Finite Element Modeling of Electric Field Distribution in a Defective XLPE Cable Insulation Under Different Magnitudes of Stressing Voltage

Sulaiman, S. H.; Rohani, Mohamad N. K. H.; Abdulkarim, A.; Abubakar, A. S.; Shehu, G. S.; Musa, U.; Mas'ud, A. A.; Rosle, N.; Muhammad-Sukki, F.

Abstract

Air voids in solid dielectrics affect the performance and lifespan of high voltage (HV) equipment. In this research, electric field distribution within a cross-linked polyethylene (XLPE) HV cable is analyzed using a finite element analysis (FEA) software, COMSOL Multiphysics. The study was performed in the presence of air cavity of different sizes within the insulation. The average as well as the maximum field strengths for both 2D and 3D of the healthy cable were observed to be equal under five (5) stressing voltage levels. The local field for 1 mm cavity radius in 3D was however lower than that of 2D model with an approximate percentage decrease of 9% for all the applied voltages. Further investigations on the 3D model show that average field rises with voltage and slightly decreases with increasing cavity size, while field enhancement is affected more by the cavity size than voltage stress.

Citation

Sulaiman, S. H., Rohani, M. N. K. H., Abdulkarim, A., Abubakar, A. S., Shehu, G. S., Musa, U., …Muhammad-Sukki, F. (2024). Finite Element Modeling of Electric Field Distribution in a Defective XLPE Cable Insulation Under Different Magnitudes of Stressing Voltage. In Proceedings of the 12th International Conference on Robotics, Vision, Signal Processing and Power Applications. https://doi.org/10.1007/978-981-99-9005-4_1

• Conference Name: The 12th International Conference on Robotics, Vision, Signal Processing, and Power Applications
• Conference Location: Penang, Malaysia
• Start Date: Aug 28, 2023
• End Date: Aug 29, 2023
• Acceptance Date: May 22, 2023
• Online Publication Date: Mar 31, 2024
• Publication Date: 2024
• Deposit Date: Sep 1, 2023
• Publicly Available Date: Apr 1, 2025
• Publisher: Springer
• Series Title: Lecture Notes in Electrical Engineering
• Series Number: 1123
• Book Title: Proceedings of the 12th International Conference on Robotics, Vision, Signal Processing and Power Applications
• ISBN: 978-981-99-9004-7
• DOI: https://doi.org/10.1007/978-981-99-9005-4_1
• Keywords: Finite element analysis; XLPE; Electric Field; Cable; COMSOL
• Public URL: http://researchrepository.napier.ac.uk/Output/3181226
• Publisher URL: https://link.springer.com/book/9789819990047