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Research about Leakage Inductance Effect of Double-Ended Flyback Converter

MA Ji-zhi

Abstract

The leakage inductance of transformer has huge influence on the energy returned stage of double-ended flyback converter.The theory calculation means of parameters in the energy returned stage of double-ended flyback converter was derived by constructing the circuit model of this stage.The influence of the leakage inductance on energy returned stage was analysed by using of Matlab.The means that establishes the leakage inductance restriction to be bound of transformer was giving in practical engineering design.At last,validating the veracity of theory is validity by testing a 4 kW double-ended flyback converter.

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Key concepts: Leakage inductance, Flyback converter, Flyback transformer, Inductance, Buck–boost converter, Transformer, Forward converter, Electronic engineering