DOI:https://doi.org/10.1007/s40565-019-0531-8 |
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Large-signal modeling of three-phase dual active bridge converters for electromagnetic transient analysis in DC grids |
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Net amount: 586 |
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Author:
Maxime BERGER1,2, Ilhan KOCAR1 , Handy FORTIN-BLANCHETTE3, Carl LAVERTU2
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Author Affiliation:
1 Polytechnique Montreal, Montreal, Canada 2 Bombardier Transportation, St-Bruno-de-Montarville, Canada 3 Ecole de Technologie Superieure, Montreal, Canada
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Foundation: |
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Abstract: |
The three-phase dual active bridge (3p-DAB) converter is widely considered in next-generation DC grid applications. As for traditional AC grids, the successful integration of power electronic converters in DC grids requires accurate time-domain system-level studies. As demonstrated in the existing literature, the development and efficient implementation of large-signal models of 3p-DAB converters are not trivial. In this paper, a generalized average model is developed, which enables system-level simulation of DC grids with 3p-DAB converters in electromagnetic transient type (EMT-type) programs. The proposed model is rigorously compared with alternative modeling techniques: ideal-model, switching-function and state-space averaging. It is concluded that the generalized average model provides an optimal solution when accuracy of transient response, reduction in computation time, and wideband response factors are considered. |
Keywords: |
Three-phase dual active bridge (3p-DAB), Generalized averaging, Large-signal analysis, Electromagnetic transient, DC–DC conversion |
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Online Time:2019/11/27 |
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