Voltage control of low voltage networks, taking into consideration consumers, electric vehichle chargers and domestic generation

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Supervisor:
Dr. Hartmann Bálint
Department of Electric Power Engineering

Nowadays, due to rising oil prices, finding environmentally friendly ways of transportation and producing electricity becomes more and more urgent. Electric cars and distributed generation are expected to become widespread in the next few years, providing a promising alternative.

The thesis aims to describe the different types of electric cars and home power plants, technologies, and some economical and juridical aspects. Current load profiles are no longer affirmable in the future, and generation is not centralized anymore.

Apart from the obvious reasons of the environtmentally friendly solutions, their impacts on the network has to be taken into consideration as well, because distributed generation, and the charging of electric vehicles can cause e.g. overload of the elements of the grid, or power quality issues.

The distribution network of the future has to manage the quick changes in production or consumption of electricity, for example by regulation of charging. After a brief description of the opportunities of smart grids, a model network is constructed to analyze the effects of e-mobility and distributed generation, and some possibilities are given in order to solve the occurent problems.

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