Influence of different anodised nanoporous structures on the anti‐icing and electrical properties of transmission Al lines

IF 4.4 2区 工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC
High Voltage Pub Date : 2024-07-04 DOI:10.1049/hve2.12471
Xueying Dai, Yuan Yuan, Jie Xiao, Chenghao Jiang, Xujiang Hua, Huiying Xiang, Tao Zhu, Guoyong Liu, Jiang Zhou, Ruijin Liao
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引用次数: 0

Abstract

Ice accumulation of overhead transmission lines can lead to serious damage to power systems. Superhydrophobic nanostructured Al conductors are proposed to replace the de‐icing or ice‐melting equipment for economic advantages, good anti‐icing properties and robust electrical performance. Anodisation under different direct current densities is adopted to fabricate two nanostructures on Al conductors, including the reticular and honeycomb‐like nanoporous structures. Compared to pure Al conductors, the anodised surface of honeycomb‐like nanoporous structures exhibits lower ice adhesion (3.82 kPa) and ice accumulation. Aluminium conductor steel reinforced treated in the proposed method has also been validated to exhibit a significant anti‐glaze icing property. Additionally, corona performance and line loss are experimentally measured and calculated to prove good electrical performance. The 0.27 A Al strand shows the highest corona inception voltage (27.86 kV) and the lowest AC resistance (4.65 Ω/km), which is attributed to the good dielectric property and heat dissipation. Therefore, the proposed anti‐icing transmission conductors show profound application potential for power systems.
不同阳极氧化纳米多孔结构对输电铝线防冰和电气性能的影响
架空输电线路积冰会对电力系统造成严重破坏。超疏水纳米结构铝导体具有经济优势、良好的抗冰性能和坚固的电气性能,因此被建议用来替代除冰或融冰设备。采用不同直流电密度下的阳极氧化工艺,在铝导体上制造出两种纳米结构,包括网状和蜂窝状纳米多孔结构。与纯铝导体相比,经阳极氧化处理的蜂窝状纳米多孔结构表面具有更低的冰附着力(3.82 kPa)和冰积聚。经验证,采用拟议方法处理的铝导体钢增强材料也具有显著的抗釉结冰性能。此外,通过实验测量和计算,电晕性能和线路损耗也证明了良好的电气性能。0.27 A 铝绞线显示出最高的电晕起始电压(27.86 kV)和最低的交流电阻(4.65 Ω/km),这归功于其良好的介电性能和散热性能。因此,所提出的防结冰输电导体在电力系统中具有深远的应用潜力。
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来源期刊
High Voltage
High Voltage Energy-Energy Engineering and Power Technology
CiteScore
9.60
自引率
27.30%
发文量
97
审稿时长
21 weeks
期刊介绍: High Voltage aims to attract original research papers and review articles. The scope covers high-voltage power engineering and high voltage applications, including experimental, computational (including simulation and modelling) and theoretical studies, which include: Electrical Insulation ● Outdoor, indoor, solid, liquid and gas insulation ● Transient voltages and overvoltage protection ● Nano-dielectrics and new insulation materials ● Condition monitoring and maintenance Discharge and plasmas, pulsed power ● Electrical discharge, plasma generation and applications ● Interactions of plasma with surfaces ● Pulsed power science and technology High-field effects ● Computation, measurements of Intensive Electromagnetic Field ● Electromagnetic compatibility ● Biomedical effects ● Environmental effects and protection High Voltage Engineering ● Design problems, testing and measuring techniques ● Equipment development and asset management ● Smart Grid, live line working ● AC/DC power electronics ● UHV power transmission Special Issues. Call for papers: Interface Charging Phenomena for Dielectric Materials - https://digital-library.theiet.org/files/HVE_CFP_ICP.pdf Emerging Materials For High Voltage Applications - https://digital-library.theiet.org/files/HVE_CFP_EMHVA.pdf
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