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首页> 外文期刊>International journal of electrical power and energy systems >Modeling of multi-physics transients in PEM fuel cells using equivalent circuits for consistent representation of electric, pneumatic, and thermal quantities
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Modeling of multi-physics transients in PEM fuel cells using equivalent circuits for consistent representation of electric, pneumatic, and thermal quantities

机译：使用等效电路的PEM燃料电池中多物理瞬变的建模，用于电动，气动和热量的一致表示

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摘要

Digital simulators of electric networks have been indispensable tools for engineers and researchers engaged in the analysis and design of electric power and energy systems. With the increasing interest to extend electric energy toward multi-energy systems covering multiple energy carriers, there arises a need to also extend the capabilities of today's simulators. Such an extension is proposed here in the form of a Proton Exchange Membrane Fuel Cell (PEMFC) model that covers the multi-physics transients involved in the flows of the electric current, hydrogen and other gases, and the enthalpy. The modeling makes use of given analogies to allow for a uniform representation of electric, pneumatic, and thermal transients based on electric circuit equivalents. It is shown how these models representing different transients are coupled as part of a PEM fuel cell system. Validation and application are carried out to verify the value of the modeling. The investigations are performed with an electric network simulator of type EMTP (Electromagnetic Transients Program) and so substantiate the possibility of using the latter for studying multi-energy systems.
机译：电网的数字模拟器对于从事电力和能源系统的分析和设计的工程师和研究人员对工程师和研究人员来说是不可或缺的工具。随着将电能的越来越令人利益向覆盖多能量载波的多能量系统延伸，可能需要延长当今模拟器的能力。这里提出了这种延伸，以质子交换膜燃料电池（PEMFC）模型的形式，其覆盖了电流，氢气和其他气体流动的多物理瞬变，以及焓。该建模利用给定的类似物来允许基于电路等效物均匀地表示电动，气动和热瞬变。示出了这些模型如何作为PEM燃料电池系统的一部分耦合。执行验证和应用程序以验证建模的值。通过EMTP类型（电磁瞬变程序）的电网模拟器进行调查，因此证实了使用后者用于研究多能量系统的可能性。

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