US 12,255,461 B2
Charging station with high frequency distribution network
Francisco Canales, Baden-Däwil (CH); and Ki-Bum Park, Fislisbach (CH)
Assigned to ABB Schweiz AG, Baden (CH)
Filed by ABB E-mobility B.V., Delft (NL)
Filed on Jul. 2, 2021, as Appl. No. 17/366,488.
Application 17/366,488 is a continuation of application No. PCT/EP2019/084452, filed on Dec. 10, 2019.
Claims priority of application No. 19150044 (EP), filed on Jan. 2, 2019.
Prior Publication US 2021/0336440 A1, Oct. 28, 2021
Int. Cl. H02J 3/34 (2006.01); B60L 53/122 (2019.01)
CPC H02J 3/34 (2013.01) [B60L 53/122 (2019.02); B60L 2210/10 (2013.01); B60L 2210/30 (2013.01); B60L 2210/42 (2013.01); H02J 2310/48 (2020.01)] 14 Claims
OG exemplary drawing
 
1. A charging station for electric vehicles, the charging station comprising:
a central part configured to convert a grid AC voltage from an electrical grid into a high frequency AC voltage;
a distribution network configured to distribute the high frequency AC voltage; and
a plurality of coils directly connected to the distribution network, wherein each of the plurality of coils is configured to transfer energy to an electrical vehicle, wherein the central part comprises at least one transformer at an output side, which is connected to the distribution network, the central part comprises a grid side AC-to-DC converter for receiving the grid AC voltage and at least one network side DC-to-AC converter, which are interconnected via a DC link, and wherein each of the DC-to-AC converters comprises two converter units, each of the two converter units comprising an output, which are connected via the transformer of the central part.