Monitor Detects Geomagnetically Induced Current

ECLIPSE has the ability to detect geomagnetically induced current (GIC), or geomagnetic disturbances (GMD) by monitoring DC load through the transformer neutral. GIC/GMD Detection is is accomplished using a proprietary Hall-Effect sensor supplied by APT, which is mounted on the neutral of the transformer.

For more advanced GIC detection, you can also apply two high-speed CTs on the windings to monitor harmonic content. Using these two quantities, ECLIPSE can provide comprehensive and reliable GIC/GMD detection and valuable alarm information to your operators. Armed with accurate knowledge of the extent of GIC, operators can make intelligent decisions toward mitigating the harmful effects of GIC/GMD on the power system.

Eclipse transformer monitor

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