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Title: High Voltage Testing of a 5-meter Prototype Triaxial HTS Cable

Abstract

High voltage tests were performed on a 5-m long prototype triaxial HTS cable (supplied by Ultera) at ORNL in preparation for installation of a 200-m HTS cable of the same design at the AEP utility substation in Columbus, Ohio. The triaxial design comprises three concentric phases and shield around a common former with the phase to phase dielectric at cryogenic temperature. Advantages of this design include increased current density, a reduced amount of HTS tape needed, and reduced heat load. The phase to phase voltage will be 13.2 kVrms (7.6 kVrms to ground). Preliminary testing was done on half-scale and full-scale terminations which successfully passed AC withstand, partial discharge, and impulse tests. High voltage tests conducted on the 5-m cable with the cable straight and after bending 90 degrees were ac withstand to 39 kVrms, partial discharge inception, and a minimum of 10 positive and 10 negative lightning waveform impulses at 110 kV. Phase to phase insulation was tested by applying high voltage to each phase one at a time with all the other phases grounded. Partial discharge data will be presented. The 5-m prototype triaxial HTS cable passed all the HV tests performed, with a PD inception voltage significantlymore » above the required voltage.« less

Authors:
 [1];  [1];  [1];  [1];  [1];  [1];  [1];  [1]
  1. ORNL
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
OE USDOE - Office of Electric Transmission and Distribution
OSTI Identifier:
931954
DOE Contract Number:  
DE-AC05-00OR22725
Resource Type:
Conference
Resource Relation:
Conference: Applied Superconductivity Conference - ASC 2006, Seattle, WA, USA, 20060827, 20060901
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; BENDING; CABLES; CRYOGENICS; CURRENT DENSITY; DESIGN; DIELECTRIC MATERIALS; LIGHTNING; ORNL; SHIELDS; SUPERCONDUCTIVITY; TESTING; HTS cable; high voltage; dielectrics; partial discharge.

Citation Formats

Sauers, Isidor, James, David Randy, Ellis, Alvin R, Tuncer, Enis, Pace, Marshall O, Gouge, Michael J, Demko, Jonathan A, and Lindsay, David T. High Voltage Testing of a 5-meter Prototype Triaxial HTS Cable. United States: N. p., 2007. Web.
Sauers, Isidor, James, David Randy, Ellis, Alvin R, Tuncer, Enis, Pace, Marshall O, Gouge, Michael J, Demko, Jonathan A, & Lindsay, David T. High Voltage Testing of a 5-meter Prototype Triaxial HTS Cable. United States.
Sauers, Isidor, James, David Randy, Ellis, Alvin R, Tuncer, Enis, Pace, Marshall O, Gouge, Michael J, Demko, Jonathan A, and Lindsay, David T. Mon . "High Voltage Testing of a 5-meter Prototype Triaxial HTS Cable". United States. doi:.
@article{osti_931954,
title = {High Voltage Testing of a 5-meter Prototype Triaxial HTS Cable},
author = {Sauers, Isidor and James, David Randy and Ellis, Alvin R and Tuncer, Enis and Pace, Marshall O and Gouge, Michael J and Demko, Jonathan A and Lindsay, David T},
abstractNote = {High voltage tests were performed on a 5-m long prototype triaxial HTS cable (supplied by Ultera) at ORNL in preparation for installation of a 200-m HTS cable of the same design at the AEP utility substation in Columbus, Ohio. The triaxial design comprises three concentric phases and shield around a common former with the phase to phase dielectric at cryogenic temperature. Advantages of this design include increased current density, a reduced amount of HTS tape needed, and reduced heat load. The phase to phase voltage will be 13.2 kVrms (7.6 kVrms to ground). Preliminary testing was done on half-scale and full-scale terminations which successfully passed AC withstand, partial discharge, and impulse tests. High voltage tests conducted on the 5-m cable with the cable straight and after bending 90 degrees were ac withstand to 39 kVrms, partial discharge inception, and a minimum of 10 positive and 10 negative lightning waveform impulses at 110 kV. Phase to phase insulation was tested by applying high voltage to each phase one at a time with all the other phases grounded. Partial discharge data will be presented. The 5-m prototype triaxial HTS cable passed all the HV tests performed, with a PD inception voltage significantly above the required voltage.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Mon Jan 01 00:00:00 EST 2007},
month = {Mon Jan 01 00:00:00 EST 2007}
}

Conference:
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