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AssigneeGE Energy Power Conversion GmbH
InventorsRoland Jakob, Piotr Sadowski, Thomas Bruckner, Thomas Basler
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A method for operating an electrical power rectifier. The power rectifier comprises at least two branches that are connected in parallel to each other, each of the branches comprising at least two power semiconductor elements that are connected in series. The collector-emitter voltage Vce(t) and/or the collector current Ic(t) of one of the power semiconductor elements is detected by means of the method. Furthermore, it is determined whether at least one of the following conditions is met: dVce(t)/dt<(dVce/dt)crit, and/or dIc(t)/dt<(dIc/dt)crit, and or Ic(t13 ent)<Iccrit. If at least one of the aforementioned conditions has been met, the gate-emitter voltage of at least one of the power semiconductor elements is increased.
A method for operating an electrical power rectifier, wherein the power rectifier comprises at least two branches that are connected in parallel to each other, each of the branches comprising at least two power semiconductor elements connected in series, the method comprising:
An electrical power rectifier comprising:
Dependencies are inferred from the claim text.