Converter arm and associated converter device
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United States of America Patent
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Feb 7, 2017
Grant Date -
Aug 13, 2015
app pub date -
Oct 1, 2012
filing date -
Oct 1, 2012
priority date (Note) -
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Abstract
It is presented a converter arm for power conversion. The converter arm comprises: a plurality of converter cells, wherein each converter cell comprises a plurality of semiconductor switches, an energy storage element and at least three control signal connections arranged to control the conducting state of the plurality of semiconductor switches. Each converter cell is connected to receive a control signal from at least three entities via said control signal connections, wherein at least two of the three entities are neighboring converter cells, and each converter cell is arranged to forward a control signal to all connected neighboring converter cells via said control signal connections. A corresponding converter device is also presented.
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