ON-LOAD TAP CHANGER
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United States of America Patent
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Issued Date -
Oct 22, 2015
app pub date -
Mar 25, 2013
filing date -
Apr 20, 2012
priority date (Note) -
Abandoned
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Abstract
The invention relates to an on-load tap changer for switching among different winding taps of a step transformer without interruption according to the preamble of the first patent claim. The general inventive concept lies in actuating both the selector contact unit and the switching means for uninterrupted load switching by means of a common motor drive without an energy store being connected therebetween.
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