Columbus, Ohio HTS Triax Project
Project Info
- Location = AEP-Bixby substation, Columbus, OH
- In Service Date = 6 Aug 2006
- Voltage = 13.2 kV
- Current = 3.0 kA
Project Partners
- Ultera (Southwire & nkt cables)
- US-DOE
- AEP
- ORNL
- Praxair
- American Superconductor
Project Profile
Project Summary
Southwire, nkt cables and American Electric Power (AEP) teamed up to demonstrate the viability of the newly created HTS Triax cable design. The Triax cable provides the link between the step-down transformer and the entire distribution substation bus load. In August 2006, 200 meters of HTS Triax was energized to provide power to 8,600 residential, commercial, and industrial customers.
Results
In over two and half years of successful operation of the HTS Triax cable, the system has withstood network faults in excess of 17 kA without being taken out of service, and it has operated at over 90% of its design rating. This project also demonstrated the first installation of a HTS cable joint in field and proved the viability of an underground cable installation into a duct bank.
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