The role of the distribution electrical power networks has been changing a lot in recent years: from a passive system for the distribution of electrical energy, that transmits electricity from the production centers to consumers, the network is transforming into an active system for the exchange of electrical energy, which includes both consumers and redistributed energy sources. Network elements have an influence on the operating state of the electro-energy system: they impact on power flows, load lines, and voltage conditions.
A growing share of redistributed energy sources requires a greater role of the active networks, for which a detailed analysis of the functioning of the distribution network is required. The thesis presents two comparisons: a comparison of real data of a low-voltage distribution network section to the results of a network model simulation and a comparison of the results of the network model simulation to the results of the simulation with redistributed energy sources included the network model.
The simulation results show how redistributed energy sources affect the power flows and the voltage profile in a given section of the passive network. With the increasing share of redistributed electricity production the power flows and voltage increases as well.