A high pressure sodium lamp with an improved starting circuit

概要

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The authors previously introduced a High Pressure Sodium Lamp with increased xenon pressure to achieve higher efficacy and to enable the use on High Pressure Mercury Ballast by means of an internal starter as well.In this paper, firstly, the relationship between the pulse voltage of the internal starter and the lamp starting ability is discussed.The authors then introduced an improved starting method by adding a simple circuit which aims to lower the maximum pulse voltage.
社団法人照明学会の論文