High Temperature Superconducting Underground Cable
The purpose of this Project was to design, build, install and demonstrate the technical feasibility of an underground high temperature superconducting (HTS) power cable installed between two utility substations. In the first phase two HTS cables, 320 m and 30 m in length, were constructed using 1st generation BSCCO wire. The two 34.5 kV, 800 Arms, 48 MVA sections were connected together using a superconducting joint in an underground vault. In the second phase the 30 m BSCCO cable was replaced by one constructed with 2nd generation YBCO wire. 2nd generation wire is needed for commercialization because of inherent cost and performance benefits. Primary objectives of the Project were to build and operate an HTS cable system which demonstrates significant progress towards commercial progress and addresses real world utility concerns such as installation, maintenance, reliability and compatibility with the existing grid. Four key technical areas addressed were the HTS cable and terminations (where the cable connects to the grid), cryogenic refrigeration system, underground cable-to-cable joint (needed for replacement of cable sections) and cost-effective 2nd generation HTS wire. This was the world’s first installation and operation of an HTS cable underground, between two utility substations as well as the first to demonstrate a cable-to-cable joint, remote monitoring system and 2nd generation HTS.
- Research Organization:
- SuperPower, Inc., Schenectady, NY
- Sponsoring Organization:
- USDOE Assistant Secretary for Energy Efficiency and Renewable Energy (EE)
- DOE Contract Number:
- FC36-03GO13031
- OSTI ID:
- 975691
- Report Number(s):
- DOE/GO/13301-1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
24 POWER TRANSMISSION AND DISTRIBUTION
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
ARMS
CABLES
COMMERCIALIZATION
COMPATIBILITY
COST
CRYOGENICS
Cryogenic refrigeration system High temperature superconductivity HTS Operation Superconducting power cable design
demonstration & operation Underground cable Utility grid
DESIGN
INSTALLATION
JOINTS
MAINTENANCE
MONITORING
OPERATION
PERFORMANCE
POWER
REFRIGERATION
RELIABILITY
TEMPERATURE RANGE 0400-1000 K
UNDERGROUND
WELLS
WIRES
32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
ARMS
CABLES
COMMERCIALIZATION
COMPATIBILITY
COST
CRYOGENICS
Cryogenic refrigeration system High temperature superconductivity HTS Operation Superconducting power cable design
demonstration & operation Underground cable Utility grid
DESIGN
INSTALLATION
JOINTS
MAINTENANCE
MONITORING
OPERATION
PERFORMANCE
POWER
REFRIGERATION
RELIABILITY
TEMPERATURE RANGE 0400-1000 K
UNDERGROUND
WELLS
WIRES