High-voltage DC transmission system and method
US4195334A · kind A · utility
10Cited by
2References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 25, 1977 |
| Grant date | Mar 25, 1980 |
| Priority date | — |
| Expiry date | Nov 25, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S505/867
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A high-voltage DC transmission system and method is characterized by a minimum filtering requirement as to ripple as well as to surge and harmonics. Use of a superconducting generator directly coupled to rectifying means eliminates the requirement of a step-up transformer and allows operation at high frequency for minimizing ripple (and related filtering).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.