Determining Lamp/Ballast System Performance with a Temperature-Controlled Integrating Chamber

摘要

An experimental integrating chamber for measuring the photometric and electrical performance of fluorescent light sources over a wide range of bulb-wall temperatures is described. The system was used to measure the relative light output and system efficacy of various solid-state ballasted fluorescent lighting systems for minimum bulb-wall temperatures between 20 exp 0 and 65 exp 0 C. For lamp-wall temperatures between 30 and 60 exp 0 C, the relative efficacies of the solid-state ballasted systems were found to be less sensitive to changes in bulb-wall temperatures than standard or efficient (low-loss) core-coil ballasted systems. (ERA citation 09:035682)