초록 ▼

The invention relates to a power switch cabinet of a device for producing electric energy. The technical object of obtaining optimum scalability and cooling of a power switch cabinet despite little space being required is achieved according to the invention in that the power switch cabinet has a mac

The invention relates to a power switch cabinet of a device for producing electric energy. The technical object of obtaining optimum scalability and cooling of a power switch cabinet despite little space being required is achieved according to the invention in that the power switch cabinet has a machine connection, a power module and a mains connection, wherein the power module has a machine converter, a mains converter, a direct voltage intermediate circuit and a chopper, and the arrangement of the components substantially corresponds to the direction of the power flow.

대표청구항 ▼

1. Power switch cabinet of a device for producing electric energy, wherein the power switch cabinet comprises a machine connection,a power module anda mains connection,wherein the power module hasa machine converter,a mains converter,a direct voltage intermediate circuit anda chopper,and the arrange

1. Power switch cabinet of a device for producing electric energy, wherein the power switch cabinet comprises a machine connection,a power module anda mains connection,wherein the power module hasa machine converter,a mains converter,a direct voltage intermediate circuit anda chopper,and the arrangement of the components substantially corresponds to the direction of the power flow. 2. Power switch cabinet according to claim 1, wherein the power switch cabinet further has a decentralised control unit. 3. Power switch cabinet according to claim 1, wherein the components are arranged substantially linearly in the sequence of: machine connection,machine converter,direct voltage intermediate circuit with chopper,mains converter, andmains connection. 4. Power switch cabinet according to claim 1, wherein the components are arranged substantially in the vertical direction, in particular from top to bottom. 5. Power switch cabinet according to claim 1, wherein the power switch cabinet is connected via associated secondary windings of one or a plurality of transformers to the mains. 6. Power switch cabinet according to claim 1, wherein the power module has a plate-shaped direct current bus bar, which on a first side has power switches and a chopper and on a second side capacitors of the direct voltage intermediate circuit. 7. Power switch cabinet according to claim 1, wherein the power switch cabinet has a dU/dt filter. 8. Power switch cabinet according to claim 1, wherein the power switch cabinet has a line choke. 9. Power switch cabinet according to claim 1, wherein the power switch cabinet upstream of the mains connections and/or the machine connections, has devices for electrical isolation of the power switch cabinet. 10. Power switch cabinet according to claim 1, wherein the power switch cabinet has a current and/or voltage limitation device. 11. Power switch cabinet according to claim 1, wherein the power switch cabinet has an emergency power supply. 12. Power switch cabinet according to claim 1, wherein the power switch cabinet has a cooling device, in particular a heat exchanger. 13. Power switch cabinet according to claim 12, wherein the cooling device has a heat-pipe. 14. Power switch cabinet according to claim 12, wherein the cooling device has at least one fan arranged directly below the capacitors of the direct voltage intermediate circuit. 15. Power switch cabinet according to claim 1, wherein the power switch cabinet is hermetically sealed from the ambient air. 16. Device for producing electric energy, wherein the device comprises a power switch cabinet according to claim 1. 17. Device for producing electric energy according to claim 16, wherein the device is designed as a wind turbine with a generator, in particular as a wind turbine of an offshore wind farm.