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Designing the high voltage transformer of power supplies for DBD: Windings arrangment to reduce the parasitic capacitive effects

Abstract : In Dielectric Barrier Discharges (DBDs), the control of the power transfer, from the low-voltage static converter to the high voltage DBD, is strongly affected by the parasitic capacitive effects of the step-up transformer. Minimizing these capacitances is of major importance and this paper aims to establish and validate analytical expressions in order to predict the values of the parasitic capacitances of high ratio, step-up transformers, according to different windings arrangements using cylindrical conductors. Afterward, experimental validations are performed on three transformers which have been realized according to same specifications, in order to show the accuracy of the method and to understand the influence the winding arrangements on the capacitive parasitic effects.
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Xavier Bonnin, Hubert Piquet, Rafael Diez, David Florez. Designing the high voltage transformer of power supplies for DBD: Windings arrangment to reduce the parasitic capacitive effects. Power Electronics and Applications (EPE), 2013 15th European Conference on, Sep 2013, Lille, France. pp. 1-9, ⟨10.1109/EPE.2013.6631928⟩. ⟨hal-01444212⟩

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