Low-Cost Sustainer with a Simple Energy Recovery Circuit Utilizing Parallel Resonance

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A low-cost sustainer with a simple energy recovery (ER) circuit for plasma display is proposed in this paper. The proposed ER circuit employs a bidirectional switch consisting of one switch and four diodes. In the proposed sustainer, the insulated gate bipolar transistor (IGBT) can be used as a switch. Since all power switches are turned off under zero-current switching (ZCS), the tail current problem associated with IGBT does not occur in the proposed sustainer. Theoretical analysis and performance of the proposed ER circuit were verified on an experimental prototype operating at 200 kHz switching frequency.

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602-605

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December 2012

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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