Single stage PFC circuit

Published:2011/6/27 3:15:00 Author:TaoXi | Keyword: Single stage, PFC | From:SeekIC

When the convertor of the electric car charger is working in the high frequency state, it will cause the harmonic pollution to the power grid, so we must do some effective actions to limit the total harmonic quantity of the electric car charger's convertor. For now, the charging converter must meet the IEEE519-1992 standard or the similar standards. To meet these standards, the charging converter can use the single stage or two stage PFC circuit and the integrated charger. To further improve the conversion efficiency, we can use the soft-switching circuit in the high frequency condition to reduce the power consumption of the switch tube.



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