Critical Short Circuit Ratio of an EV Charging System
Lu Wang (TU Delft - DC systems, Energy conversion & Storage)
Zian Qin (TU Delft - DC systems, Energy conversion & Storage)
Junjie Xiao (TU Delft - DC systems, Energy conversion & Storage)
P Bauera (TU Delft - DC systems, Energy conversion & Storage)
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Abstract
The critical short circuit ratio (CSCR), as an important metric for grid stability evaluation, is not clearly defined in the literature. Aimed at clarifying the misunderstandings, the paper compares the different CSCR definitions. Moreover, CSCR reduction-oriented design is studied for electric vehicle chargers. Simulations verify the analysis.