Abstract

This paper introduce a new isolated bridgeless AC to DC converter with power factor correction capability. This power factor correction (PFC) circuit is capable to perform the AC to DC conversion without the diode bridge rectifier and able to obtain low output voltage which is more suitable to most applications. The detail small signal and steady state analysis of the converter operated in discontinuous conduction mode (DCM) are presented using the current injected equivalent circuit approach (CIECA). The dynamic and steady state response at the input current and output voltage are included to verify the converter capability as a PFC circuit.

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