Superconducting cable and superconducting cable line using the same
US7151225B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 20, 2004 |
| Grant date | Dec 19, 2006 |
| Priority date | — |
| Expiry date | Nov 15, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49014
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is a superconducting cable having a structure such that cable cores, each having a superconducting layer, are housed in a thermal insulation pipe and the superconducting layer of each cable core has portions having different critical current values. When an excessive current flows in the superconducting layer in case of a short-circuit failure, the current exceeds the critical current value of the portion having a smaller critical current value first, which results in damage to the portion, suppressing the occurrence of damage to the other normal portion. A superconducting cable line using this superconducting cable and a splitter for accommodating the cable cores therein is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.