Electric rotating machine and its connecting method
US6844644B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 8, 2003 |
| Grant date | Jan 18, 2005 |
| Priority date | — |
| Expiry date | Jul 30, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P5/74
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In a method of connecting an electric rotating machine, a second predetermined number of feeders on each of which a total sum of a current flow is zeroed is selected when the second predetermined number of the feeders are interconnected at a neutral point by a third predetermined number of groups from among a first predetermined number of the feeders and each coil of the rotating machine is connected between a corresponding one of the first predetermined number of the feeders and a corresponding one of the second predetermined number of the feeders for each of the third predetermined number of the groups, a product between the second predetermined number and the third predetermined number corresponding to that between a number of current phases in the compound current for driving a corresponding one of rotors and a number of pole pairs of the corresponding one of the rotors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.