Building Power System Models for Stability and Control Design Analysis using Modelica and the OpenIPSL

Ensuring the stability of complex power system models is a critical challenge in the field of electrical power engineering, and the tuning of Power System Stabilizers (PSS) plays a pivotal role in this endeavor. Modelica, an open-access modeling language, emerges as a powerful tool for this purpose due to its distinctive features that facilitate efficient power system modeling. This paper explores the capabilities of Modelica using the OpenIPSL library to create models to analyze control system designs developed for a multi-machine power system model. It particularly focuses on using the features of Modelica for the linearization, control-oriented analysis, and time-simulation of the model. The results demonstrate the effectiveness of using Modelica for control system design analysis and performing linear model-based analysis. This work aims to show how Modelica can be used to perform these tasks on a single platform efficiently, thereby streamlining the process of power system design and analysis.