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Conference Sep 2026

Analysis of Changes in Dielectric Properties of PVC-Insulated Cables Under Thermal Stresses

The world's energy sectors and policymakers have shifted their focus to renewable energy sources, such as Solar PV and Wind, to address global warming and reduce carbon emissions. The problem with the energy transition is integrating distributed generation into existing infrastructure, such as cables installed more tha...

Firew Dereje Olana, Z. A. Tamus · 0 citations
Conference Open access Aug 2026

Research on electromagnetic field optimization of a 35 kV transformer

Under long-term high-load operating conditions, electric field concentration and magnetic flux leakage in transformers can adversely affect operational stability. To address the insufficient attention paid to the coordinated optimization of electric and magnetic fields in existing studies, this paper investigates the e...

Limin Chen, Shou-Ye Li, Zeng-Xiang Zhang et al. · 0 citations
Open access Sep 2026

Analysis of VFTO and Its Mitigation in a GIS through Additional Earthing Grid

Very Fast Transient Overvoltages (VFTOs) are one of the major insulation stress phenomena encountered in Gas Insulated Substations (GIS). VFTOs are generated primarily during disconnector switching operations and are characterized by extremely steep wavefronts, high frequency oscillations, and short durations. These tr...

M. Prabhakar, V. Anil, I. Chandramouli et al. · 0 citations
Open access Aug 2026

Corrosion Behavior and Comparative Assessment of Mitigation Alternatives for Buried Natural Gas Pipelines Under Urban Stray Current Influence—A Case Study of HVDC Grounding Electrode Interference

With the large-scale deployment of high-voltage direct current (HVDC) transmission projects, monopolar ground return operation has increasingly intensified stray current interference risks to adjacent buried metallic pipelines. This study investigates a high-pressure natural gas pipeline project in Guangdong Province b...

Lan Li, Xi-Long Shi, Zhong-Wei Ye et al. · 0 citations
Open access Sep 2026

Impact of power cable modelling on switching transient overvoltage analysis in medium voltage motors

Precise electrical cable representation is crucial for examining surge transient overvoltages in medium voltage (MV) motor systems. These brief overvoltages, initiated by swift switching actions, may induce substantial insulation strain, equipment degradation, and potential system failures. This study explores the infl...

A. Basha, N. Lindsay · 0 citations
Open access Aug 2026

AC creeping flashover characteristics of oil-paper interface caused by floating discharge under parallel component

Floating discharge is a typical fault in oil-immersed power transformers. Test models used in previous research were primarily simple vertical components, mainly simulating the barrier area. However, in the actual operation of transformers, areas with parallel components (such as the angle ring region) are equally crit...

Qinglin Yang, Cheng Li, Tao Bo · 0 citations

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