maintenance control. It describes performance tests of six dimming electronic ballasts for 32-watt T8 lamps and five photosensors. The ballasts were tested for their performance at different input power levels, and different ballast-photosensor combinations were compared for their compatibility.
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