2001 | OriginalPaper | Buchkapitel
Pulse-Width Modulated Rectifiers
verfasst von : Robert W. Erickson, Dragan Maksimović
Erschienen in: Fundamentals of Power Electronics
Verlag: Springer US
Enthalten in: Professional Book Archive
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To obtain low ac line current THD, the passive techniques described in the previous chapter rely on low-frequency transformers and/or reactive elements. The large size and weight of these elements are objectionable in many applications. This chapter covers active techniques that employ converters having switching frequencies much greater than the ac line frequency. The reactive elements and transformers of these converters are small, because their sizes depend on the converter switching frequency rather than the ac line frequency.