Uninterruptable power supply
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United States of America Patent
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Jun 28, 2016
Grant Date -
Oct 29, 2015
app pub date -
Apr 29, 2014
filing date -
Apr 29, 2014
priority date (Note) -
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Abstract
An apparatus including a plurality of transformers each having a primary winding and a secondary winding where the secondary windings are connected in series, a battery, a plurality of switches, each coupled to one of the plurality of transformers, the switches intermittently closes to complete a circuit between the battery and the primary winding of the one transformer and a processor that individually activates the respective switches of the plurality of transformers in a predetermined order to generate an alternating current voltage across an output of the series connected secondary windings.
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