US 11,942,244 B2
Surge protection apparatus and method for substation protective relays
Randy Horton, Alexandria, VA (US); Andrew John Phillips, Harrisburg, NC (US); and Charles Perry, Louisville, TN (US)
Assigned to Electric Power Research Institutem Inc., Charlotte, NC (US)
Filed by Electric Power Research Institute, Inc., Charlotte, NC (US)
Filed on Apr. 12, 2021, as Appl. No. 17/228,568.
Prior Publication US 2022/0328216 A1, Oct. 13, 2022
Int. Cl. H01C 7/12 (2006.01); H01C 1/02 (2006.01)
CPC H01C 7/12 (2013.01) [H01C 1/02 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A modular electromagnetic pulse (EMP) surge protection apparatus, comprising:
a housing;
electronics contained in the housing; and
a plurality of metal tabs extending outwardly from the housing, each of the plurality of metal tabs being electrically connected to the electronics and configured to connect directly to a terminal block of a relay panel in a substation, the plurality of metal tabs electrically connecting the terminal block to the electronics to provide EMP surge protection to the relay panel;
wherein each of the plurality of metal tabs includes at least one bend to allow each of the plurality of metal tabs to be inserted between a fastener and the terminal block for direct connection thereto.