Ripple-Free Bidirectional DC–DC Converter With Wide ZVS Range for Battery Charging/Discharging System

Yan, Zhixing; Li, Jie; Xu, Shimei; Yang, Ningrui; Zeng, Jun; Liu, Junfeng; Wu, Wenwang; Hu, Renjun; Qi, Haixia

doi:10.1109/tie.2022.3222659

Cited by 7 publications

(2 citation statements)

References 37 publications

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“…Some soft-switched converters are reported in several studies. 3,[9][10][11] The cost of the converter is also an important factor. So, a converter is designed with a smaller number of power switches with high gain, which can be used in power conditioning of distributed generation sources, such as fuel cells and solar arrays.…”

Section: Introductionmentioning

confidence: 99%

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A new soft‐switching high step‐up DC–DC converter with low voltage stress

Sharma,

Hasanpour,

Kumar

2024

Energy Science & Engineering

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This paper proposes a new high step‐up DC–DC converter with zero input current ripple for renewable energy sources applications, such as fuel cells. In this topology, a coupled inductor and a multiplier cell are used to achieve high voltage gains. The power switch in this proposed circuit turns on under zero voltage switching conditions. An active switch limits the maximum voltage stress across the main power switch. Moreover, all circuit diodes of the converter turn off without a reverse recovery problem. A detailed analysis of a high‐gain step‐up DC–DC converter is studied along with improved efficiency. The ripple cancellation of the input stage of the converter is done by adding an input inductor and capacitor. By including the parasitic elements, an approximate loss analysis was performed in PSIM and found the maximum efficiency of ∼96% in simulation and ∼94% in hardware for 200 W power level design for 30 V input voltage. Later on, the converter laboratory hardware prototype can be developed with selected parameters, and finally, experimental results have been used to validate the properties of the converter.

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Section: Introductionmentioning

confidence: 99%

“…The soft switching concept of MOSFET devices is used to overcome the less power‐density transmission through the converter. Some soft‐switched converters are reported in several studies 3,9‐11 . The cost of the converter is also an important factor.…”

Section: Introductionmentioning

confidence: 99%