Abstract
In the course of the development of fuel cell electric vehicles, “high voltage” DC/DC converters—known from power split hybrid electric vehicles—are going to be a new component for European automotive engineering. These converters couple high voltage nets with different voltages of more than 60 V. The power throughput ranges from several 10 of kW to over 100 kW. The corresponding converters are usually designed as galvanic coupled boost and buck/boost converters. Signal-based hardware-in-the-loop (HiL) tests are an efficient solution for the functional development and software test. This work shows how to implement such a signal-based HiL real-time test bench with an analog simulation of the power unit. For this purpose, it is shown how the power section of the real DC/DC converter can be scaled so that an equivalent signal behavior with currents in the milliampere range and voltages up to 5 V are achieved. Thus, it is demonstrated that transient effects, such as load dumps or short circuits, can be simulated.
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Schulz, S., Gerth, H. (2016). Real-Time Hardware-in-the-Loop Simulation of Multiphase DC/DC Converters. In: Gühmann, C., Riese, J., von Rüden, K. (eds) Simulation and Testing for Vehicle Technology. Springer, Cham. https://doi.org/10.1007/978-3-319-32345-9_1
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DOI: https://doi.org/10.1007/978-3-319-32345-9_1
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Online ISBN: 978-3-319-32345-9
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