Armature winding for large turbine generator
US4678931A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 29, 1986 |
| Grant date | Jul 7, 1987 |
| Priority date | — |
| Expiry date | Jul 29, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49012
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A multi-layer armature winding for large turbine generator is wound with individual diamond coils around to the point where the sides of initially wound diamond coils lying in upper armature slot positions interfer with the placement in lower slot positions of the coil side of additional diamond coils to complete the winding. To avoid having to "raise the jump" the winding is completed using bar coils, individual bars of which having been laid in those lower slot positions prior to the placement of any diamond coils. The remaining bars are laid in the vacent upper slot positions and then electrically joined with the initially laid bars to complete the individual bar coils.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.