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Synthetic grids have emerged as the next generation of benchmark models capable of representing the appropriate size, complex topology and dynamic behavior of existing power systems. Such models use statistical methods to characterize the properties of real systems without revealing sensitive information. Previous work has presented techniques to generate synthetic grids for static and phasor-based simulations. In this paper, a methodology to develop synthetic grids for phasor and EMT real-time digital simulations is proposed. This methodology is used to create the first-of-its-kind synthetic grid with a longitudinal structure, the S-NEM2300-bus benchmark model, based on the Australian National Electricity Market. The structure of the synthetic grid and its characteristics are based on a PSS®E network model. Generation, transmission and load parameters are assigned based on statistical methods during the obfuscation process. The resulting model is stored in a relational database, enabling to modify model parameters and topology to analyze different phenomena and control system technologies. The model can be used in real-time EMT platforms and in offline mode for fast parallel simulation on cloud high-performance computers.
Arraño-Vargas et al. (Sun,) studied this question.