On-load tap changer for a sequence switch
US6998547B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 10, 2004 |
| Grant date | Feb 14, 2006 |
| Priority date | — |
| Expiry date | Mar 10, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H9/0016
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A load changeover switch for a tap changer with two permanent main contact pairs for each phase to be switched, wherein the fixed contacts thereof are each time bridged over by a movable permanent main contact. The fixed permanent main contacts consist of a plurality of contact plates, which are articulated by means of contact springs, in the manner that the direction of deflection of the individual contact plates corresponds in each instance with the direction of impinging of the movable permanent main contact.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.