Influence of electric field on the ice‐coating process of insulators with a different dielectric surface

Yang, Zhongyi; Jiang, Xingliang; Huang, Yujing; Hu, Jianlin; Han, Xingbo

doi:10.1049/iet-smt.2018.5570

Cited by 10 publications

(2 citation statements)

References 21 publications

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“…The hydrophobicity and hydrophobicity recovery given by silicone rubber is a key property [76] which can stop pollutants from adhering to the insulator surface and prevent pollution flashover accidents. Some studies have also reported the flashover performance of superhydrophobic coatings, showing the increase of flashover voltage and the decrease of leakage current [32,77,78]. Many researchers are beginning to devote their efforts to modifying composite insulators to a superhydrophobic state to improve their fouling resistance.…”

Section: Self-cleaning Technology For Composite Insulatorsmentioning

confidence: 99%

Research Progress of Self-Cleaning, Anti-Icing, and Aging Test Technology of Composite Insulators

Zhang

et al. 2022

Coatings

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Composite insulators are widely used in power systems because of their advantages of light weight, good pollution resistance, and high mechanical strength. With the increasingly serious environmental pollution problem, especially in winter at high latitudes, composite insulators are easily affected by fog, bird droppings, algae, and icing. Long-term exposure to the outdoor insulator surface will cause aging, which will then pose ae potential safety hazard to the stable operation of insulators. Therefore, the self-cleaning, anti-icing, and aging test technologies of composite insulators are particularly important. This paper introduces the research progress and current situation of self-cleaning, anti-icing surface preparation, and aging test technology of composite insulators, and looks forward to the future development of composite insulators.

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Section: Self-cleaning Technology For Composite Insulatorsmentioning

confidence: 99%

Research Progress of Self-Cleaning, Anti-Icing, and Aging Test Technology of Composite Insulators

Zhang

et al. 2022

Coatings

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“…The results show that the degree of electric field distortion increases with the development of ice accretion before icicles bridge the adjacent sheds. When the sheds are bridged by icicles, the electric field distribution becomes uniform [14]. In [12,15,16], a 2D axisymmetric model of 220 kV silicone rubber insulator covered with ice is built and the effects of grading ring, icing degree and shed configurations on the electric field were analyzed and discussed.…”

Section: Introductionmentioning

confidence: 99%

Simulation calculation of 3D electric field and natural flashover analysis of ice‐covered silicone rubber insulator

Dong

Yin

et al. 2022

IET Generation Trans & Dist

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The effects of uneven icing, number of icicles, inclination angle of icicle, ice pallets and arc ignition on the electric field are ignored for the two-dimensional axisymmetric model of ice-covered insulator. Therefore, a 3D simulation model was developed in this paper. The average electric field strength of air gap (E av ) and maximum field strength of icicle tip (E max ) were determined to characterize the influence of various factors on the electric field distortion degree. The results show that compared with the insulator without ice and with a dry ice, the supply voltage is almost entirely applied to all icicle air gaps for a wet ice-covered insulator. E av is independent of icicle diameter and icicle number but increases with the increment of icicle length and icicle inclination angle. E max raises with the increase of icicle length, icicle number, icicle inclination angle and icicle diameter. As the source of electric field distortion, the ice pallets on the surface of the sheds rise the field strength of air gap. Based on the simulation analysis and natural icing test, the applied voltage is redistributed in the remaining air gaps when an arc occurs in the gap near the high-voltage terminal, thereby causing the subsequent flashover.

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Design and Icing Analysis of a Novel Magnetic Coupling Mechanism for WPT System on High-Voltage Transmission Lines

Shen

Tan

Zhi-jun

et al. 2023

Lecture Notes in Electrical Engineering

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Influence of electric field on the ice‐coating process of insulators with a different dielectric surface

Cited by 10 publications

References 21 publications

Research Progress of Self-Cleaning, Anti-Icing, and Aging Test Technology of Composite Insulators

Research Progress of Self-Cleaning, Anti-Icing, and Aging Test Technology of Composite Insulators

Simulation calculation of 3D electric field and natural flashover analysis of ice‐covered silicone rubber insulator

Design and Icing Analysis of a Novel Magnetic Coupling Mechanism for WPT System on High-Voltage Transmission Lines

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