Research on Performance of Real-Time Simulation Based on Inverter-Dominated Power Grid

This paper proposes two methods to improve the performance in real-time simulation. The increased inverter-based generations are gradually shifting operation of power grid. Consequently, investigation for safe and further application is essential inverter-dominated As simulated number non-linear switch elements like inverter increases, numerical complexity simulation model rises exponentially. Accordingly, scale grid with inverters normally constricted by taking account burdensome calculation. emerging simulator provides opportunity enable large-scale grids. Nevertheless, boundary condition still exceeded model. Hence, improvement extend limitation constituted this paper. first method proposed co-simulation. approach simulate models different deep levels. phasor electrical-mechanical-transient utilized develop co-simulation second network reduction. Based on dynamic feature inverter, it reduced an equivalent current source, which decreases retains its characteristics. evaluation demonstrated indexes: capability similarity degree.