Patent ID: 9396866
Filing Date: 2016-07-19
CPC Classification: G05F,H01F,H02H

Claim Text:
1. A device for mitigating the Geomagnetically Induced Currents, said device comprising an electrical circuit, said circuit comprising: a) a surge arrester; b) a normally-closed ground switch; c) a first connection for electrically connecting only, exclusively and directly the surge arrester to system neutral or ground section; d) a second connection for electrically connecting only and exclusively the normally-closed switch directly to the system neutral or ground section; e) a third connection for electrically connecting the surge arrester to the normally closed ground switch; f) A forth connection for electrically connecting the third connector to the transformer star winding neutral grounding section and; wherein said surge arrester avoids the requirement to have specific power equipment or elements including capacitors, condensers and/or resistors, exclusively committed to blocking Geomagnetically Induced Currents in addition to said surge arrester.