Abstract: A converter has an AC side to connect to an AC network. A converter control is configured to set a current reference limit to limit a converter current. The converter control is configured to reduce the limit in case a fault is detected in the AC network. There is also described a combination of the converter in a power system with a renewable power source and a corresponding method of operating a converter in a power system with a renewable power source.

Abstract: A device for preparing a high-voltage direct current transmission includes a first busbar which is connectable to a plurality of first energy generation or consumer units and a second busbar which is connectable to a plurality of second energy generation or consumer units. A transformer system includes a first primary coil which is connectable to the first busbar, a second primary coil which is connectable to the second busbar, and a secondary coil system which is inductively coupled to the first primary coil and the second primary coil to transform power routed on the first and second busbars to increased AC voltage. A converter system is connected to the secondary coil system to convert the increased AC voltage into DC voltage for the high-voltage direct current transmission. A converter station and an energy providing system are also provided.

Abstract: A device for preparing a high-voltage direct current transmission includes a first busbar which is connectable to a plurality of first energy generation or consumer units and a second busbar which is connectable to a plurality of second energy generation or consumer units. A transformer system includes a first primary coil which is connectable to the first busbar, a second primary coil which is connectable to the second busbar, and a secondary coil system which is inductively coupled to the first primary coil and the second primary coil to transform power routed on the first and second busbars to increased AC voltage. A converter system is connected to the secondary coil system to convert the increased AC voltage into DC voltage for the high-voltage direct current transmission. A converter station and an energy providing system are also provided.

Abstract: Computer system configured to generate an engineering work-flow, said system comprising a first database which stores a library of engineering patterns and a second database which stores a library of engineering tool functions of an engineering tool, wherein a sequence of automatically concatenated workflow steps forming said engineering workflow is generated by mapping for each workflow step a selected engineering pattern to a selected tool function of said engineering tool.

Abstract: Computer system configured to generate an engineering workflow, said system comprising a first database which stores a library of engineering patterns and a second database which stores a library of engineering tool functions of an engineering tool, wherein a sequence of automatically concatenated workflow steps forming said engineering workflow is generated by mapping for each workflow step a selected engineering pattern to a selected tool function of said engineering tool.