Patent · US Expired

Thyristor tap changer

US6856122B2 · kind B2 · utility

12Cited by

6References

4Claims

0Family size

Assignee

MASCHINENFABRIK REINHAUSEN GMBH · DE

Inventors

Dieter Dohnal · Lappersdorf, DE
Hans-Henning Lessmann-Mieske · Neutraubling, DE

Key dates

Filing date	Dec 15, 2001
Grant date	Feb 15, 2005
Priority date	—
Expiry date	Dec 15, 2021

Classification

Technology area (CPC H)Electricity
CPC primaryH01H9/541
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A thyristor transformer has a mechanical tap selector and a diverter switch with thyristors. The tap selector is mounted in the oil-filled housing or tank of the transformer and the diverter switch is mounted in a separate housing laterally attached to the tank.

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