Space charge behavior in epoxy‐based dielectrics: progress and perspective

P Liu, Z Xie, X Pang, T Xu, S Zhang… - Advanced Electronic …, 2022 - Wiley Online Library
Epoxy‐based dielectrics are extensively used in grid‐connected energy systems and
modern microelectronics as electrical insulation, adhesive, and packaging components …

Space charge measurement equipment for full-scale HVDC cables using electrically insulating polymeric acoustic coupler

S Zahra, S Morita, M Utagawa… - … on Dielectrics and …, 2022 - ieeexplore.ieee.org
A new, very sensitive device for space charge measurements on full-size cable is proposed.
The measurement employs the basis of the pulsed electro-acoustic (PEA) method, in which …

[HTML][HTML] Multi scale aging assessment of low-voltage cables subjected to radio-chemical aging: Towards an electrical diagnostic technique

SV Suraci, D Fabiani, S Roland, X Colin - Polymer Testing, 2021 - Elsevier
In this article, the aging behavior of nuclear-grade low voltage cables, characterized by
different geometries and insulation compositions, is investigated. Cables were subjected to …

[HTML][HTML] Effects of nanosecond impulse and step excitation in pulsed electro acoustic measurements on signals for space charge determination in high-voltage …

M Florkowski, M Kuniewski - Measurement, 2023 - Elsevier
The presence of space charges in high-voltage insulation can influence the operational
stresses of the dielectric materials; the topic is present in various, even distant domains such …

Space charge measurement and modelling in cross-linked polyethylene

Y Zhan, G Chen, M Hao, L Pu, X Zhao, S Wang, J Liu - Energies, 2020 - mdpi.com
Cross-linked polyethylene, commercially known as XLPE, is widely used as an insulating
material in high voltage cables. However, space charge accumulation under the DC field is …

The Industrial Applicability of PEA Space Charge Measurements, for Performance Optimization of HVDC Power Cables

A Imburgia, P Romano, G Chen, G Rizzo… - Energies, 2019 - mdpi.com
Cable manufacturing industries are constantly trying to improve the electrical performance of
power cables. During the years, it was found that one of the most relevant degradation …

Trends in Diagnostics and Monitoring of High-Voltage Insulation

B Biswas, BX Du, M Florkowski… - IEEE Electrical …, 2024 - ieeexplore.ieee.org
This paper is a joint contribution from members of the IEEE DEIS Technical Committee for
Diagnostics that highlights selected trends, challenges, and techniques in diagnostics and …

Concept of Pulsed Electro-Acoustic Imaging for Space Charge Detection in Dielectric Materials

M Florkowski, M Kuniewski - IEEE Transactions on Dielectrics …, 2023 - ieeexplore.ieee.org
The detection of space charge (SC) accumulation and transport in electrical insulation plays
an important role in electrical engineering. In this article, the concept of the pulsed …

Two-dimensional space charge measurement of scaled cable joint model

S Zahra, M Utagawa, T Kawashima… - 2022 IEEE 4th …, 2022 - ieeexplore.ieee.org
In order to establish a space charge measurement method for a full-size HVDC cable joint, a
two-dimensional space charge measurement of a reduced joint model was attempted. A …

Charge transport behavior in XLPE-insulated cables under DC and thermal gradient coupling field considering the effects of non-uniform conductivity

J Xue, Z Zhang, M Zhu, Y Zhao… - Journal of Physics D …, 2021 - iopscience.iop.org
The space charge accumulation of cross-linked polyethylene is the primary factor leading to
the insulation failure of direct current (DC) cables, and the poor understanding of space …