Sagging of power lines under concentrated load

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Supervisor:
Dr. Németh Bálint
Department of Electric Power Engineering

The topic of my thesis is building a model, which is able to handle the concentrated load on a transmission line. The role of the model is to calculate the changes of sagging and the changes of the tensile stress of a wire caused by concentrated load.

In the first part of my thesis I summarize the basic mechanical relationships of the wire and introduce the different internal and external impacts affecting the wire (e.g. wind-load, change of temperature). Furthermore I introduce in detail the steady state and the concentrated load.

I create the model in the second section of my thesis. Firstly I build the algorithm step by step, then I submit the program using this algorithm. After these I summary the tests of the model and show how similar the model results and the reality is.

In the last part of my work I write about the current and the future field of usage of the model.

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