On-load tap changer, tap-changing transformer for voltage regulation and method for implementing tap changer in the tap-changing transformer

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United States of America Patent

PATENT NO 9941064
SERIAL NO

14906331

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In an on-load tap changer (10) for controlling voltage of a tapped transformer (15) it is provided that

    the tapped transformer (15) has at least one regulatable phase (16) that has a first winding (20) and a second winding (30);the first winding (20) has a regulating winding (21) with even-numbered winding taps (23) and a main winding (22), and the second winding (30) has a regulating winding (31) with odd-numbered winding taps (33) and a main winding (32);the first winding (20) and the second winding (30) having the regulating windings (21, 31) of the even-numbered and of the odd-numbered winding taps (23, 33), are inductively coupled;the on-load tap changer (10) has a selector (40) for the alternating power-free preselection of the even-numbered or odd-numbered winding taps (23, 33) to be switched.

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Patent Owner(s)

Patent OwnerAddress
MASCHINENFABRIK REINHAUSEN GMBHFALKENSTEINSTRASSE 8 REGENSBURG D-93059

International Classification(s)

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  • 2014 Application Filing Year
  • G05F Class
  • 1081 Applications Filed
  • 922 Patents Issued To-Date
  • 85.30 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2014201520162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hammer, Christian Regensburg, DE 40 70
Raedlinger, Konrad Tegernheim, DE 2 10
Sachsenhauser, Andreas Mallersdorg-Pfaffenberg, DE 13 25
Schuster, Thomas Regensburg, DE 70 318
Weidinger, Max Regensburg, DE 2 4

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Patent Citation Ranking

  • 3 Citation Count
  • G05F Class
  • 14.88 % this patent is cited more than
  • 7 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges1044707224101211501 - 1011 - 2021 - 3031 - 4041 - 5061 - 7071 - 80100 +0255075100125150175200225250275300325350375400425450475500

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