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Energy Storage: Bidirectional Direct Current Converters

Search All Applications in Energy Storage: Bidirectional Direct Current Converters


Application 20150256081


Published 2015-09-10

Modular Multilevel Dc/dc Converter For Hvdc Applications

A DC converter is suitable for continuous operation for connecting high-voltage DC networks having different voltages. The DC converter has a first partial converter and a second partial converter, which are connected in series with each other, forming a converter series circuit. The converter series circuit extends between the DC terminals of a DC connection. The second partial converter extends between the DC terminals of a second DC connection. The first partial converter and the second partial converter are connected to each other via a power exchange device, such that the exchange of electrical power between the first partial converter and the second partial converter is made possible via the power exchange device.


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2 Independent Claims

  • Independent Claim 1-16. (canceled)

  • Independent Claim 17. A DC-to-DC voltage converter for connecting HVDC grids having different voltages, the DC-to-DC voltage converter comprising: a first partial converter and a second partial converter connected in series with one another to form a converter series circuitsaid converter series circuit extending between DC voltage terminals of a first DC voltage connection and said second partial converter extending between DC voltage terminals of a second DC voltage connectionand a power exchange device connecting said first partial converter and said second partial converter to one another for enabling an exchange of electric power between said first partial converter (8) and said second partial converter via said power exchange device.