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JEET, Vol. 13, No. 1, January 2018
Analysis and Design of Resonant Inverter for Reactive Gas Generator Considering Characteristics of Plasma Load
Byoung Kuk Lee
Area B - Electric Machinery and Power Electronics
Abstract This paper analyzes a resonant inverter to generate plasma. The resonant inverter consists of a full bridge converter, resonant network and reactor to generate a magnetic field for plasma generation. A plasma load has very distinct characteristics compared to conventional loads. The characteristics of plasma load are analyzed through experimental results. This paper presents the study on the resonant network, which was performed in order to determine how to achieve a constant current gain. Another important contribution of this study is the analysis of drop-out phenomenon observed in plasma loads which is responsible for unpredictable shutdown of the plasma generator that requires stable operation. In addition, the design process for the resonant network of a plasma generator is proposed. The validity of this study is verified through simulations and experimental results.
Keyword Reactive gas generator,High frequency DC-AC inverter,Phase shift full bridge converter
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