ELECTRICAL MODEL IN HELIUM DIELECTRIC BARRIIER DISCHARGE (DBD)

Heba S. Gabr, Mohamed A. El Shaer

Abstract


An electric model created by Simulink/Matlab is used to describe the main characteristics of a plasma dielectric barrier discharge (DBD) at atmospheric pressure under a flow of helium gas. The model is based on a voltage controlled current source and a variable gap capacitor. The applied voltage, the corresponding current, gap voltage and dielectric voltage are the main characteristic investigated in the present work. The applied sinusoidal voltage to the electrodes is generated by an induction coil transformer at 5.7 kHz. Experimental measurements are made to extract some DBD parameters and validate the model results.

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