The life of power transformers faces a growing threat from space charge in oil-paper
insulation. Many works explored space charge behavior in this system. This review …

Interfaces are essential components in polymer contact systems, which widely exist in
electronic devices and power equipment. Interface charge originating from the mismatch of …

The depolarization current is critical for the computation of insulation-sensitive parameters of
the transformer. Prolonged polarization–depolarization current (PDC) measurement times …

Numerous promising features of Medium Voltage DC Distribution System (MVDC-DS) make
it highly probable that it would be extensively integrated with the future AC power grid to …

Reducing the dielectric constant of insulating paper to improve the dielectric coordination
performance of the oil‐paper systems has always been the research hotspot in the …

This article reports the evaluation system of the insulating properties based on the pulsed
electro-acoustic (PEA) method and the current integration charge Q (t) method. According to …

This study aims to decrease the dielectric constant of kraft paper by 1, 2, 3, 4‐
butanetetracarboxylic acid (BTCA) esterification crosslinking. Kraft paper samples are …

The reference characteristics of complex permittivity of the transformers insulation solid
component were determined for use in the precise diagnostics of the power transformers …

Oil–paper insulation is the critical insulation element in the modern power system. Under a
harsh operating environment, oil–paper insulation will deteriorate gradually, resulting in …

In this study, the temperature–frequency dependencies of the pressboard–bio-oil–water
nanoparticle composite's fundamental parameters—phase shift angle and admittance …