NDLI: Optimization of electric field grading systems in non-ceramic insulators

Content Provider	IEEE Xplore Digital Library
Author	Dominguez, D.C. Espino-Cortes, F.P. Gomez, P.
Copyright Year	2011
Description	Author affiliation: SEPI - ESIME-Zacatenco National Polytechnic Institute, U.P. Adolfo López Mateos Lindavista C.P. 07738 México D.F. (Dominguez, D.C.; Espino-Cortes, F.P.; Gomez, P.)
Abstract	In this work two electrical stress grading techniques for non-ceramic insulators are analyzed. In both techniques some parameters were optimized for a 115 kV non-ceramic insulator. Electric field simulations were performed with finite element method while, for the optimization process, different functions of the MATLAB® optimization toolbox were used. In the first case the optimized parameters were the relative permittivity of the material and the geometry of insulator on the energized side. The simulations were made under power frequency and under normalized lightning impulse. Modification of the shape next to the energized side consists of changing the inclination angle of the housing material. Furthermore, the corona ring position is optimized on the energized side of the non-ceramic insulator for comparison with the aforementioned method. According to the results, it was found that there are geometric parameters and material properties that minimize the value for the maximum electric field along the insulator surface.
Starting Page	231
Ending Page	234
File Size	1282478
Page Count	4
File Format	PDF
ISBN	9781457702785
e-ISBN	9781457702792
e-ISBN	9781457702778
DOI	10.1109/EIC.2011.5996152
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Optimization Electric fields Insulators Corona Materials Permittivity Geometry optimization Dielectric permittivity electric field non-ceramic insulator
Content Type	Text
Resource Type	Article

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