Investigation of Electric Field Enhancement and Effects of Discharge Severity in an Insulated Power Cable with Multiple Gaseous Cavities

Authors

  • U. Musa Department of Electrical Engineering, Ahmadu Bello University, Zaria-Nigeria
  • A.A. Mati Centre for Energy Research and Training (CERT), Ahmadu Bello University, Zaria- Nigeria
  • A.A. Mas'ud Department of Electrical and Electronics Engineering Technology, Jubail Industrial College. KSA
  • S.H.Sulaiman Department of Electrical Engineering, Ahmadu Bello University, Zaria-Nigeria
  • J.M. Rodriguez-Serna Departamento de Ingeniería Eléctrica, Facultad de Ingeniería, Universidad de Antioquia (UdeA), Calle 67 No. 53-108, 050010 Medellín, Columbia.
  • G.S. Shehu Department of Electrical Engineering, Ahmadu Bello University, Zaria-Nigeria

Keywords:

Cross-linked polyethylene (XPLE), electric field strength, cavity, high voltage, COMSOL

Abstract

Gaseous cavities in the insulation of high voltage (HV) cables affect the electric field distribution and increase the electrical stress. This accelerates material ageing and creates partial discharge (PD) regions, which can cause cable failure. In this study, a simulation approach using a Finite Element Method (FEM) has been deployed to evaluate the discharge activity and electric field variation in cross-linked polyethylene (XLPE) insulated power cables. 2-Dimension models corresponding to sections of a practical three-core XLPE insulated cable were developed using COMSOL Multiphysics. Multiple cavities of different dimensions and configurations were considered. The results show that the electric field varies depending on the configuration and dimensions of the cavity. It was found that maximum field strength magnitude depends on the cavities, arrangement and location; an increase of up to 68.7% when compared to the case without cavities.

Author Biographies

U. Musa, Department of Electrical Engineering, Ahmadu Bello University, Zaria-Nigeria

Umar Musa received the degrees of Bachelor of Engineering (Electrical Engineering) in 2011, Master of Science (Power Systems Engineering) in 2017 and Doctor of Philosophy (Electrical Engineering) in 2021 from the Department of Electrical Engineering, Ahmadu Bello University, Zaria. He joined the services of Ahmadu Bello University in 2018 as a Lecturer II, and is currently a Lecturer I in the same Department. His main research interest is in high voltage engineering with emphasis on electric partial discharge modeling for condition monitoring and evaluation of high voltage installations. His other research interest includes power systems modelling and control, application of optimization techniques for power quality improvement and renewable energy. He has credit several papers in high voltage, power systems and renewable energy, with several more undergoing review in high impact factor journals

A.A. Mati, Centre for Energy Research and Training (CERT), Ahmadu Bello University, Zaria- Nigeria

Abdullahi A. Mati is a professor of Power and Energy Systems at the Center for Energy Research and Training (CERT), Ahmadu Bello University, Zaria. He is equally an adjunct Professor at the Department of Electrical Engineering of the University, where he is engaged in teaching and research of postgraduate students in Energy and Power Systems. He has over 30 years professional experience which covers Energy Systems Optimization, Power generation planning, Mini-grid and distribution energy systems, power quality management, demand modelling, HV transmission and distribution systems. He equally has to his credit, over 30 publications including 12 technical reports and 32 conference, workshop and seminar papers. He has also won many research grants, including the €3.5 million European Union grant contract under the Energizing Access to Sustainable Energy Project

A.A. Mas'ud, Department of Electrical and Electronics Engineering Technology, Jubail Industrial College. KSA

Abdullahi A. Masud (PhD, CEng, MIET) received his BEng. degree in Electrical Engineering from Ahmadu Bello University (ABU) in 1999. Subsequently, he pursued his Master’s degree in the same discipline at ABU and graduated in 2003. He also obtained a PhD in Electrical Engineering in 2013 from the Glasgow Caledonian University, Scotland, UK, under the supervision of Prof. Brian Stewart and Prof. Scott McMeekin. In 2002 he became an assistant lecturer in the Faculty of Engineering at the Ahmadu Bello University, Zaria, Nigeria. In 2013 he joined Jubail Industrial College, Saudi Arabia, and is currently an Associate Professor in the Department of Electrical and Electronic Engineering. He has several publications in high impact factor journals and conference proceedings in high voltage partial discharge and renewable energy. He is a Chartered Engineer, a Member of the IET, and a registered Engineer (COREN) Nigeria.

S.H.Sulaiman, Department of Electrical Engineering, Ahmadu Bello University, Zaria-Nigeria

Sulaiman Haruna Sulaiman received his B.Eng degree in Electrical Engineering from Bayero University Kano, Nigeria, in 2011. He then proceeded to Jodhpur National University in India where he obtained M.Tech in Electrical (Power System) Engineering in the year 2016. He is currently a Ph.D candidate in the department of Electrical Engineering at Ahmadu Bello University Zaria, Nigeria, with interest in High Voltage Engineering.

J.M. Rodriguez-Serna , Departamento de Ingeniería Eléctrica, Facultad de Ingeniería, Universidad de Antioquia (UdeA), Calle 67 No. 53-108, 050010 Medellín, Columbia.

Johnatan M. Rodríguez-Serna received the B.Eng and M.Sc. degrees in 2007 and 2011, respectively, in electrical engineering from the Universidad de Antioquia. He equally recived his PhD degree in 2021 from Universidad Politécnica de Madrid (UPM), Spain. Currently he is an Assistant Professor at the Electrical Engineering Department at the Universidad de Antioquia (UdeA). His main research interests include partial discharge modeling and measurement, high-voltage engineering, and electromagnetic compatibility.

G.S. Shehu, Department of Electrical Engineering, Ahmadu Bello University, Zaria-Nigeria

Gaddafi Sani Shehu received the B.Eng. degree in Electrical Engineering from Bayero University, Kano-Nigeria in 2009, the M.Sc. degree (Power Systems Engineering) from Meliksah University, Kayseri-Turkey in 2014 and the Ph.D. degree from Selcuk University Konya, Turkey in 2018. He is currently a Lecturer with the Department of Electrical Engineering, Ahmadu Bello UNiversity, Zaria-Nigeria. He was a Research Fellow with the Scientific and Technological Council of Turkey (TUBITAK), and a registered member with the Council for the Regulation of Engineering in Nigeria (COREN). His research interest include power system analysis, electromagnetic interference and compatibility, power electronics and artificial intelligence (AI) for image processing

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Published

2023-09-16

Issue

Vol. 20 No. 3 (2023): Volume 20, Issue 3, September 2023

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