A Novel Polyester Varnish Nanocomposites for Electrical Machines with Improved Thermal and Dielectric Properties Using Functionalized TiO2 Nanoparticles

HM Ahmed, NMK Abdel-Gawad, WA Afifi… - Materials, 2023 - mdpi.com
Recently, there has been a growing interest in polymer insulating materials that incorporate
nanoscale inorganic additives, as they have shown significantly improved dielectric, thermal …

From independent to related: Voltage ramp rate effects on self-healing scaling in metallized polypropylene film capacitors

Y He, F Wang, G Du, L Pan, K Wang… - … on Dielectrics and …, 2023 - ieeexplore.ieee.org
Metallized polypropylene film capacitors (MPPFCs) are well-suited for high-frequency and
high-electric-field applications, such as electric vehicles, aerospace, and pulsed power …

Improving Dielectric Properties of Electrical Machines Insulating Varnish Using SiO2 Nanoparticles

HM Ahmed, NMK Abdel-Gawad, WA Afifi… - … Middle East Power …, 2022 - ieeexplore.ieee.org
Recently, polymer nanocomposites proved various enhancements in many properties
compared to the base material. This paper studies the effect of the incorporation of …

[HTML][HTML] Finite Element Analysis and Electrohydrodynamic Multiphysics Modeling of a Corona-Streamer Discharge in a Two-Phase Flow Medium

MK Baek, HY Lee - Energies, 2025 - mdpi.com
This study proposes an electrohydrodynamic multiphysics modeling and finite element
analysis technique to accurately simulate corona-streamer discharges in a two-phase flow …

Numerical prediction of DC breakdown characteristics in LDPE with current profile as critical index

M Kim, SH Kim, SH Lee - IEEE Access, 2020 - ieeexplore.ieee.org
Understanding the DC breakdown characteristics of polymeric insulators is essential for
stable operation of high-capacity DC electrical equipment. To predict the breakdown …

Modified Molecular Chain Displacement Analysis Employing Electro-Mechanical Threshold Energy Condition for Direct Current Breakdown of Low-Density …

M Kim, SH Lee - Polymers, 2021 - mdpi.com
In an HVDC environment, space charge accumulated in polymeric insulators causes severe
electric field distortion and degradation of breakdown strength. To analyze the breakdown …