Bidirectional Series Resonant DC-DC Converter Performance Improvement

Lichev, Angel; Vuchev, Aleksandar Stoyanov

doi:10.1109/electronica50406.2020.9305126

2020 XI National Conference With International Participation (ELECTRONICA) 2020

DOI: 10.1109/electronica50406.2020.9305126

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Bidirectional Series Resonant DC-DC Converter Performance Improvement

Angel Lichev

Aleksandar Stoyanov Vuchev

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2022

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Photovoltaic Energy Storage System Based on Bidirectional LLC Resonant Converter Control Technology

Xie

Wang²,

Zhang

et al. 2022

Energies

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Bidirectional DC/DC converters are widely adopted in new energy power generation systems. Because of the low conversion efficiency and non-isolation for conventional, bidirectional DC/DC converters in the photovoltaic energy storage complementary system, this paper proposes a bidirectional isolation LLC converter topology, with compensating inductance for the energy storage system; it has excellent characteristics, such as wide input voltage range and soft switching in full-load range. First, an AC equivalent model based on the fundamental wave equivalent method is established to derive the voltage gain. Meanwhile, a small signal model is also built to design a reasonably closed-looped controller. Finally, the improved bidirectional LLC resonant converter is applied to the photovoltaic energy storage complementary system. The correctness and feasibility for the bidirectional LLC converter topology under the proposed charging and discharging control strategy of the DC bus are verified by simulation and experimental results.

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Photovoltaic Energy Storage System Based on Bidirectional LLC Resonant Converter Control Technology

Xie

Wang²,

Zhang

et al. 2022

Energies

View full text Add to dashboard Cite

show abstract

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Bidirectional Series Resonant DC-DC Converter Performance Improvement

Cited by 1 publication

References 3 publications

Photovoltaic Energy Storage System Based on Bidirectional LLC Resonant Converter Control Technology

Photovoltaic Energy Storage System Based on Bidirectional LLC Resonant Converter Control Technology

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