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Since GIS bushings are keeping the conducting lines being insulated from the ground and decreasing the intensified electric field strength, its safe and reliable operation are extremely important. However, the complicated structure and high electric field strength are making the structural optimization of bushings necessary. In this paper, the basic principles and process of the newly-presented artificial...
A new-type of SF6 gas-insulated HVDC wall bushing has been manufactured. The double-layer electrodes are introduced to grade electric fields instead of traditional capacitor foils. Therefore, the electric-field distribution of inner insulation is quite different from traditional productions as well as structure design. This paper presents finite element analysis (FEA) of this type of bushing. The...
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