Patent ID: 11863065
Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 17:
18. The power module according to claim 12, wherein in the N cells,
if any of the cells do not have a fault, the cell selects to enter the modulation mode;
if any of the cells have a fault, and if the fault is an open circuit fault of the bidirectional switching unit and the number of cells in the non-controlled rectifying mode in the N cells is less than M2, the cell with fault selects to enter the non-controlled rectifying mode, otherwise the system stops; and
if any of the cells have a fault, and if the fault is not an open circuit fault of the bidirectional switching unit and the number of cells in the bypass mode in the N cells is less than M1, the cell with fault selects to enter the bypass mode, otherwise the system stops.