​Computer simulation technologies are essential tools in the analysis and design of electrical power systems, offering advanced capabilities to study system behavior and evaluate performance under various operating conditions. These technologies contribute to modeling electrical components and analyzing their response to operational changes, helping to identify potential issues and enhance overall efficiency. ​Electrical power systems have undergone rapid development driven by advancements in engineering techniques and computer software, making digital simulation a vital means of studying and analyzing these systems. Simulation software, such as MATLAB/Simulink, enables the construction of mathematical models for electrical systems and the analysis of their behavior without the need for repeated physical experimentation. ​Importance of Simulation Technologies: ​Simulation technologies are utilized in power flow analysis, power system stability studies, and the evaluation of electrical generators, transformers, and motors. Furthermore, they are used to analyze the impact of faults and load variations on electrical grid performance. They also contribute to reducing practical testing costs and refining engineering decision-making precision. ​Computer simulation technologies represent an effective tool for developing and analyzing electrical power systems by providing a scientific environment to study performance, assess efficiency, and diagnose operational problems. Utilizing these technologies supports engineering design, enhances power system reliability, and keeps pace with modern technological developments. ​Al-Mustaqbal University — The First University in Iraq.