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Pulsed voltage-fed sustain circuit for AC plasma display drive

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3 Author(s)
Roh, C.-W. ; DTV Core Technol. Res. & Dev. Group, Samsung Electron. Co. Ltd, Suwon, South Korea ; Park, J.-P. ; Youn, M.J.

A new sustain circuit for an AC plasma display drive is proposed. The proposed circuit uses the instantaneous peak current flowing through the inductor during the charging and discharging of a plasma display panel, to recover most of the energy lost by the capacitive displacement current. This circuit can be realised with a small part-count, and gives the zero-voltage switching characteristics to all the switches even in the presence of a parasitic resistance, essential for the design of a sustain circuit for an AC plasma display. The capacitive displacement current and the required reactive power are greatly reduced in the proposed circuit. A comparative analysis and experimental results are presented to show the validity of the proposed energy recovery circuit

Published in:

Electric Power Applications, IEE Proceedings -  (Volume:149 ,  Issue: 2 )