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A Class-E-Based Resonant AC-DC Converter With Inherent PFC Capability

Permanent lenke
https://hdl.handle.net/10037/21938
DOI
https://doi.org/10.1109/ACCESS.2021.3067800
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article.pdf (2.295Mb)
Publisert versjon (PDF)
Dato
2021-03-22
Type
Journal article
Tidsskriftartikkel
Peer reviewed

Forfatter
Al-Sallami, Hussein; M. Ammar, Ahmed; Nour, Yasser; A. E. Andersen, Michael
Sammendrag
This paper investigates the use of the class-E inverter for power factor correction (PFC) applications. Analytical and state-space models are derived showing the class-E inverter’s capability of achieving inherent PFC operation with a constant duty cycle. The inherent PFC operation limits the controller responsibility to the regulation of the output voltage, which is key for resonant converters with challenging control. A converter incorporating a diode bridge, a class-E inverter, and a class-D rectifier is presented for the PFC stage in single-phase offline converters. A prototype is designed to validate the analysis and presented design method. The prototype operates with zero-voltage switching (ZVS) across the load range and achieves up to 211 W of output power at an efficiency of 88%, with an inherent power factor of 0.99 and a total harmonic distortion (THD) of 8.8 %. Frequency modulation is used to achieve lower output power down to 25 W, with a power factor of 0.95, THD of 28 %, and an efficiency of 88 %.
Forlag
IEEE
Sitering
Al-Sallami, M. Ammar, Nour, A. E. Andersen. A Class-E-Based Resonant AC-DC Converter With Inherent PFC Capability . IEEE Access. 2021;9
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  • Artikler, rapporter og annet (elektroteknologi) [127]
Copyright 2021 The Author(s)

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