Fuel Cell power system with LLC resonant DC/DC converter

2014 IEEE International Electric Vehicle Conference (IEVC) Pub Date : 2014-12-01 DOI:10.1109/IEVC.2014.7056220

V. Boscaino, R. Miceli, C. Buccella, Carlo Cecati, H. Latafat, K. Razi

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引用次数: 4

Abstract

Fuel Cells (FC) are widely investigated for their potential use in electric transportation due of their capability to provide significant amounts of energy with low-noise and with almost zero-emission. FC-based power sources are non-linear system with low voltage and high current capabilities and with efficiency close to 50%. Several researches are in progress, aiming at increasing overall efficiency through optimised combination of components, mainly the FC and the DC/DC converter necessary for its interface with the vehicle DC bus or the recharging station. In this paper, a novel and efficient power system architecture suitable for fuel cell powered vehicles and for recharging stations is proposed. The proposed system includes a fuel cell stack and a LLC resonant DC/DC converter with step-up capability. The latter due its to soft switching operations ensures enhanced efficiency over conventional hard switching counterpart. The proposed system has been modeled in a mixed PSIM-MATLAB/Simulink environment; design criteria and procedures are discussed for further applications and simulation results are shown to validate the proposed solution.

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具有LLC谐振DC/DC变换器的燃料电池动力系统

由于燃料电池能够以低噪音和几乎零排放的方式提供大量能源，因此其在电力运输中的潜在应用受到了广泛的研究。基于fc的电源是非线性系统，具有低电压和大电流能力，效率接近50%。一些研究正在进行中，旨在通过优化组件组合来提高整体效率，主要是FC和与车辆直流总线或充电站接口所需的DC/DC转换器。本文提出了一种适用于燃料电池汽车和充电站的新型高效动力系统架构。该系统包括一个燃料电池堆和一个具有升压能力的LLC谐振DC/DC变换器。后者由于其软交换操作确保了比传统硬交换对应物更高的效率。在PSIM-MATLAB/Simulink混合环境下对系统进行了建模;讨论了进一步应用的设计准则和程序，并给出了仿真结果来验证所提出的解决方案。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2014 IEEE International Electric Vehicle Conference (IEVC)

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