Potential of slippery liquid infused porous surface coatings as flashover inhibitors on porcelain insulators in icing, contaminated, and harsh environments

Olad, Ali; Maryami, Fatemeh; Mirmohseni, Abdolreza; Akmal, Amir Abbas Shayegani

doi:10.1016/j.porgcoat.2020.106082

Cited by 21 publications

(17 citation statements)

References 50 publications

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“…Other combustion parameters of PLA and CNTs-H-C/PLA measured by cone calorimeter are also provided in Table 2 . As can be seen in Table 2 , the ignition time (TTI) of CNTs-H-C/PLA and PLA are close, while the pk-HRR/TTI that characterizes potential flashover 34 is reduced from 24.03 kW (m 2 s −1 ) of PLA to 14.6 kW (m 2 s −1 ) of CNTs-H-C/PLA-5, decreased by 39.2%. This indicates that the potential flashover of CNTs-H-C/PLA is significantly lower than that of PLA, which will greatly reduce the fire hazard.…”

Section: Resultsmentioning

confidence: 80%

Construction of carbon-based flame retardant composite with reinforced and toughened property and its application in polylactic acid

et al. 2022

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Section: Resultsmentioning

confidence: 80%

Construction of carbon-based flame retardant composite with reinforced and toughened property and its application in polylactic acid

et al. 2022

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“…Besides superhydrophobic coatings, nonlinear coatings (Ibrahim et al, 2014), Slippery Liquid Infused Porous Surfaces (SLIPS) (Olad et al, 2021), TiO 2 coatings (Zhuang, 2010;Zhuang et al, 2010;Castaño et al, 2014) have also been applied to improve the pollution flashover performance of insulators.…”

Section: Other Coatingsmentioning

confidence: 99%

A review on mechanism and application of functional coatings for overhead transmission lines

et al. 2022

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Overhead transmission line is the main method of power transmission. Conductors, insulators, and towers are the primary electrical equipment of overhead transmission lines. Due to overhead transmission lines work in the natural environment, problems such as icing, corona discharge, contamination deposition, and corrosion will arise. As a result, some accidents may occur, which cause enormous economic losses. The above problems can be solved by coating functional coatings with superhydrophobic, semiconductive, anti-corrosion, and other characteristics on electrical equipment, which has the advantages of low cost and high efficiency. Therefore, functional coatings have become a research hotspot in the field of external insulation in recent years. In view of the various problems of different electrical equipment in overhead transmission lines, distinctive solutions need to be adopted, so this review classifies the coatings according to the usage scenarios and functions. In each category, first briefly outlines the causes of the electrical equipment problem, then introduces the mechanism of using this type of functional coating to solve the problem, next summarizes the development and application status of this type of coating, after summarizes the limitations of this coating, and finally provides a summary of the key issues in the research of functional coatings and gives an outlook on potential future research directions. This review intends to provide readers with a comprehensive overview of the performance principles and current application status of functional coatings for overhead transmission lines.

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“…As with ceramics, insulating oil and paper, silicone rubber type materials are the most common and prevalent electrical insulation materials, used extensively in the insulation of power equipment [1]. Due to the advantages of light weight, high mechanical strength, and strong water repellency, silicone rubber is more desirable than traditional inorganic insulation materials (ceramics, etc.)…”

Section: Introductionmentioning

confidence: 99%

Synthesis of high‐purity mesoporous nanosilica microspheres from retired composite insulators based on orthogonal experiment

et al. 2022

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Silicone rubber is an indispensable insulation material for power equipment and is difficult to degrade naturally, posing a serious threat to the environment. It remains challenging to dispose this alarming amount of waste. In our previous research, a green pyrolysis recycling method was proposed for waste composite insulators. In this article, the experimental device was further improved, and the recycling process was optimised by orthogonal experiments to obtain nanosilica microspheres (NSMs) with higher purity and controllable particle size for the state-of-the-art engineering applications. Firstly, the effect of three factors (calcination temperature, constant-temperature duration, and heating rate) on the particle size of NSMs were investigated by single-factor analysis. ANOVA and response analyses were then used to examine the goodness of fit of the multi-parameter fitting equation and the interaction impact of multiple factors on the particle size. Finally, homogeneous mesoporous NSMs with higher purity (increased from 97% to 99%) and smaller particle size (decreased from 160 to 103 nm were prepared under the guidance of model. The SiO 2 -recovery rate of this method was 74.7%, revealing superior economic value.

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Potential of slippery liquid infused porous surface coatings as flashover inhibitors on porcelain insulators in icing, contaminated, and harsh environments

Cited by 21 publications

References 50 publications

Construction of carbon-based flame retardant composite with reinforced and toughened property and its application in polylactic acid

Construction of carbon-based flame retardant composite with reinforced and toughened property and its application in polylactic acid

A review on mechanism and application of functional coatings for overhead transmission lines

Synthesis of high‐purity mesoporous nanosilica microspheres from retired composite insulators based on orthogonal experiment

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