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장잉규,곽동수,신흥교 慶尙大學校生産技術硏究所 1999 生産技術硏究所論文集 Vol.15 No.-
To analyze reliability and design optimal contracts shapes of GCB carrying out closing and opening braker, it is necessary to compute accurately electric field in the SF6 GCB chamber under the high voltage and energy states. Conventional electric field analysis method, C-0 FEM, only satisfies a continuous condition of electric potential in interesting domain. But this method doesn't appropriate a continuous condition of electric field on the boundary and thus demands additional computation to get distribution of electric field. So, this paper proposed C-1 FEM including 9 DOF(degree of freedom) of node's potential and differential in 3 dimension-axisymmetric field. Proposed method, C-1 FEM, satisfied continuous condition of electric potential and electric field at the same time. In order to examine this method's propriety, it is applied to analytic model formed coaxial cylindrical electrode. The efficiency of the C-1 FEM is demonstrated through comparing the calculated results of the proposed algorithm with those of conventional method for Gas Circuit Breaker.