<p>A device has a converter which is connected to a direct voltage circuit through a short-circuit protection unit. The short-circuit protection unit is arranged at least partially in the direct voltage circuit and is provided in the direct voltage circuit to suppress short-circuit current flowing through the converter. The device contains one or more controllable power semiconductors, wherein a protection element is arranged in parallel to at least one of the controllable power semiconductors. The device prevents the negative effects of a short circuit occurring in the direct voltage network in a particularly reliable manner. For this purpose, the protection element is an energy store.</p>
申请公布号
EP2338214(A1)
申请公布日期
2011.06.29
申请号
EP20080802108
申请日期
2008.09.05
申请人
SIEMENS AKTIENGESELLSCHAFT
发明人
DOMMASCHK, MIKE;DORN, JOERG;EULER, INGO;KARLECIK-MAIER, FRANZ;LANG, JOERG;TU, QUOC-BUU;WITTSTOCK, CARSTEN;WUERFLINGER, KLAUS