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Impulse Test and Simulation Analysis of 2m Rod-Plane Long Air Gap

As a typical non-uniform gap, the modeling and Simulation of rod-plane gap discharge process and physical parameters test are of great significance to the study of long air gap discharge mechanism and the design of external insulation for UHV transmission project. In order to study the discharging mechanism of rod-plane gap, this paper models the discharging process of 2m rod-plane gap and conducts optical observation and electric field measurement experiments on the discharging process of 2m rod-plane gap under switching impulse voltage. The physical parameters and development characteristics of the lead discharging are obtained. The data obtained is compared with the model data. The correctness of the model is verified.