Collocation Spectral Method for Numerical Computation of Electric Potential Distribution Along Polluted Insulator

Nouir-Masmoudi, Haifa; Kaddeche, Slim; Dhahbi-Megriche, Nabila; Béroual, Abderrahmane

doi:10.1109/tdei.2023.3280866

IEEE Trans. Dielect. Electr. Insul.

2023

DOI: 10.1109/tdei.2023.3280866

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Collocation Spectral Method for Numerical Computation of Electric Potential Distribution Along Polluted Insulator

Haifa Nouir-Masmoudi¹,

Slim Kaddeche²,

Nabila Dhahbi-Megriche³

et al.

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2024

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Classification of RTV-coated porcelain insulator condition under different profiles and levels of pollution

Salem,

Al-Gailani,

Amer

et al. 2024

Sci Rep

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Due to the limited hydrophobic properties of porcelain insulators, applying anti-pollution flashover coatings is crucial to enhance their functionality. This research outlines a classification system for assessing contamination levels on 22 kV porcelain insulators, both with and without coatings. It synthesizes six classification criteria derived through both numerical simulations and experimental studies to effectively gauge contamination severity. The study examined insulators treated with Room Temperature Vulcanizing (RTV) silicone under three different conditions: uncoated, partially coated, and fully coated. Additionally, the research assessed the effects of humidity on these polluted insulators to understand environmental impacts on their performance. The criteria, which are the flashover voltage (x 1 ), fifth to third harmonics of leakage current (x 2 ), maximum electric field (x 3 ), total harmonic index (x 4 ), insulation resistance (x 5 ) and dielectric loss (x 6 ), were proposed for evaluating the insulator’s string condition. The finite element method (FEM) was used to simulate an electric field. Then, based on the proposed criteria, the performances of the Random Forest (RF), Support Vector Machine (SVM), K-Nearest Neighbor (KNN), and Multi-layer Perceptron (MLP) have been trained and compared to classify polluted insulator conditions with and without coating. The established criteria facilitate precise monitoring of the condition of high-voltage insulators, ensuring quick and effective responses that support the stability of the electrical power system.

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Classification of RTV-coated porcelain insulator condition under different profiles and levels of pollution

Salem,

Al-Gailani,

Amer

et al. 2024

Sci Rep

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scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.

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Collocation Spectral Method for Numerical Computation of Electric Potential Distribution Along Polluted Insulator

Cited by 1 publication

References 22 publications

Classification of RTV-coated porcelain insulator condition under different profiles and levels of pollution

Classification of RTV-coated porcelain insulator condition under different profiles and levels of pollution

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