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Insulation and dielectric properties of water
Grill, Jiří ; Frk, Martin (referee) ; Špinka, Jiří (advisor)
This master´s thesis deals about insulation and dielectric properties of water. It describes the structure of water, covalent and hydrogen bonds. It outlines primary chemical and physical properties of water and then it describes parameters of water - dynamic viscosity, conductivity, surface tension, pH and also describes dielectric properties - dielectric loss, loss factor, permittivity, polarization. Part of the work is practical section, which includes measurements of deionized water, destilled water, tap water and shows primary dependence such as dependence loss factor on frequency or relative permittivity on frequency.
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Study of electrical stress of slot insulations
Jabůrek, Ladislav ; Rozsívalová, Zdenka (referee) ; Frk, Martin (advisor)
This bachelor works deals with electrical effort problems of dielectric materials. The general aim is study of impact alternating electric field of great effort on slot insulation Nomex-Kapton-Nomex. Measurement of loss is realised by dielectric relaxation spectroscopy in frequency domain method. The another aim is apprise of electrical aeging, its causes and incidence on materials. Works deals below dielectric relaxation spectroscopy in time domain and frequency domain, fundamental effect in dielectric and measurement values coherent with electrical aeging.
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Study of electrical stress of slot insulations
Jabůrek, Ladislav ; Rozsívalová, Zdenka (referee) ; Frk, Martin (advisor)
This bachelor works deals with electrical effort problems of dielectric materials. The general aim is study of impact alternating electric field of great effort on slot insulation Nomex-Kapton-Nomex. Measurement of loss is realised by dielectric relaxation spectroscopy in frequency domain method. The another aim is apprise of electrical aeging, its causes and incidence on materials. Works deals below dielectric relaxation spectroscopy in time domain and frequency domain, fundamental effect in dielectric and measurement values coherent with electrical aeging.
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Insulation and dielectric properties of water
Grill, Jiří ; Frk, Martin (referee) ; Špinka, Jiří (advisor)
This master´s thesis deals about insulation and dielectric properties of water. It describes the structure of water, covalent and hydrogen bonds. It outlines primary chemical and physical properties of water and then it describes parameters of water - dynamic viscosity, conductivity, surface tension, pH and also describes dielectric properties - dielectric loss, loss factor, permittivity, polarization. Part of the work is practical section, which includes measurements of deionized water, destilled water, tap water and shows primary dependence such as dependence loss factor on frequency or relative permittivity on frequency.
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