Multiport, Bidirectional Contactless Connector for the Interface of Modular Portable Battery System

Ishigaki, Masanori; Ishikawa, Keisuke; Kusakabe, Makoto; Tahara, Kosuke

doi:10.1109/tpel.2020.3009947

Cited by 5 publications

(1 citation statement)

References 39 publications

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“…Hybrid energy systems (HES) are used in EVs, where the energy storage is a necessary unit. In such systems, the bidirectional power flow should be guaranteed [5,6]. For this work, researchers proposed bidirectional DC-DC converters.…”

Section: Introductionmentioning

confidence: 99%

A switching capacitor based multi‐port bidirectional DC–DC converter

Shayeghi

Pourjafar

Hashemzadeh

2021

IET Power Electronics

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This paper introduces a novel bidirectional multi-port DC-DC converter recommended for electric vehicle applications. The proposed structure has three ports with bidirectional features which can be operated in both step-up and step-down modes. This converter can supply the load from two independent voltage sources and can obtain a high voltage conversion ratio in both step-up and step-down operations. The low voltage stress throughout the power switches, high efficiency, and low components count are the characteristics of the proposed topology. For demonstrating the proposed structure's performance, the principle of operation modes, steady-state analysis, and comparison results with other similar works are provided. Finally, an experimental prototype is built with a 120 W power level at 50 kHz operating, which validates the suggested converter's effectiveness and bidirectional trait. The suggested converter's efficiency in boost and buck mode is obtained about 94.2% and 94.37%, respectively that makes this converter to be used in renewable energy systems and electric vehicles with hybrid energy sources.

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Section: Introductionmentioning

confidence: 99%

A switching capacitor based multi‐port bidirectional DC–DC converter

Shayeghi

Pourjafar

Hashemzadeh

2021

IET Power Electronics

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Design of a high voltage gain converter using coupled inductor with reduced voltage stress for photovoltaic energy based systems

Hashemzadeh,

Hosseini

2024

Sci Rep

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This paper presents the design and analysis of a high voltage gain converter utilizing a coupled inductor with reduced voltage stress, specifically for photovoltaic energy-based systems. The proposed converter employs a two-winding coupled inductor and voltage multiplier cells to achieve an increase in output voltage while mitigating voltage stress across semiconductor components. Additionally, the voltage multiplier cells function as voltage clamps for the power switch, further enhancing the converter's performance. The converter features a single switch design, which simplifies control, reduces cost, and improves reliability. Key advantages of the converter include a low component count, a common ground between input and output ports, and high efficiency. The converter's performance is thoroughly investigated through mode analysis and steady-state analysis. Comparative evaluations with similar converters are conducted to highlight the benefits and performance of the proposed design. To validate the theoretical analysis, a 125 W prototype with 26 V input and 200 V output voltages operating at a 50 kHz switching frequency is developed, and experimental results are presented, demonstrating the effectiveness and practicality of the proposed high voltage gain converter.

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Evaluation of Current-Mode Controller for Active Battery Cells Balancing With Peak Efficiency Operation

Al-Smadi

Qahouq

2023

IEEE Trans. Power Electron.

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Multiport, Bidirectional Contactless Connector for the Interface of Modular Portable Battery System

Cited by 5 publications

References 39 publications

A switching capacitor based multi‐port bidirectional DC–DC converter

A switching capacitor based multi‐port bidirectional DC–DC converter

Design of a high voltage gain converter using coupled inductor with reduced voltage stress for photovoltaic energy based systems

Evaluation of Current-Mode Controller for Active Battery Cells Balancing With Peak Efficiency Operation

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