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Modeling of multiport DC busses in power-electronic systems
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A4 Artikkeli konferenssijulkaisussa
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en
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6
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The IEEE International Conference on Industrial Technology (ICIT 2013), pp. 740-745
Abstract
This paper deals with dynamic modeling of multi-port DC busses, which are increasingly applied in various DC-power distribution systems, such as hybrid powertrains and DC microgrids. Parasitic impedances of long DC cabling together with distributed DC capacitors introduce a potential risk of small-signal instabilities in the DC bus, if resonance frequencies of the bus appear below (or around) switching frequencies of power-electronic converters. In order to predict the resonance behavior of the bus, a systematic approach for dynamic modeling of the DC bus in power-electronic systems is presented. The DC-bus model is validated by means of experiments. Furthermore, application of the model in small-signal analysis and time-domain simulations is illustrated.
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Liukkonen, M, Hinkkanen, M, Kyyrä, J & Ovaska, S J 2013, Modeling of multiport DC busses in power-electronic systems. in The IEEE International Conference on Industrial Technology (ICIT 2013). IEEE, Cape Town, South Africa, pp. 740-745, IEEE International Conference on Industrial Technology, Cape Town, South Africa, 25/02/2013. https://doi.org/10.1109/ICIT.2013.6505764