Results 11 to 20 of about 1,546 (251)
Experimental Results of Partial Discharge Localization in Bounded Domains
Sensors, 2021 This work presents a novel diagnostic method to localize Partial Discharges (PDs) inside Medium Voltage (MV) and High Voltage (HV) equipment. The method is well suited for that equipment presenting a bounded domain with fixed Boundary Conditions (BCs ...
Luca Perfetto, Gabriele D’Antona
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High Voltage, 2021 Partial discharge (PD) is one of the main causes rendering the deterioration of the insulation state in gas‐insulated transmission line (GIL). Accurate and timely localization of the PD source is essential to ensure the safe and stable operation of the ...
Yiming Zang +5 more
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IET Generation, Transmission & Distribution, 2023 Herein, the surface charge characteristics of a tri‐post insulator in a ± 500 kV direct current gas‐insulated transmission lines (DC‐GIL) filled with SF6 are thoroughly studied.
Xiaolong Li +5 more
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IET Science, Measurement & Technology, 2023 There are many defects in gas‐insulated metal‐enclosed switchgear (GIS) and gas‐insulated transmission lines (GIL) that may cause accidents, such as floating potentials, metal particles, air gaps, and cracks in support insulators.
Jixing Sun +8 more
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Transient Surface Charge Characteristics of DC-GIL Insulator Under Thermal-Electric Coupled Fields
IEEE Access, 2022 The insulator in direct current gas-insulated transmission lines (DC-GIL) would suffer discharge risk due to surface charge accumulation under thermal-electric coupled fields.
Xiaolong Li +5 more
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Energies, 2023 Gas-insulated power transmission lines (GILs) can replace cables and overhead transmission lines, playing an important role in DC transmission systems. However, the influence of surface charge accumulation on insulation reliability cannot be ignored as ...
Fangwei Liang +4 more
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Technical solutions for the transmission of electricity at high voltage in arctic conditions
Российская Арктика, 2023 The article considers the main solutions to the problems that arise during the transmission of high voltage electricity in the Far North. The relevance of this topic is associated with the high strategic importance of the Arctic zone for the Russian ...
Varivodov V.N. +4 more
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Global Energy Interconnection, 2019 The development of high-voltage direct current gas-insulated switchgear assemblies (DC GIS) of rated voltages up to ±550 kV has been completed. DC GIS provide a compact technical solution with a high functional density, optimized for projects with ...
Maria Kosse +3 more
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N 2 proportion in GIL based on heat characteristics of gas mixture [PDF]
电力工程技术, 2022 SF 6/N 2 gas mixture is considered as one of the most promising gases to replace SF 6 because of its good insulation performance and environmental benefits.
PANG Lele +5 more
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High Voltage, 2022 Considering the long length of gas‐insulated transmission lines (GILs), novel methods are required to alleviate the impacts of axial diffusion on decomposition products' monitoring.
Rui Qiu +8 more
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