電力ケーブル接続部の電界最適化の検討

概要

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This paper examined an electric field optimization at the joint of power cables using the surface charge method and the genetic algorithm. The object is to minimize the electric field strength on the inner curved surface of the electrode under the constraint that the electric field strength along the interface between the two different insulators should be below a permissible value. The surface charge method that provides accurate solutions on the boundaries of the multi-layer substances with less number of elements is employed for the calculation of the electric field distributions. The genetic algorithm is used for optimization purposes that can easily omit the cases that are out of the constraint conditions. As a result, the obtained electrode shape reduced 14% of the electric field strength on the inner curved electrode from a standard model. Then, the interface electric field distribution was almost equal to a permissible value that was obtained by calculating a standard model. Moreover, we attempted to optimize the electrode shape in the case that we set a permissible value at 95% and 105% of the maximum interface electric field strength from a standard model.
日本シミュレーション学会の論文
2002-03-15