Abstract:System-level electromagnetic transient (EMT) simulation of large-scale power converters with high-order nonlinear semiconductor switch models remains a challenge albeit it is essential for design preview. In this work, a multi-layer hierarchical modeling methodology is proposed for high-performance computing of the modular multilevel converter involving devicelevel IGBT/diode models. The computational burden induced by converter scale and model complexity is dramatically alleviated following the proposal of to… Show more
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