Title:
負荷時タップ切換装置
Document Type and Number:
Japanese Patent JP5823501
Kind Code:
B2
Abstract:
The invention relates to an on-load tap changer for switching among winding taps of a step transformer without interruption. According to the invention, in each auxiliary current branch of the on-load tap changer, which operates with vacuum switching tubes as switching elements, additional switches are provided in series with the vacuum switching tubes and the respective winding tap. Said additional switches cause a complete galvanic isolation of the vacuum switching tubes in the auxiliary current branches in steady-state operation.
Inventors:
Donal Dieter
Application Number:
JP2013509454A
Publication Date:
November 25, 2015
Filing Date:
February 23, 2011
Export Citation:
Assignee:
Maschinenfreek Reinhausen Geselsyaft Mitz Besilenktel Haftung
International Classes:
H01F29/04
Domestic Patent References:
| JP2007227908A | ||||
| JP2008135651A | ||||
| JP2010080590A | ||||
| JP9510052A | ||||
| JP7335455A | ||||
| JP2013530520A |
Attorney, Agent or Firm:
Mitsufumi Esaki
Blacksmith
Ryota Imamura
Kiyota Eisho
Blacksmith
Ryota Imamura
Kiyota Eisho