Buchanan Ingersoll & Rooney PC
Power conversion device for reliable control of circulating current while maintaining voltage of a cell
Each of a plurality of specified chopper cells which are some of a plurality of chopper cells included in each leg circuit in a power conversion device is configured as a full bridge. A control device controls operations of first and second switching elements of each specified chopper cell based on a circulating current which circulates through each leg circuit. The control device controls operations of third and fourth switching elements of each specified chopper cell based on a voltage of a capacitor of the specified chopper cell.
MITSUBISHI ELECTRIC CORPORATION
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Toshiyuki Ryosuke Takushi
Fujii Uda Jimichi