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A current controlled driver for a Dielectric Barrier Discharge (DBD) lamp is proposed in this paper as opposed to most of the published drivers which are voltage controlled drivers. The design of this driver is intended to enhance the electrical to optical efficiency of the lamp and therefore enhancing the overall efficiency of the system. The driver topology permits direct control of the peak lamp...
Discharge lamp models based on dynamic lamp conductance are derived from physical equations that describe lamp behaviour. Lamp constructive data are not necessary to build the models, just lamp current and voltage data are necessary. In addition, these models have a relatively low complexity and not much calculation time is necessary to obtain them. They can be used to simulate low and high pressure...
We have developed a 3D model, based on the resolution of the propagation of acoustic waves, in the real geometry of the lamp burner. This model provides the frequency spectrum of the different modes which can take place in the lamp. It helps in the understanding of the coupling between the acoustic modes and the arc geometry. Especially, it has shown that the acoustic modes have an influence on the...
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