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Bachelor's Thesis
Author of thesis: Miroslav Podolínský
Acad. year: 2025/2026
Supervisor: Ing. Michal Ptáček, Ph.D.
Reviewer: Ing. Viktor Jurák
This thesis deals with the reconstruction of 22 kV medium voltage overhead line including an analysis of mechanical influences and loading conditions according to current standards. The thesis covers primary motivation for the reconstruction, an introduction to the project assignment and a description of used components of overhead lines (such as insulators, utility poles and conductors) and the effect of external influence on the overhead lines in theoretical section. In the practical part, the thesis covers manual design of supports and mains, the calculations of conductor tensions (including wind and ice loading) and the calculation of conductor sag using an asymmetric catenary curve. The project additionally includes the design of a fiber optic cable placed beneath the overhead line crossarms. The verification of the design is performed in the SpiderEN software tool. During the verification, the primary focus is on ultimate loads, minimum distances of conductors and evaluating the design of the support structures. The design also includes mounting tables, which can contribute to increasing safety and simplifying the implementation phase of the medium-voltage overhead line reconstruction.
22 kV overhead line; medium voltage; mechanical load of overhead line; reconstruction of overhead line; utility pole; ADSS; SpiderEN
Date of defence
18.06.2026
Result of the defence
Defended (thesis was successfully defended)
Grading
A
Process of defence
Student prezentoval výsledky své závěrečné práce. Dr. Ptáček představil komisi posudek vedoucího a požádal studenta o zodpovězení otázek. Student odpověděl správně. Oponent Ing. Jurák seznámil komisi s posudkem a požádal studenta o zodpovězení otázek a doplňujících dotazů. Student odpověděl správně. Rozpravu otevřela doc. Orságová s dotazem na minimální výšku a nesouměrné závěsy, student odpověděl s pomocí tazatele.
Language of thesis
Czech
Faculty
Fakulta elektrotechniky a komunikačních technologií
Department
Department of Electrical Power Engineering
Study programme
Power Electrical and Electronic Engineering (BPC-SEE)
Composition of Committee
doc. Ing. Jaroslava Orságová, Ph.D. (předseda) Ing. Michal Krbal, Ph.D. (člen) doc. Ing. Ilona Lázničková, Ph.D. (člen) Ing. Jan Škoda, Ph.D. (člen) Ing. Pavel Valíček, Ph.D. (člen) Ing. Michal Ptáček, Ph.D. (místopředseda)
Supervisor’s reportIng. Michal Ptáček, Ph.D.
Grade proposed by supervisor: A
Reviewer’s reportIng. Viktor Jurák
Grade proposed by reviewer: B
Responsibility: Mgr. et Mgr. Hana Odstrčilová