Modelica-based simulation of electromagnetic transients using Dynaωo: Current status and perspectives

Electromagnetic Transient Simulation of Large Power Networks with Modelica

“…The basic models, such as resistance, inductance, and advanced models, that is, various models of transmission line, loads, saturable transformers, synchronous machine (without saturation), machine controls, etc. were already presented in previous papers (Masoom et al 2020;Masoom et al 2021). This paper focuses on the synchronous machine model with saturation and the nonlinear arrester and comparison of simulation efficiency in Modelica.…”

“…As one can see, the implementation of the model is very straightforward, there is no limitation for connection of this model in series to current sources, or inductors. Solutions converge for very small time steps in the range of nanoseconds without any numerical errors (Masoom et al 2021).…”

“…DynaꞶo approach is based on hybrid coding with Modelica and C++ and demonstrates competitive performance compared to the specific domain packages (Guironnet et al 2018). This approach was used for EMT simulations in (Masoom et al 2021) as well. Even though it delivers better performance compared to the pure Modelica tools, there is still a significant gap in comparison with EMTP.…”