Flashover influence of fog rate on the characteristics of polluted silicone-rubber insulators

Krzma, Adnan S; Albano, M.; Haddad, Abderrahmane

doi:10.1109/upec.2017.8231958

Cited by 12 publications

(10 citation statements)

References 8 publications

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“…The answer to the above question through the selected experimental studies was summarized in Table 6. [24], [25], [31], [33], [36], [40], [42], [45][46][47], [49], [51], [53],…”

Section: B Eligible Studies Characteristicsmentioning

confidence: 99%

Pollution Flashover Voltage of Transmission Line Insulators: Systematic Review of Experimental Works

et al. 2022

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Over the past decades, extensive experimental-based research works have been carried out to investigate the flashover phenomenon on the performance of polluted transmission line insulators. The critical focus has been on developing methods that can determine the safety, reliability, and sustainability of the overall power transmission network based on experimental results obtained from polluted insulators' flashover voltage tests. In this paper, a systematic review of available scientific works, published as early as the 1990s, for the analysis of pollution flashover voltage, is undertaken. The review mainly focuses on factors influencing the efficiency of transmission line insulators under polluted conditions. Specifically, publication databases utilizing various synonyms and keywords associated with the terms "contaminated insulators" and "flashover voltage test" have been scrutinized. The search has resulted in 1364 articles, from which 97 articles have satisfied the review requirements and have been subsequently analyzed to determine the parameters associated with polluted insulators. Major factors that affect the performance of insulators, including electrical and environmental impacts, are discussed. Variations in factors affecting flashover test development and insulator efficiency are also considered. Overall, the current analysis provides an important insight toward successful evaluations of the health of transmission line insulators and research advancements of electric power transmission line insulators.INDEX TERMS Flashover voltage test, polluted insulators, high voltage insulators, transmission line.

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“…The answer to the above question through the selected experimental studies was summarized in Table 6. [24], [25], [31], [33], [36], [40], [42], [45][46][47], [49], [51], [53],…”

Section: B Eligible Studies Characteristicsmentioning

confidence: 99%

Pollution Flashover Voltage of Transmission Line Insulators: Systematic Review of Experimental Works

et al. 2022

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“…To measure the flashover voltage of the test insulators, a ramp test method is being used. Using this method, the minimal voltage available is set and increased step by step automatically by a rate of 2kV/min, until a flashover occurs [23], [24]. During the moment of flashover, the circuit breaker is used to interrupt the test voltage-in another words, when the transformer voltage level is above maximum.…”

Section: Flashover Voltage Testmentioning

confidence: 99%

Alumina Trihydrate Effect on Flashover Voltage of Polyester Insulators by Whale Optimization Algorithm Technique

Ali¹,

Nasrat²,

Ismail³

2021

Journal of Southwest Jiaotong University

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Ceramic materials are commonly used as outdoor insulators for high-voltage power transmission lines. Presently, these ceramic insulators are replaced by composite polymeric insulators with polyester, especially in rainy areas. Unlike ceramic materials, polymer materials have a shorter life, so fillers are used to improve their physical and chemical properties. This paper aims to improve the flashover voltage performance of polyester loaded with Alumina Trihydrate filler in wet weather condition. Due to the high cost of raw materials (polyester and Alumina Trihydrate filler), the Whale Optimization Algorithm model was used to predict the best concentration of Alumina Trihydrate filler to give the best value of flashover voltage. The model is based on experimental data of flashover voltage measurements. A positive correlation of the calculations from the Whale Optimization Algorithm model with experimental data has been demonstrated. The results showed that the flashover voltage performance of polyester is increased with the increase of Alumina Trihydrate filler concentration. Also, the optimum concentration of Alumina Trihydrate filler and flashover values predicted by the MATLAB Whale Optimization Algorithm are very accurate.

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“…Pollution flashover can be mitigated by improving both insulator design and material properties [7, 8]. Ceramic insulators are made from an arc resistant material with high internal strength and excellent immunity to ultraviolet (UV) radiation.…”

Section: Introductionmentioning

confidence: 99%

Comparative characterisation of conventional and textured 11 kV insulators using the rotating wheel dip test

2020

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Surface tracking and erosion is an irreversible degradation occurring on the insulator surface, and this can ultimately lead to failure of the insulator. Polymeric materials such as silicone rubber have many advantages; including a superior hydrophobic surface. However, polymers are exposed to ageing and degradation resulting from electrical and environmental stresses. The rotating wheel dip test is adopted to conduct a comparative study of surface conduction on the two insulators. A conventional design has been selected and compared with insulators having textured surface. Monitoring of the shed surface and insulator trunk using an IR camera were carried out to assess the temperature distribution along insulator profiles. A spatial analysis was also performed to identify key features of the two designs. Localised surface conductance measurements are proposed in this study. This helps to understand and distinguish the trends of conductance and its distribution on each surface, helping to predict the future surface degradation associated to each design.

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Flashover influence of fog rate on the characteristics of polluted silicone-rubber insulators

Cited by 12 publications

References 8 publications

Pollution Flashover Voltage of Transmission Line Insulators: Systematic Review of Experimental Works

Pollution Flashover Voltage of Transmission Line Insulators: Systematic Review of Experimental Works

Alumina Trihydrate Effect on Flashover Voltage of Polyester Insulators by Whale Optimization Algorithm Technique

Comparative characterisation of conventional and textured 11 kV insulators using the rotating wheel dip test

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