Proceedings ArticleDOI
Limitations of the Flyback Power Factor Corrector as a One-Stage Power Supply
Diego G. Lamar,A. Fernandez,Manuel Arias,Manuel Rodríguez,Javier Sebastian,Marta M. Hernando +5 more
- pp 1343-1348
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TLDR
In this article, the application limits of the flyback PFC as a complete power supply were analyzed for PFC topologies depending on power level, input voltage range, output voltage, output response and line current harmonic content.Abstract:
Low cost passive power factor correction solutions and single-stage integrated converters cannot draw a sinusoidal input current and are only suitable solutions for low power levels. Power factor correctors (PFC) with a multiplier solve this drawback, but need a second-stage DC/DC converter to obtain fast output voltage dynamics. However, the output voltage response of a PFC can be improved by increasing the bandwidth of the error amplifier of the output voltage feedback loop. So, a one-stage PFC can be used as complete power supply when an extremely fast output response is not required. Nevertheless, increasing error amplifier bandwidth compromises design, making it more difficult to comply with IEC 61000-3-2 standards. This paper analyzes the application limits of the Flyback PFC as a complete power supply. The thrust of the paper is to establish the Flyback PFC as a solution for PFC topologies depending on power level, input voltage range, output voltage, output response and line current harmonic content. Static and dynamic models have been included in this study. Finally, theoretical results are validated using a 600 W prototype.read more
Citations
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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.
A Three-Phase Unity Power Factor Single-Stage AC-DC Converter Based on an Interleaved
TL;DR: In this paper, a three-phase unity-power-factor single-stage ac-dc converter based on an interleaved flyback topology is proposed for the telecommunications industry where it supplies high-quality dc power to the telecom loads and performs high-capacity battery charging while providing zero harmonic emission and unity power factor to the utility grid.
Journal ArticleDOI
Design-Oriented Analysis and Performance Evaluation of a Low-Cost High-Brightness LED Driver Based on Flyback Power Factor Corrector
Diego G. Lamar,Manuel Arias,Alberto Rodriguez,A. Fernandez,Marta M. Hernando,Javier Sebastian +5 more
TL;DR: This paper presents a new control strategy for power factor correctors (PFCs) used to drive high-brightness light-emitting diodes (HB-LEDs) based on the use of standard peak-current-mode integrated controllers (PCMICs), reducing its cost and complexity in comparison to traditional PFC controllers.
Journal ArticleDOI
A Three-Phase Unity Power Factor Single-Stage AC–DC Converter Based on an Interleaved Flyback Topology
TL;DR: In this paper, a three-phase unity-power-factor single-stage ac-dc converter based on an interleaved flyback topology is proposed to produce the lowest cost within a small-size system.
Journal ArticleDOI
Incorporation of Harmonic Injection in an Interleaved Flyback Inverter for the Implementation of an Active Anti-Islanding Technique
TL;DR: In this article, the harmonic injection capability is incorporated into the interleaved Flyback inverter for the implementation of an active anti-islanding scheme, which bypasses the unfolding H-bridge, without affecting the active power generation of the inverter and without requiring any hardware modification.
References
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Proceedings ArticleDOI
Single-stage, single-switch, isolated power supply technique with input-current shaping and fast output-voltage regulation for universal input-voltage-range applications
Laszlo Huber,Milan M. Jovanovic +1 more
TL;DR: In this article, a single-stage, single-switch, input-current shaping (S/sup 4/ICS) technique which combines the boost-like input current shaper with a continuous-conduction-mode DC/DC output stage is described.
Proceedings ArticleDOI
Power factor correction: a survey
TL;DR: A review of the most interesting solutions for single phase applications is carried out in this article, where the major advantages and disadvantages are highlighted and the field of application is found, attending to the line current waveform, energy processing, number of switches, control loops.
Journal ArticleDOI
Input current shaper based on the series connection of a voltage source and a loss-free resistor
TL;DR: In this paper, a new input current shaper is proposed based on the connection of a voltage source and a loss-free resistor (LFR) between the input rectifier and the bulk capacitor in a conventional switching mode power supply.
Journal ArticleDOI
Dynamic limits of a power-factor preregulator
TL;DR: This work presents an analysis of the dynamic behavior of a conventional power-factor preregulator when the priority is to improve the output voltage regulation and not the total harmonic distortion or the power factor.
Journal ArticleDOI
Helpful hints to select a power-factor-correction solution for low- and medium-power single-phase power supplies
TL;DR: This work presents a review of power-factor-correction (PFC) circuits for low- and medium-power single-phase power supplies belonging to IEC 61000-3-2 Class A and Class D with an input power level below 4 kW.