Universal line voltage single-stage AC/DC converter
Garcia, O.; Fernandez, C.; Cobos, J.A.; Uceda, J.
Applied Power Electronics Conference and Exposition, 2002. APEC 2002. Seventeenth Annual IEEE
Volume 1, Issue , 2002 Page(s):237 - 241 vol.1
Digital Object Identifier   10.1109/APEC.2002.989253
Summary:Single-stage AC/DC power converters are an advisable solution to meet the regulations for low frequency harmonics (such as EN61000-3-2) at lower cost compared with the two-stage approach. The main challenge is the use of this type of converter in universal line voltage applications. In this paper, a single-stage AC/DC power converter capable of operating with a universal input voltage range is proposed. The main difference with other proposals is that the storage capacitor of this converter holds a voltage equal to the line voltage and it does not penalize the voltage stress on the circuit. An experimental prototype confirms this result

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