A small-signal linear model of a CCFL ballast that uses a voltage-driven piezoelectric transformer is presented. The model includes the lamp dynamic and is based on the application of the generalized averaging method presented in (R. Sanders, et al., 1991). The derived model can be used for stability analysis purposes and is able to predict instabilities observed in different experimental setups
Small-Signal Analysis of Cold Cathode Fluorescent Lamp Ballasts
SPIAZZI, GIORGIO;BUSO, SIMONE
2005
Abstract
A small-signal linear model of a CCFL ballast that uses a voltage-driven piezoelectric transformer is presented. The model includes the lamp dynamic and is based on the application of the generalized averaging method presented in (R. Sanders, et al., 1991). The derived model can be used for stability analysis purposes and is able to predict instabilities observed in different experimental setups
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