A VOLTAGE SOURCE CONVERTER AND A METHOD FOR OPERATION THEREOF

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United States of America Patent

APP PUB NO 20240291400A1
SERIAL NO

18573039

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Abstract

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A voltage source converter includes two half bridges each having two current valves connected in series to be connected to opposite poles of a DC source/load. A gate drive unit controls a semiconductor device of a current valve. An arrangement carries out voltage measurements for providing a value of DC voltage between the opposite poles. A voltage divider connected across the two current valves measures DC voltage between opposite poles and each voltage divider has an output connected to processing parts delivering a digital signal representing a value of the DC voltage between the poles. Two gate drive units send a digital signal to a calculating unit to carry out a quality estimation of the digital signals and to calculate a DC voltage value from the signals while giving each signal a weight corresponding to the quality value adhered thereto and then forming a weighted average value.

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Patent Owner(s)

Patent OwnerAddress
ALSTOM HOLDINGS48 RUE ALBERT DHALENNE SAINT-OUEN-SUR-SEINE 93400

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
HOLMBERG, Johnny Hallstahammar, SE 12 215
JANSSON, Magnus Kvicksund, SE 9 43
VELANDER, Erik Västerås, SE 1 0

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