Method and apparatus including multi-drive configurations for medium voltage loads
US7535738B2 · kind B2 · utility
11Cited by
6References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 23, 2006 |
| Grant date | May 19, 2009 |
| Priority date | — |
| Expiry date | Jul 20, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02M5/458
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for converting X phase intermediate voltages on X intermediate lines to output voltage for driving a single three phase load, the apparatus comprising a positive DC bus, a negative DC bus and first and second three phase drives that each include a rectifier section and an inverter section, the rectifier sections each linked to a separate three of the X intermediate lines and to the positive and negative DC buses and the inverter linked to each of the positive and negative DC buses and to the single phase load such that each of the drives has a common positive DC bus and a common negative DC bus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.