A power-factor-corrected AC-AC inverter topology using a unified controller for high-frequency power distribution architecture
Wennan Guo
Jain, P.K.
Dept. of Electr. & Comput. Eng., Queen's Univ., Canada;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Aug. 2004
Volume: 51,
Issue: 4
On page(s): 874- 883
ISSN: 0278-0046
INSPEC Accession Number: 8110788
Digital Object Identifier: 10.1109/TIE.2004.831746
Current Version Published: 2004-08-02
Abstract
High-frequency power distribution architecture (HFPDA) has gained more and more attention from both academics and industry in recent years. It is not only applicable in space systems, but also found attractive in power system design for emerging telecommunication and computer systems. As the technology has matured, HFPDA even seems to be attractive for powering the desktop computers employing the latest generation fast microprocessors. This paper presents an ac-ac inverter for HFPDA. The inverter includes a high-frequency resonant inverter and a buck-boost converter for power-factor correction (PFC). A unified controller controls both the resonant inverter and the PFC stage. Unlike other single-stage power-factor-corrected inverter topologies, the proposed inverter system has reduced dc-bus voltage stress for the universal input line voltage. The proposed inverter is found attractive in low-power applications.
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