On-load tap changer
US9543096B2 · kind B2 · utility
3Cited by
5References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 2013 |
| Grant date | Jan 10, 2017 |
| Priority date | — |
| Expiry date | Oct 16, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P13/06
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to an on-load tap changer for switching among different winding taps of a step transformer without interruption according to the preamble of the first patent claim. The general inventive concept lies in actuating both the selector contact unit and the switching means for uninterrupted load switching by means of a common motor drive without an energy store being connected therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.