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Open access Sep 2026

Influence of Creepage Distance and Pollution Severity on Flashover Voltage and Parallel Discharge Mechanisms in Glass Insulators

This study investigates the impact of creepage distance and insulator geometry on the AC flashover voltage (FOV) and parallel-discharge characteristics of flat-glass insulator models under uniform pollution conditions. Experimental tests were conducted using a plane-plane electrode configuration with pollution conducti...

Samia Satta, Hasna Boulanouar, Meriem Messaoudi et al. · 0 citations
Oct 2026

Impact of Electrode Material on Transient Current and Conduction Mechanisms in Oil Impregnated Pressboard Insulation

The conduction behavior in oil-impregnated pressboard insulation has been extensively investigated under various conditions. However, few studies have addressed the potential influence of the electrode’s metallic nature and the fibrous structure of the pressboard material on the conduction process at the metal/pressboa...

Fella Salhi, A. Beldjilali, N. Saidi-Amroun · 0 citations
Open access Sep 2026

Insulation Breakdown Strength Under AC and DC Stress Using Different Dielectric Materials: An Empirical Synthesis

The reliability and efficiency of high-voltage power systems are critically dependent on the performance of insulating materials, which prevent electrical failures by withstanding high voltages. Insulation breakdown occurs when the dielectric strength of a material is exceeded, leading to system faults and reduced o...

L. Dumkhana · 0 citations
Conference Open access Sep 2026

Breakdown characteristic differences and environment-matched detection of multilayer polymer insulation structures

This paper investigates the breakdown characteristics and environment-matched detection of multilayer ethylene vinyl acetate (EVA) and polytetrafluoroethylene (PTFE) insulation structures for live-line protective equipment. Different from conventional material breakdown tests under a single medium, this work focuses on...

Run-Tao Jing, Chun-Ming Wei, P. Tang et al. · 0 citations
Conference Open access Sep 2026

Study on the mechanical characteristics of pumped storage cable laid in serpentine

The operating environment of pumped storage power stations, characterized by high drop, steep slopes, and frequent load fluctuations, makes it difficult for high-voltage cables to effectively release the thermal expansion and mechanical stress they bear. This paper focuses on the thermal-mechanical stress problem of 50...

Jie Ren, Tao Liu, Bai-Hua Zhang et al. · 0 citations
Open access Sep 2026

Influence of non-sinusoidal voltages on electromechanical stresses in cross-linked polyethylene insulation with micro-defects of power electrical cables

Introduction. Power cables with cross-linked polyethylene (XLPE) insulation have significant advantages over traditional oil-filled ones, which have led to their widespread use in high-power electrical networks of all developed countries. However, such cables are increasingly forced to operate under conditions of non-s...

A. Shcherba, O. Podoltsev, M. Shcherba et al. · 0 citations

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