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首页> 外文期刊>Power Electronics, IEEE Transactions on >Three-Port Series-Resonant DC–DC Converter to Interface Renewable Energy Sources With Bidirectional Load and Energy Storage Ports
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Three-Port Series-Resonant DC–DC Converter to Interface Renewable Energy Sources With Bidirectional Load and Energy Storage Ports

机译：三端口串联谐振DC-DC转换器，通过双向负载和储能端口连接可再生能源

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摘要

In this paper, a three-port converter with three active full bridges, two series-resonant tanks, and a three-winding transformer is proposed. It uses a single power conversion stage with high-frequency link to control power flow between batteries, load, and a renewable source such as fuel cell. The converter has capabilities of bidirectional power flow in the battery and the load port. Use of series-resonance aids in high switching frequency operation with realizable component values when compared to existing three-port converter with only inductors. The converter has high efficiency due to soft-switching operation in all three bridges. Steady-state analysis of the converter is presented to determine the power flow equations, tank currents, and soft-switching region. Dynamic analysis is performed to design a closed-loop controller that will regulate the load-side port voltage and source-side port current. Design procedure for the three-port converter is explained and experimental results of a laboratory prototype are presented.
机译：本文提出了一种具有三个有源全桥，两个串联谐振回路和一个三绕组变压器的三端口转换器。它使用具有高频链接的单个功率转换级来控制电池，负载和可再生能源（例如燃料电池）之间的功率流。转换器具有在电池和负载端口中双向流动的能力。与仅带电感器的现有三端口转换器相比，使用串联谐振有助于在开关频率较高的情况下实现可实现的元件值。由于所有三个桥的软开关操作，该转换器具有很高的效率。提出了转换器的稳态分析，以确定功率流方程，储能电流和软开关区域。进行动态分析以设计一个闭环控制器，该控制器将调节负载侧端口电压和源侧端口电流。解释了三端口转换器的设计过程，并给出了实验室原型的实验结果。

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