US 12,394,969 B2
High temperature superconductor cable termination
Owen R. Christianson, Reston, VA (US); and Michael J. Mielnik, Palmyra, VA (US)
Assigned to NDI Engineering Company, Thorofare, NJ (US)
Filed by NDI Engineering Company, Thorofare, NJ (US)
Filed on Mar. 7, 2023, as Appl. No. 18/118,522.
Claims priority of provisional application 63/318,873, filed on Mar. 11, 2022.
Prior Publication US 2023/0291195 A1, Sep. 14, 2023
Int. Cl. H02G 15/00 (2006.01); H02G 15/06 (2006.01); H02G 15/34 (2006.01)
CPC H02G 15/34 (2013.01) [H02G 15/06 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A high temperature superconducting (HTS) cable terminator comprising:
a first chamber having disposed therein:
a terminator block electrically connected to an HTS cable conductor received within the first chamber,
a cryogenically sealed chamber,
a cryogenically sealed chamber conductor electrically connected to the HTS cable conductor via the terminator block, the cryogenically sealed chamber conductor having a first portion cryogenically sealed within the cryogenically sealed chamber and an end electrically connected to one or more electrical output conductors, and
one or more refrigerant lines configured to feed gas refrigerant into the cryogenically sealed chamber, the gas refrigerant configured to absorb heat from the cryogenically sealed chamber; and
a second chamber connected to the first chamber, the second chamber having disposed therein a heat exchanger thermally coupled to the one or more refrigerant lines and configured to extract heat from the gas refrigerant.