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Erschienen in:
2024 | OriginalPaper | Buchkapitel
Battery Module Simulation Based on Model Exchange FMU Cell Models and Its Application in Multi-physical System Simulation Software
verfasst von : Michael Kolmbauer, Günter Offner, Ralf Uwe Pfau, Bernhard Pöchtrager
Erschienen in: Scientific Computing in Electrical Engineering
Verlag: Springer Nature Switzerland
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Abstract
Over the past years, the importance of battery development has increased significantly and will increase further. Consequently, the requirements for the system simulation of electric networks are rising. In modern simulation applications, the battery setup and battery modules can be simulated with different levels of complexity and can be coupled with detailed powertrain and cooling, yielding a multi-physcial problem. For some detailed investigations, e.g. about the thermal behavior, it is needed that in the electrical subsystem one can model and simulate detailed cells. The physical models of the cells can be given via grey-box models such as FMUs (functional mock-up units) (https://fmi-standard.org/). Simulating then combined battery cells increases the complexity of the model. In this case, care must be taken to ensure that the simulation delivers stable results and that the computing time is kept as short as possible. Here we use a hierarchical approach to solve the resulting equations for the electrical system.