Electrical tree degradation in high‐voltage cable insulation: progress and challenges

J Su, B Du, J Li, Z Li - High Voltage, 2020 - Wiley Online Library
High‐voltage direct current (HVDC) and high‐voltage alternating current (HVAC) cables are
the most important equipment for high‐voltage, large‐capacity and long‐distance power …

Multi-length scale microstructural design of lithium-ion battery electrodes for improved discharge rate performance

X Lu, X Zhang, C Tan, TMM Heenan… - Energy & …, 2021 - pubs.rsc.org
Fast discharge capability of automotive batteries not only affects the acceleration and
climbing performance of electric vehicles, but also the accessible driving range under …

Nondestructive 3D Imaging of Microscale Damage inside Polymers—Based on the Discovery of Self‐Excited Fluorescence Effect Induced by Electrical Field

W Sima, X Tang, P Sun, Z Sun, T Yuan… - Advanced …, 2023 - Wiley Online Library
The development of high‐precision, non‐destructive, and three‐dimensional (3D) in situ
imaging of micro‐scale damage inside polymers is extremely challenging. Recent reports …

Evolution of partial discharges during early tree propagation in epoxy resin

Z Lv, SM Rowland, S Chen, H Zheng… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Electrical tree growth is a precursor to dielectric breakdown in high voltage polymeric
insulation. Partial discharge (PD) has a close relationship with electrical tree propagation …

Electrical treeing and reverse tree growth in an epoxy resin

H Zheng, SM Rowland, I Iddrissu… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
An electrical treeing process is presented which consists of two types of electrical tree
structures that coexist in the same epoxy resin: these have been termed asfilamentary trees' …

Terahertz non-destructive testing and imaging of high-voltage cables

Z Zhenwei, X Jing, J Rui, W Yinghong, G Hao… - Frontiers in …, 2022 - frontiersin.org
The evaluation of the internal defects in high-voltage cross-linked polyethylene cables is
highly crucial for the security and reliability of power transmission. Here, a terahertz (THz) …

3D characterization of electrical tree structures

R Schurch, J Ardila-Rey, J Montana… - … on Dielectrics and …, 2019 - ieeexplore.ieee.org
Electrical trees are one of the main mechanisms of degradation in solid polymeric insulation
leading to the failure of high voltage equipment. They are interconnected networks of hollow …

Three-dimensional nanometer features of direct current electrical trees in low-density polyethylene

LKH Pallon, F Nilsson, S Yu, D Liu, A Diaz, M Holler… - Nano Letters, 2017 - ACS Publications
Electrical trees are one reason for the breakdown of insulating materials in electrical power
systems. An understanding of the growth of electrical trees plays a crucial role in the …

Role of a 3D Nanoskeleton in Hindering Electrical Tree Growth in Nanocomposites: Insights from in Situ Self-Fluorescence Imaging

W Sima, X Tang, P Sun, M Yang, T Yuan, Z Shi… - ACS Macro …, 2023 - ACS Publications
Despite the proposal of nanodielectrics in 1994, the impact of nano-and microstructures on
composite performance is still not completely understood. A key reason for this knowledge …

Comparison and combination of imaging techniques for three dimensional analysis of electrical trees

R Schurch, SM Rowland, RS Bradley… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Imaging of electrical trees has been an important tool for studying the phenomenon. The
authors have previously shown that electrical trees can be three-dimensionally (3D) imaged …