Asymmetric load-flow calulation software methods

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Csatár János
Department of Electric Power Engineering

Nowadays the more widely applying of distributed generation and smart devices make our common life so much easier. But we mustn’t forget about how it affects the voltage condition of our actual low-voltage network, that satisfies all our needs.

In the first part of my thesis I reviewed the literature about the domestic low-voltage network and got knowledge of its building. Furthermore I got acquainted with most important parts of the network which have got the highest influence during the simulation.

In the second part of my thesis I acquired the knowledge about the definitions of asymmetry and the not neglectable affects correlate with the electrical machines and the low-voltage network.

In the other chapter with usage of Neplan and Digsilent PowerFactory I created three different network grid, a basic modell, a realistic modell and a reference modell after the calculations I compared the results with each other and with a reference grid to know the limits of the softwares in asymmetrical load-flow calculation field.


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