POWER CONVERTER FOR AN ELECTRICAL MACHINE AND METHOD OF OPERATING THE MACHINE
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United States of America Patent
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Issued Date -
Mar 27, 2014
app pub date -
Mar 15, 2013
filing date -
Sep 25, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A power converter has a first electrical circuit including a direct current (dc) voltage source, a first phase winding of an electrical machine, and a first switch operating in a conductive state. A second electrical circuit includes the first phase winding, a first unidirectional current device, and a capacitive storage element. A third electrical circuit includes the capacitive storage element, a second switch operating in a conductive state, and the first phase winding. A fourth electrical circuit includes the first phase winding, the dc voltage source, and a second unidirectional current device.
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