POWER CONVERTERS INCLUDING LLC CONVERTERS AND METHODS OF CONTROLLING THE SAME
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United States of America Patent
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Issued Date -
Dec 25, 2014
app pub date -
Jun 20, 2014
filing date -
Jun 20, 2013
priority date (Note) -
Abandoned
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Abstract
Photovoltaic (PV) power converters including an LLC converter stage are described. A PV power converter includes a LLC converter stage and a controller. The LLC converter stage includes an input for receiving a direct current (DC) power input from a PV module, a first transformer having a primary winding and a secondary winding and defining a DC side and an alternating current (AC) side of the PV power converter, a plurality of switches on the DC side of the first transformer, and an output coupled to the secondary winding of the first transformer to provide a DC power output. The plurality of switches is coupled between the primary winding of the first transformer and the input. The controller is located on the AC side of the PV power converter. The controller is operatively connected to the plurality of switches and configured to control operation of the plurality of switches.
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