Design of GIS insulators including small metal particle influence

Hot, Kemal; Tafra, Radovan

doi:10.1108/03321649810203062

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Field Calculation1

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2001

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“…where D represents the conventional excitation average over previous time steps using an appropriate method and P n represents the non-linear excitation at the same time step. The iterative procedure used to reduce the residual (error vector) to zero was discussed in Hot and Tafra (1998).…”

Section: Field Calculationmentioning

confidence: 99%

Shape optimization of GIS insulator barrier

Hot

Mandić

2001

COMPEL

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A gas insulated substation (GIS) barrier with conical insulators from a cast epoxy resin is optimized to withstand AC and DC stresses. The field distribution across insulators with long creepage path and field distortion due to the deposition of charge on the insulator surface is calculated on a parametric geometry model by finite element techniques. The shape of the insulator and surrounding electrodes was improved fairly quickly using a direct search method with constraints. The results of optimization were verified by standard measurements on high voltage insulators in SF 6 gas.

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Section: Field Calculationmentioning

confidence: 99%