Adjustable GIS partial discharge comprehensive defect simulation device

Abstract

The invention discloses an adjustable GIS partial discharge comprehensive defect simulation device which comprises a GIS test section, a conductor spike discharge simulation module, an air gap discharge simulation module, a metal particle discharge simulation module, a suspension electrode simulation module, a power supply module and a measurement module. The GIS test section is a test object withan observation window, the conductor spike discharge simulation module, the air gap discharge simulation module, the metal particle discharge simulation module and the suspension electrode simulationmodule are arranged in the GIS test section and used for providing adjustable defects of conductor spike discharge, air gap discharge, metal particle discharge and suspension electrode discharge forthe GIS test section, the severity degrees of the four defects are respectively adjustable, and the defects can be independently applied or applied in a combined manner; the power supply module is used for applying required voltage and current to the two ends of the GIS test section, and the measurement module is used for measuring the partial discharge waveform of the GIS test section. Accordingto the invention, the discharge defects can be independently applied to the test device, different discharge defects can be applied in a combined manner, and the severity of different discharge defects can be adjusted.

Description

technical field [0001] The invention belongs to the technical field of partial discharge simulation, and more specifically relates to an adjustable GIS partial discharge comprehensive defect simulation device. Background technique [0002] UHV substations have high voltage levels and complex on-site operating environments. Defects and deterioration of their insulation have a huge impact on the safe operation of the power grid. In recent years, hundreds of suspected partial discharge cases have been monitored and found, including more than 20 disintegration confirmed cases. Especially in the case of using a large number of gas insulated switchgear (GIS for short) equipment at present, due to the large number of gas chambers and low visibility, the monitoring of partial discharge of GIS equipment has become a concern for the safe operation of equipment and timely detection of equipment. An important technical means of internal failure. At present, for the partial discharge mo...

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Problems solved by technology

At present, for the partial discharge monitoring of GIS equipment, only the existence of partial discharge can be judged, and it is difficult to judge the specific defect type, and it is impossible to classify and identify different types and different degrees of partial discharge defects

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