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This paper deals with halogen luminaries, ones of the main used lighting sources in residential area. The use of these artificial light sources leads towards different operational constraints in the low voltage power systems, such as inrush currents, harmonics or high frequency perturbations. Hence, the aim of the work is the characterization and modeling of halogen luminaries in ATP-EMTP, in order to understand low voltage power systems transient phenomena and the conditions of lamps compatibility with the electrical devices such as circuit breakers or residual current protection. Measurements on real lighting power systems were performed to show the accuracy of developed models.