Control system for power stacks in a power converter, power converter with such control system and wind turbine with such power converter
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United States of America Patent
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Mar 1, 2016
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N/A
app pub date -
Jan 28, 2013
filing date -
Jan 27, 2012
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Abstract
A control system for one or more power stacks in a power converter is disclosed, each power stack comprising a plurality of electronic switches, said control system comprising one or more controllers, wherein a distributed clock signal from a real-time communication system is used as synchronization means for the switches in the power stacks. One or more controllers controlling the switching times of the switches in one or more power stacks may be connected directly to one or more real-time communication buses of the real-time communication system, using the distributed clock signal for synchronization of pulses when using the one or more power stacks for pulse-width modulation of a desired AC output voltage. Furthermore, a power converter comprising such a control system and a wind turbine comprising such a power converter are disclosed.
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