Online Gas-Insulated Switchgear Testing
Compact gas-insulated switchgear (GIS) represent a space-saving alternative to classic air-insulated installations. The low insulation distances are guaranteed by the high dielectric strength of insulating gas, the most common of which is sulfur hexafluoride (SF6). A perfect condition of the GIS is essential for its reliable operation. A malfunction of a system-critical GIS would be a calamity and therefore supervision is inevitable in order to make such an event as unlikely as possible.
The GOOSE signals of an IEC 61850 controlled substation contain the trip commands and stamps for the…
In-service testing methods First trip and Voltage Based Timing (VTM) show degradation accumulated…
During coil current measurement, the current signature curve of the command coils is being recorded…
Products for Online Gas-Insulated Switchgear Testing
State-of-the-art circuit breaker testing MV / HV
Substation Network Supervision with DANEO 400
Sensitive partial discharge testing on gas-insulated switchgear with UHF 800
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