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Warming of the disconnector, type KBE, 38 kV, 4000 A
Švábek, Ondřej ; Šimek, David (referee) ; Bušov, Bohuslav (advisor)
The bachelor's thesis is focused on the theory and calculation of the thermal effects of electric current and temperature-rise test of the disconnector KBE 38 kV, 4000 A. Another important part of this thesis is familiarisation with the electrical devices of the company IVEP, a.s. and studying norms related to disconnectors. The procedure for the calculation of warming of a particular disconnector is described within the thesis. The last part of the thesis evaluates the results of calculation and measurement.
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Warming disconnector with earthing switch, type QAKZ, 17 kV, 8000 A
Matoušek, Jiří ; Šimek, David (referee) ; Bušov, Bohuslav (advisor)
This Bachelor’s thesis deals with issues related to heating in context of electrical apparatus. This bachelor’s thesis describes products manufactured by IVEP a.s. Especially indoor disconnectors are described in greater detail. Term that are relevant in context of temperature rise test are also describes in this thesis. These terms are taken from Czech technical standards. Mathematical model of temperature rise test is solved in this thesis. Results of mathematical model are then compared to experimental measurement of disconnector warming.
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Calculation and measurement of disconnecter temperature
Šimek, David ; Dohnal, Petr (referee) ; Bušov, Bohuslav (advisor)
Bachelor‘s thesis is focused on the theoretical analysis of heating of electrical wires, electrical contacts and current necking in electrical apparatus. This bachelor’s thesis contains complete practical calculation of disconnector. The main part of work is experimental measurement of disconnector warming. The thesis points on possible causes of deviations between calculated and measured values.
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Calculation and measurement of disconnecter temperature
Šimek, David ; Dohnal, Petr (referee) ; Bušov, Bohuslav (advisor)
Bachelor‘s thesis is focused on the theoretical analysis of heating of electrical wires, electrical contacts and current necking in electrical apparatus. This bachelor’s thesis contains complete practical calculation of disconnector. The main part of work is experimental measurement of disconnector warming. The thesis points on possible causes of deviations between calculated and measured values.
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