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Electric supply system design for the road facility

Zhuikov, Dmitrii (2020)

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Thesis full text with appendices (20.18Mb)
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Diplomityö

Zhuikov, Dmitrii
2020

School of Energy Systems, Sähkötekniikka

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Julkaisun pysyvä osoite on
http://urn.fi/URN:NBN:fi-fe2020052038464

Tiivistelmä

In this thesis the key aspects of the electrical system design for linear-type project are described. The aim of the thesis is developing the technical solutions from the end users on low voltage side to the power supply center on medium voltage.

Firstly, questions regarding the electrical lighting were discussed. In result of modeling main components and the layout of the road lighting were selected. Having selected the spacing between poles, it was proposed to select the scheme of electrical supply on the low voltage side and location of the substations was determined. As the result of determining reasonable voltage classes from the technical point of view it was concluded that it is necessary to carry out the economic calculation to determine the most appropriate medium voltage level: 10 kV or 20 kV. Since for the economic calculations it is required to select the equipment for both variants, the technical solutions for the MV/LV substations were carried out for both voltage classes. After the main equipment of the substations was selected, the economic comparison showed that medium voltage network should operate on the 20 kV voltage.

Finally, wind power plant was designed. As a result of modelling the wind conditions, wind turbines were selected and sited to the places with the highest annual energy production. Once the layout of the wind park was developed, electrical part of the wind power plant was designed and arrangements for the power center substations were proposed.
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