Distribution of electric field in medium voltage cable joint geometry

Illias, Hazlee Azil and Lee, Z.H. and Bakar, A.H.A. and Mokhlis, Hazlie and Ariffin, A.M. (2012) Distribution of electric field in medium voltage cable joint geometry. In: 2012 IEEE International Conference on Condition Monitoring and Diagnosis, CMD 2012, 2012, Bali.

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Abstract

Cable joint is used to connect different sections of cable because a cable section is limited to a certain length. The design of a cable joint mainly depends on the cable type, the applied voltage and the cores. These factors contribute to the way of how electric field stress is distributed at the cable joint. If there are defects exist within the cable joint insulation material, the electric field at that region is altered. The alteration may cause electrical discharges to occur within the defects if the electric field magnitude is larger than the breakdown strength at the defect sites. Therefore, this paper investigates the electric field distribution in a medium voltage cable joint in the presence of defects. The investigation was done through modelling a medium voltage (MV) cable joint using finite element analysis (FEA) software. Several parameters such as the defect size and location, insulation material dielectric constant and insulation thickness have been studied of their effects on the electric field distribution at the cable joint. The results obtained may be able to help in the designing of cable joint structures which can reduce the electric field stress.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Conference code: 95660 Export Date: 17 April 2013 Source: Scopus Art. No.: 6416337 :doi 10.1109/CMD.2012.6416337 Language of Original Document: English Correspondence Address: Illias, H.A.; Electrical Engineering Department, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia; email: h.illias@um.edu.my References: Naidu, M.S., Kamaraju, V., (1996) High Voltage Engineering, , 2nd ed McGraw-Hill; Kuffel, E., Zaengl, W.S., Kuffel, J., (2000) High Voltage Engineering Fundamentals, , 2nd ed Butterworth-Heinemann Newnes; Limited, W.H., Cable Joints, , 1.07.01; (2008) LV-HV Cable Installation Jointing and Electrical Distribution Equipment, , UK T.D; Illias, H., Chen, G., Lewin, P.L., Modeling of partial discharge activity in spherical cavities within a dielectric material (2011) IEEE Electrical Insulation Magazine, 27, pp. 38-45; Illias, H.A., Chen, G., Lewin, P.L., Partial discharge within a spherical cavity in a dielectric material as a function of cavity size and material temperature (2012) IET Science, Measurement and Technology, 6, pp. 52-62 Sponsors: IEEE Dielectrics and Electrical Insulation Society (DEIS)
Uncontrolled Keywords: Electric field; Finite element analysis; Medium voltage cable joint; Applied voltages; Breakdown strengths; Cable joint; Cable types; Defect sites; Defect size; Distribution of electric fields; Electric field distributions; Electric field magnitude; Electric field stress; Electrical discharges; If there are Insulation materials; Insulation thickness; Medium voltage cables; Cable cores; Condition monitoring; Defects; Electric discharges; Electric fields; Finite element method; Insulating materials; Cable jointing
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 10 Jul 2013 05:25
Last Modified: 06 Dec 2019 08:31
URI: http://eprints.um.edu.my/id/eprint/7840

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