Black start of a multilevel voltage source converter
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United States of America Patent
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May 30, 2017
Grant Date -
Jan 28, 2016
app pub date -
Dec 19, 2011
filing date -
Dec 19, 2011
priority date (Note) -
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Abstract
A voltage source converter includes a black start control unit and cells, where each cell includes a first switch between a first end of a cell capacitor and a first cell terminal, a second switch between a second end of the cell capacitor and the first cell terminal, where a second cell terminal is provided via the first or the second end of the cell capacitor, a first power supply unit and a second power supply unit, where the black start control unit is configured to perform, after the initial application of a DC voltage to a cell terminal of a cell and the subsequent initial charging of the chargeable power supply unit of one of the switches, charging of an uncharged power supply unit of the other switch through repeatedly turning on and off the switch with initially charged power supply unit.
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