National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Renewable energy sources in overequatorial Africa and their utilization
Ježová, Jana ; Cihelková, Eva (advisor) ; Sejkora, Jiří (referee)
The aim of this thesis is to prove by detailed analysis that renewable energy sources are the way forward to achieve self-suficiency and economic growth in Africa. The first chapter describes the renewable sources of energy and the conditions that influence their production. The second chapter focuses on the current situation and a prognosis of future development of the use of renewable sources of energy in Northern Africa. Further along the thesis examines the option to produce energy from renewable sources through cooperation with developed countries. The obtained information is applied to the case study of DESERTEC, which is the focus of chapter three.
Application of modified Steiner tree problem on the electricity distribution network in the Desertec project
Vyoral, Martin ; Fábry, Jan (advisor) ; Jablonský, Josef (referee)
The aim of the thesis was minimize the planned cost of construction of the electricity network in North Africa and the Arabian peninsula between solar power plant in Desertec project. The work is divided into three chapters. The first chapter is devoted Desertec concept, its key technologies, benefits and barriers. Another chapter is devoted to the theory of graphs. It consists of an introduction to graph theory, minimum spanning tree and Steiner tree. The third practical chapter is devoted to reduction of the initial projected cost of constructing Electric Supply network using Steiner tree and its modifications. It also addresses the issue of valuation of edges and nodes to which it is necessary to include a number of factors such as energy capacity to be transmitted, the type of transmission medium, environmental conditions, geomorphological aspects and other safety regulatory requirements.

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