A charging control unit 103 for providing charging currents to a plurality of devices 105 (for example, electric vehicles), to charge rechargeable electric batteries 106 in said devices, the control unit comprising, an AC-DC converter configured to convert an AC power supply 101 to a DC charging current, a plurality of connecting ports 104a-d wherein each port is configured to provide the charging current to a corresponding one of the devices. A controller, arranged between the converter and the plurality of connecting ports is configured to determine for each device, data comprising at least one of a charging state of that device and an available charge time of that device select one of the plurality of connecting ports based on the device data and provide the charging current to the selected connecting port. Selecting one of the charging ports may involve determining a charging schedule based on the data.
Apparatus and methods
2017-12-13
Patent
Electronic Resource
English