Light-weight, efficient superconducting magnetic energy storage systems
US9767948B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 28, 2015 |
| Grant date | Sep 19, 2017 |
| Priority date | — |
| Expiry date | May 28, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01F6/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Novel configurations to improve the performance of superconducting magnetic energy storage system are described. The use of poloidal grading of the conductor, enabled by the use of 2nd generation YBCO conductors, is described. Methods to improve system performance when limited by the critical field of the superconductor are described, using optimized thin winding pack and thick winding pack toroidal geometries, where a uniform or near uniform magnetic field can be generated in a torus. Configurations that minimize structural requirements, weight and costs are also described. Cryostat innovations useful with toroidal systems are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.