Patent ID: 11955898
Assignee: DELTA ELECTRONICS, INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 13:
14. The charging and discharging device according to claim 13, wherein the first port is electrically connected to a first charging and discharging unit, the second port is electrically connected to a second charging and discharging unit, the third port is electrically connected to a third charging and discharging unit, and when the charging and discharging device is in one of a plurality of working modes where the first charging and discharging unit charges the second charging and discharging unit, where the first charging and discharging unit charges the second charging and discharging unit and the third charging and discharging unit simultaneously, where the second charging and discharging unit is discharged to the first charging and discharging unit, and where the second charging and discharging unit is discharged to the first charging and discharging unit while charging the third charging and discharging unit, the voltages at the first port and the second port are controlled by controlling a phase shift or a switching frequency or a combination of the phase shift and the switching frequency of the first conversion circuit and the second conversion circuit, while the voltage at the third port is controlled by controlling a phase shift of the first conversion circuit or the second conversion circuit with the third conversion circuit.