Complementary Couple-Turns: An Effective Method for Reducing Common-Mode Noise in Full-Bridge <i>LLC</i> Resonant Converter With Split Primary Winding Transformer

He, Binghui; Chen, Yang; Yu, Xiang; Dobakhshari, Sina Salehi; Liu, Yan-Fei; Sen, Paresh C.

doi:10.1109/jestpe.2024.3386654

IEEE J. Emerg. Sel. Topics Power Electron.

2024

DOI: 10.1109/jestpe.2024.3386654

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Complementary Couple-Turns: An Effective Method for Reducing Common-Mode Noise in Full-Bridge LLC Resonant Converter With Split Primary Winding Transformer

Binghui He,

Yang Chen,

Xiang Yu

et al.

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An Enhanced Six-Turn Multilayer Planar Inductor Interleaved Winding Design for LLC Resonant Converters with Low Current Ringing

Liu,

Zhang

2024

Electronics

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Planar magnetic components have been widely used in high-density power converters and are suitable for various topologies. The application of planar inductors in LLC resonant converters can lead to parasitic capacitance, which causes current ringing and results in EMI issues. To mitigate the impact of current ringing, the parasitic capacitance of the planar inductor needs to be reduced. This paper proposes a new six-turn interleaved winding design. Compared to the previous four-turn interleaved winding design, it maintains low parasitic capacitance while positioning both the input and output terminals of the inductor on the outer turn, further enhancing the integration of high-density power converters. The parasitic capacitance was calculated using theoretical methods and verified through finite element simulations. Experimental validation was conducted using an LLC resonant converter test platform. Compared to the previous four-turn interleaved winding design, the new six-turn interleaved winding design satisfies both the input and output terminals, using an outer turn configuration. Additionally, the new design exhibits reduced parasitic capacitance and is suitable for use in LLC resonant converters, where it also minimizes current ringing.

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An Enhanced Six-Turn Multilayer Planar Inductor Interleaved Winding Design for LLC Resonant Converters with Low Current Ringing

Liu,

Zhang

2024

Electronics

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Complementary Couple-Turns: An Effective Method for Reducing Common-Mode Noise in Full-Bridge LLC Resonant Converter With Split Primary Winding Transformer

Cited by 1 publication

References 36 publications

An Enhanced Six-Turn Multilayer Planar Inductor Interleaved Winding Design for LLC Resonant Converters with Low Current Ringing

An Enhanced Six-Turn Multilayer Planar Inductor Interleaved Winding Design for LLC Resonant Converters with Low Current Ringing

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