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OTEM
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Detecting partial discharges in gas insulated switchgear is the primary purpose of the optical partial discharge system. As a result, considerable damage up to the worst-case scenario, the so-called "blackout", can be avoided. The optical partial discharge system also eliminates the need for time-consuming localization efforts by precisely identifying the affected gas compartment within the switchgear. As such, our optical systems can be a valuable addition to your existing monitoring systems.
The OTEM partial discharge monitoring system reliably monitors the condition of your GIS and enables you to take preventive action. This allows affected components to be replaced or repaired at an early stage without causing a failure or major damage (e.g. due to the development of an arc fault) to the system.
OTEM is particularly suitable if your GIS already is equipped with light sensors. In this case, the switchgear can be upgraded cost-effectively and efficiently. For systems without a dedicated light sensor, the system can be installed on standard glass windows (e.g. available on the disconnectors) . This makes the system suitable for new and existing installations, particularly in the high-voltage sector.
Key features
» Precise detection down to the individual gas compartment
» Exact diagnosis of the specific fault
» Suitable for DC and AC voltage systems
» Insensitivity to electromagnetic interference from various sources (e.g. UHF signals, radio/TV, mobile radio, electrical machines)
» Diagnostics also possible during operation (especially during switching operations)
» Specifically engineered for switchgear in high-voltage environments
» Easy installation and operation
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