2019
DOI: 10.1142/s0218126619500634
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Small-Signal Modeling of the LLC Half-Bridge Resonant Converter

Abstract: This paper proposes a small-signal modeling method for building an LLC half-bridge resonant converter. In recent years, the LLC half-bridge resonant converter has attracted the attention of many researchers because of its high-power conversion efficiency and high-power density. Generally, the LLC half-bridge resonant converter consists of many passive components, including stray and parasitic elements, resulting in a high-order system. Because the fundamental harmonic approximation (FHA) method for an LLC reso… Show more

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Cited by 6 publications
(1 citation statement)
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“…With the help of the resonant tank, the primary side active switches and secondary side diodes can operate at zero‐voltage switching (ZVS) and zero‐current switching (ZCS), respectively. However those single‐stage converters employed a bridge rectifier, in which the diodes generate a higher loss [12]. To overcome the rectifier circuit diodes loss problem, a single‐stage LED driver topology based on a totem‐pole bridgeless boost PFC unit and a half‐bridge LLC resonant converter has been investigated.…”
Section: Introductionmentioning
confidence: 99%
“…With the help of the resonant tank, the primary side active switches and secondary side diodes can operate at zero‐voltage switching (ZVS) and zero‐current switching (ZCS), respectively. However those single‐stage converters employed a bridge rectifier, in which the diodes generate a higher loss [12]. To overcome the rectifier circuit diodes loss problem, a single‐stage LED driver topology based on a totem‐pole bridgeless boost PFC unit and a half‐bridge LLC resonant converter has been investigated.…”
Section: Introductionmentioning
confidence: 99%