Optimal peak flux density model (OPFDM) for non‐iterative design of high‐frequency gapped transformer (HFGT) in LLC resonant converters
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DOI: 10.1049/iet-pel.2019.0316
Abstract: In LLC resonant converters, litz-wire high-frequency gapped transformer (HFGT) is one of the most critical components, responsible for efficient operation. However, it is also a major contributor to overall weight and volume. Therefore, designers perform… read more here.
Keywords: high frequency; frequency; llc resonant; hfgt ... See more keywords
A Three-Port LLC Resonant DC/DC Converter
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DOI: 10.1109/jestpe.2019.2902425
Abstract: This paper proposes a new three-port LLC resonant converter which integrates input port, storage port, and load port in one converter. A pulse-frequency modulation and phase-shift combined control method are adopted for the proposed topology.… read more here.
Keywords: port; converter; resonant converter; topology ... See more keywords
Digitally Implemented Charge Control for LLC Resonant Converters
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DOI: 10.1109/tie.2017.2682801
Abstract: This paper proposes a digitally implemented charge control for LLC resonant converters. By analyzing the small-signal characteristics of the resonant capacitor, it is revealed that the resonant capacitor has exactly the same functionality as a… read more here.
Keywords: charge control; control; charge; digitally implemented ... See more keywords
Synchronous Rectification of LLC Resonant Converters Using Homopolarity Cycle Modulation
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DOI: 10.1109/tie.2018.2840493
Abstract: In order to further reduce losses in LLC resonant converters, the use of synchronous rectifiers (SRs) in the output rectifier is desirable. Analysis and detection of the conduction angles of the SRs used in an… read more here.
Keywords: synchronous rectification; homopolarity cycle; llc resonant; rectification ... See more keywords
Fully-Integrated Planar Transformer With a Segmental Shunt for LLC Resonant Converters
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2021.3116574
Abstract: This article presents two topologies, which provide high leakage inductance in shunt-inserted integrated magnetic transformers. These differ from conventional designs by replacing the low-permeability magnetic shunt of a planar transformer with high-permeability magnetic shunt segments,… read more here.
Keywords: planar transformer; fully integrated; transformer; llc resonant ... See more keywords
The Analysis of Current Sharing Effect for Two-Unit Paralleled Common Capacitor LLC Resonant Converter
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DOI: 10.1109/tie.2022.3170610
Abstract: A passive current sharing method for paralleled LLC resonant converters is proposed in this article, and the current sharing effect of paralleled common capacitor LLC resonant converter is analyzed. The passive current sharing method is… read more here.
Keywords: resonant converter; sharing effect; llc resonant; current sharing ... See more keywords
Resonant Peak Suppression Approaches for Improving the Dynamic Performance of DCX-LLC Resonant Converter Based Two-Stage DC–DC Converter
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DOI: 10.1109/tie.2022.3192604
Abstract: The LLC resonant converter operated with fixed switching frequency can realize the function of dc transformer (DCX) and achieve high efficiency. To regulate the output voltage, a preregulator or postregulator is required, and thus constituting… read more here.
Keywords: llc resonant; resonant converter; resonant peak; dynamic performance ... See more keywords
Dual-Bridge LLC Resonant Converter With Fixed-Frequency PWM Control for Wide Input Applications
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DOI: 10.1109/tpel.2016.2530748
Abstract: This paper proposes a dual-bridge (DB) LLC resonant converter for wide input applications. The topology is an integration of a half-bridge (HB) LLC circuit and a full-bridge (FB) LLC circuit. The fixed-frequency pulsewidth-modulated (PWM) control… read more here.
Keywords: resonant converter; llc resonant; bridge llc; converter ... See more keywords
Dual-Loop Controller for LLC Resonant Converters Using an Average Equivalent Model
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DOI: 10.1109/tpel.2017.2786044
Abstract: LLC resonant converters have gained popularity in a wide number of industrial applications due to their high efficiency and power density. Common applications of these converters are battery chargers, electric vehicles, and high-efficiency power supplies,… read more here.
Keywords: dual loop; resonant converters; llc resonant; loop ... See more keywords
A Dual Half-Bridge LLC Resonant Converter With Magnetic Control for Battery Charger Application
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DOI: 10.1109/tpel.2019.2922991
Abstract: In this paper, a dual half-bridge LLC resonant converter with magnetic control is proposed for the battery charger application. The primary switches are shared by two LLC resonant networks, and their outputs are connected in… read more here.
Keywords: resonant converter; llc resonant; control; llc ... See more keywords
Capacitor-Clamped LLC Resonant Converter Operating in Capacitive Region for High-Power-Density EV Charger
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2021.3068693
Abstract: LLC resonant converter is one of the most commonly adopted topologies for electric vehicle (EV) battery charging. However, due to the wide variation range of battery voltages, applying conventional LLC resonant converters usually results in… read more here.
Keywords: converter; capacitor clamped; power density; power ... See more keywords