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Title Modeling of grounding electrodes in high-resistivity soils under lightning impact: выпускная квалификационная работа магистра: направление 13.04.02 «Электроэнергетика и электротехника» ; образовательная программа 13.04.02_21 «Электроэнергетика (международная образовательная программа) / Electrical Engineering (International Educational Program)»
Creators Канходо Самуэль
Scientific adviser Магазинов Сергей Геннадьевич
Organization Санкт-Петербургский политехнический университет Петра Великого. Институт энергетики
Imprint Санкт-Петербург, 2026
Collection Выпускные квалификационные работы ; Общая коллекция
Subjects Grounding Electrodes ; lightning ; soil conductivity ; electrical potential ; resistivity ; modelling.
Document type Master graduation qualification work
Language Russian
Level of education Master
Speciality code (FGOS) 13.04.02
Speciality group (FGOS) 130000 - Электро- и теплоэнергетика
DOI 10.18720/SPBPU/3/2026/vr/vr26-6035
Rights Доступ по паролю из сети Интернет (чтение, печать, копирование)
Additionally New arrival
Record key ru\spstu\vkr\44896
Record create date 9/4/2026

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There have been ways since time immemorial to minimize or mitigate excessive hazardous voltages in the case of lightning surges or system faults due to some rise in ground potential. Grounding Electrodes plays an important part in energy systems. It contributes to energy transmission and distribution. In this case I am going to model a grounding electrode using COMSOL Multiphysics in order to compare the resistance of the soil and solve using different analytical equations to determine ways to improve the model when applied. It is important to note that as the energy system in Zimbabwe improves, there has been growing need to improve its underground protection from lightning.Because of Zimbabwe’s soil, climate and power infrastructure requirements, underground (earthing/grounding) electrodes are both technically and safety-critically important. This study will focus on grounding electrodes, the modelling using COMSOL and how to improve the underground electrodes for the safety of high voltage equipment such as transformers in relation to the types of local soils.

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