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The double conversion circuits are widely used as motors drivers, UPS’s, Active filters, etc. As its name indicates, there are two types of conversions in this system, the AC/DC and the DC/AC conversion. In this paper the results obtained of the implementation of a double conversion system AC/DC/AC are presented. For the AC/DC conversion a topology with power factor correction (PFC) is used, which is controlled by the new technique OCC (One Cycle Control). The previously mention technique showed similar results in comparison with the traditional control technique “The Multiplier based approach”, but with the advantages of less complexity and reduction in component count. In the DC/AC conversion an inverter circuit with the modulation technique SPWM was implemented, in which we obtained a regulated output AC voltage and a low harmonic content.

Implementation of a double AC/DC/AC converter with power factor correction (pfc) for nonlinear load applications