Highly efficient power supply unit and method for supplying power using same
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United States of America Patent
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Jul 16, 2019
Grant Date -
Oct 26, 2017
app pub date -
Jul 7, 2017
filing date -
Feb 22, 2012
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Abstract
A more efficient power supply unit and a method for supplying power using same are disclosed. The power supply unit comprises a relay for switching alternating current power supplied from a plurality of sources; a direct current power supply for converting the switched current power to direct current power; and a controller for generating a switch signal to control the relay to switch the sources on the basis of the result for monitoring the alternating current power supplied from the sources.
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