MEE - Middle East Energy 2025Products & Services LiBo (GIS / GIL)

LiBo (GIS / GIL)

Exhibitor
Vogl Electronic GmbH

The main task of the optoelectronic arc detection system (LiBo) is to locate arc faults in gas-insulated switchgear safely and accurately. In the event of an arc fault, only short interruptions to operation occur and the availability of the switchgear is increased.

For this purpose, light sensors monitor the individual gas compartments. If an arc occurs, the signal is transmitted via a fiber-optic cable to the electronic unit, which triggers a corresponding error message in the substation itself and in the SCADA system. As a result, affected gas compartments can be isolated immediately before significant damage can occur.

With the precise localization of the fault down to a single gas compartment, appropriate measures can be taken immediately to restore uninterrupted operation. Any consequential damage during the switching process can be prevented by knowing the exact location of the defective gas compartments.

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