Solid-state ballasts that more efficiently operate gas-discharge lamps (fluorescent, high-intensity discharge) at high frequency have undergone considerable development during the past five years. Development programs included exhaustive testing of solid-state ballasts in a controlled laboratory environment, as well as two large-scale demonstrations of hundreds of solid-state ballasts. The demonstration sites included an office building and a hospital. In the above tasks the primary concerns were always the performance of the systems (reliability and safety) and the cost-effectiveness of the product. A review of the important characteristics of ballasts and their impact upon energy savings and ballast cost are presented. This information will provide energy managers with a tool for comparing core-coil ballasts and solid-state ballasts. (ERA citation 07:007758)


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    NAVIRE STABILISÉ PAR BALLASTS

    CHAUVEAU JEAN-CLAUDE / CHAUVEAU NÉE ADDOUN / SMADJA OLIVIER et al. | European Patent Office | 2018

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