Abstract

The shunt reactors operate under a very specific conditions in Gas Insulated Substations - GIS, especially during very fast electromagnetic transients due to switching and maneuver operations. A meticulous electromagnetic analysis for correct design of such power devices, especially on the insulation coordination between turns, discs, and from winding to ground. This article presents a step-by-step modeling methodology based on the Finite Element Method, which is applied during the conception and manufacturing of a real shunt reactor for GISs. Finally, the time- and frequency-domain simulations are compared with experimental data obtained from laboratory tests.

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