The paper presents an analysis of test results by Frequency Domain Spectroscopy (FDS) of
the loss tangent (tgδ) in electrotechnical pressboard impregnated with insulating oil and …

The paper presents results of testing permittivity of an oil-impregnated electric pressboard
containing water nanoparticles depending on AC frequency, moisture content level and the …

This article presents direct σDC and alternating σ (f) current conductivity measurements
obtained by the frequency domain spectroscopy (FDS) method on cellulose-transformer oil …

The paper presents a model of hopping conductivity at direct and alternating current,
developed on the basis of the quantum phenomenon of electron tunnelling between …

The paper presents research results of testing AC conductivity in a moist oilimpregnated
electric insulation pressboard, depending on the moisture content level and temperature of …

The paper presents results of investigations of the effect of moisture content and temperature
on DC conductivity of the impregnated pressboard. It has been found that the conductivity of …

In this study, the conductivity and permittivity of electrical pressboard—insulating liquid—
water composites were investigated, and the electrical properties of the composites and …

Influence of the humidity on dielectric properties of composites nanocrystalline cellulose–
triglycine sulfate in weak measuring field (1 V· cm− 1) was investigated from room …

The research on dielectric frequency response of oil-paper composite insulation modified by
nanoparticles has been carried out in order to seek possible way to improve insulation …

Dielectric dispersion for a composite based on nanocrystalline cellulose with triglycine
sulfate in the frequency range from 1 mHz to 1 kHz at different temperatures from room …