Single phase operation of a three-phase drive system
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United States of America Patent
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Mar 24, 2015
Grant Date -
Feb 6, 2014
app pub date -
Jul 31, 2012
filing date -
Jul 31, 2012
priority date (Note) -
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Abstract
Single-phase voltage operation techniques are provided for a three-phase drive system. A drive system may include a rectifier configured to couple to a three-phase AC voltage source. The rectifier may be configured to convert AC voltage from the three-phase AC voltage source to a direct current (DC) voltage. The drive system may also include a controller configured to send a plurality of switching signals to a plurality of switches in the rectifier such that the plurality of switching signals minimizes a current provided to the rectifier when only a single-phase of the three-phase AC voltage source is available.
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