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Title: Ultra high performance connectors for power transmission applications

Patent ·
OSTI ID:1127076

Disclosed are several examples of an apparatus for connecting the free ends of two electrical power transmission lines having conductor strands disposed around a central, reinforcing core. The examples include an inner sleeve having a body defining an inner bore passing through an axially-extending, central axis, an outer rim surface disposed radially outward from the central bore, and one or more axially-extending grooves penetrating the body at the outer rim surface. Also included is an outer splice having a tubular shaped body with a bore passing coaxially through the central axis, the bore defining an inner rim surface for accepting the inner sleeve. The inner bore of the inner sleeve accepts the reinforcement cores of the two conductors, and the grooves accept the conductor strands in an overlapping configuration so that a majority of the electrical current flows between the overlapped conductor strands when the conductors are transmitting electrical current.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725
Assignee:
UT-Battelle, LLC (Oak Ridge, TN)
Patent Number(s):
8,664,529
Application Number:
13/360,882
OSTI ID:
1127076
Country of Publication:
United States
Language:
English

References (9)

Splicing connector patent July 1990
Coupler patent March 2003
Compression formed connector for a composite conductor assembly used in transmission line installations and method of constructing the same patent October 2004
Multi-port compression connector with single tap wire access port patent February 2010
Electrical splice connector patent February 2010
Electrical splice connector patent-application July 2008
Compression Connectors for Stranded Aluminum Power Conductors journal July 2004
The Integrity of ACSR Full Tension Splice Connector at Higher Operation Temperature journal April 2008
The Lifetime Estimate for ACSR Single-Stage Splice Connector Operating at Higher Temperatures journal July 2011

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