The modelling of the power system must meet the requirements dictated by the intended use. Accessibility and simplicity were the reasons for using the Simulink simulation environment. The thesis presents the development of the Slovenian electricity transmission network model. In addition to the modelling of the network elements, we also dealt with the implementation of a measurement system, which is used to display the power flows on the lines and the voltage values at the substations. The model was used to run simulations in normal operating state. We simulated active and reactive power flows and also voltage and angle changes. The results of the simulations show the functioning of the turbine and voltage governor. The diagrams show the balance between active power and angle and the balance between reactive power and voltage. Finally, we suggest improvements to the model, such as reducing the simulation time or adding or modifying elements. We also suggest the possibility of using the model for a dynamic analysis of the Slovenian power system.
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