- Patent Title: Tap changer and vacuum interrupter for a tap changer of this kind
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Application No.: US13878059Application Date: 2011-11-10
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Publication No.: US09607781B2Publication Date: 2017-03-28
- Inventor: Wolfgang Albrecht , Christian Hammer , Werner Hartmann , Silvio Kosse , Andreas Lawall , Roman Renz , Andreas Stelzer , Joerg Teichmann , Norbert Wenzel
- Applicant: Wolfgang Albrecht , Christian Hammer , Werner Hartmann , Silvio Kosse , Andreas Lawall , Roman Renz , Astrid Renz , Andreas Stelzer , Joerg Teichmann , Norbert Wenzel
- Applicant Address: DE Munich
- Assignee: SIEMENS AKTIENGESELLSCHAFT
- Current Assignee: SIEMENS AKTIENGESELLSCHAFT
- Current Assignee Address: DE Munich
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: DE102010053466 20101130
- International Application: PCT/EP2011/005641 WO 20111110
- International Announcement: WO2012/072181 WO 20120607
- Main IPC: H01H9/00
- IPC: H01H9/00 ; H01F29/04 ; H01H33/666

Abstract:
A tap changer for uninterrupted switching between winding taps of a tapped transformer has first and second load branches for each phase to be switched. Each load branch has a main vacuum switch and in parallel thereto a series connection of a switch-over resistance and a respective auxiliary vacuum switch. First and second vacuum switching tubes each contain the main vacuum switch of the respective first and second load branches and the auxiliary vacuum switch of the other of the load branches.
Public/Granted literature
- US20140034463A1 TAP CHANGER AND VACUUM INTERRUPTER FOR A TAP CHANGER OF THIS KIND Public/Granted day:2014-02-06
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