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dc.contributor.authorHesamzadeh, M.
dc.contributor.authorHosseinzadeh, N.
dc.contributor.authorWolfs, Peter
dc.identifier.citationHesamzadeh, M. and Hosseinzadeh, N. and Wolfs, Peter. 2008. An Advanced Optimal Approach for High Voltage AC Bushing Design. IEEE Transactions on Dielectrics and Electrical Insulation 15 (2): pp. 461-466.

This paper proposes a new and advanced methodology for finding the optimum electrical design of high voltage ac capacitive graded bushings using an improved genetic algorithm approach as an effective meta-heuristic method. A case study has been conducted on a 145 kV oil impregnated paper (OIP) bushing and the IEC 60137 tests have been performed to evaluate its performance. Condenser-bushings contain concentric conductive foils which are isolated from each other. The partial capacitances between conducting cylinders can be modified by adjusting the number, diameter, place and length of these cylinders as well as the thickness of insulating material between foils. As a result, the voltage drop and also the electrical stress in the core and along the surface will change. This paper finds optimal value of bushing design parameters to achieve well-distributed electric stress with the lowest possible maximum value and also a constant voltage drop for different layers by using an improved genetic algorithm optimization method subject to practical and technological constrains. Theproposed method of this research work has been applied to a 145 kV OIP bushing. The performance of optimal designed 145 kV OIP bushing under IEC 60137 tests is very promising.

dc.publisherIEEE Dielectrics and Electrical Insulation Society
dc.subjectHigh voltage techniques
dc.subjectmodified genetic algorithm
dc.subjectdielectric breakdown
dc.titleAn Advanced Optimal Approach for High Voltage AC Bushing Design
dc.typeJournal Article
dcterms.source.titleIEEE Transactions on Dielectrics and Electrical Insulation

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curtin.accessStatusOpen access
curtin.facultyDepartment of Electrical and Computer Engineering
curtin.facultySchool of Engineering
curtin.facultyFaculty of Science and Engineering

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