Journal ArticleDOI
Characterization of an active clamp flyback topology for power factor correction applications
R. Watson,G.C. Hua,Fred C. Lee +2 more
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TLDR
In this paper, the authors present the analysis, design, and experimental results of 500 W single stage and 600 W interleaved active clamp flybacks used for power factor correction in power convertor topologies.Abstract:
Flyback derived power convertor topologies have long been attractive because of their relative simplicity when compared with other topologies used in low-power applications. Incorporation of active clamp circuitry provides the additional benefit of recycling transformer leakage energy while minimizing switch voltage stress. This paper presents the analysis, design, and experimental results of 500 W single stage and 600 W interleaved active clamp flybacks used for power factor correction. Several practical issues, including the application of charge control, the use of mixed power devices, and a solution to the hold-up time problem are discussed and experimentally verified.read more
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Journal ArticleDOI
Comprehensive Study of Single-Phase AC-DC Power Factor Corrected Converters With High-Frequency Isolation
TL;DR: This paper presents a comprehensive study on state of art of power factor corrected single-phase AC-DC converters configurations, control strategies, selection of components and design considerations, performance evaluation, power quality considerations, selection criteria and potential applications, latest trends, and future developments.
Proceedings ArticleDOI
Comparison of basic converter topologies for power factor correction
Huai Wei,Issa Batarseh +1 more
TL;DR: In this paper, basic types of DC-DC converter topologies are studied to investigate their self-PFC capabilities, their input characteristics are compared and their input line current waveforms are predicted.
Journal ArticleDOI
Analysis and design of a low-stress buck-boost converter in universal-input PFC applications
TL;DR: In this paper, a two-switch topology, boost-interleaved buck-boost (BoIBB) converter, was proposed for universal-input PFC applications.
Journal ArticleDOI
Flyboost power factor correction cell and a new family of single-stage AC/DC converters
TL;DR: In this paper, a novel power factor correction (PFC) cell, called flyboost, was proposed, which combines power conversion characteristics of conventional flyback and boost converters.
Journal ArticleDOI
New start-up schemes for isolated full-bridge boost converters
TL;DR: Two new start-up schemes for isolated full-bridge boost converters are proposed and their control timing is investigated, which is compatible with pulse-width modulated (PWM) control timing for normal boost mode operation.
References
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Proceedings ArticleDOI
Switched snubber for high frequency switching
Harada Kousuke,Hiroshi Sakamoto +1 more
TL;DR: In this paper, a novel snubber circuit for high-frequency PWM (pulse width modulations) DC-toDC and DCto-AC converters is presented.
Proceedings ArticleDOI
Power factor correction with flyback converter employing charge control
TL;DR: In this paper, the authors applied the charge control concept to a flyback power converter for the purpose of power factor correction (PFC), which can operate in continuous conduction mode (CCM) with unity power factor.
Patent
Topology for miniature power supply with low voltage and low ripple requirements
TL;DR: In this article, a power supply topology which minimizes inductance and capacitance requirements for filtering the ripple of single or multiple output switching mode power supplies is proposed, where a capacitor at the input of the power supply provides continuous support for the output signal produced by the power input.
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