Patent · US Active

Tap changer with vacuum interrupters

US9293273B2 · kind B2 · utility

1Cited by

2References

3Claims

0Family size

Assignees

MASCHINENFABRIK REINHAUSEN GMBH · DE
Siemens Aktiengesellschaft · DE

Inventors

Wolfgang Albrecht · Wenzenbach, DE
Christian Hammer · Regensburg, DE
Christoph Heynen · Wenzenbach, DE
Rainer Frotscher · Regenstauf, DE
Christian Kotz · Wien, AT
Andreas Sachsenhauser · Mallersdorf-Pfaffenberg, DE
Christian Pircher · Lappersdorf, DE
Werner Hartmann · Hamburg, DE
Sylvio Kosse · Erlangen, DE
Andreas Lawall · Berlin, DE
Roman Renz · Berlin, DE
Andreas Stelzer · Linz, AT
Joerg Teichmann · Alzenau, DE
Norbert Wenzel · Erlangen, DE

Key dates

Filing date	Jan 4, 2012
Grant date	Mar 22, 2016
Priority date	—
Expiry date	Apr 1, 2032

Classification

Technology area (CPC H)Electricity
CPC primaryH02P13/06
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to a tap changer having vacuum interrupters for switching over between winding taps of a tapped transformer without interruption. The tap changer according to the invention having vacuum interrupters is based on the general idea of combining the functionalities of at least one conventional vacuum switching contact which switches under load and a further mechanical switching means according to the prior art in just one single vacuum interrupter with two separately moving contact systems.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.