Charger for a battery plurality of coupled chargers and method of operating

摘要

The present invention relates to a network of chargers for a battery of an electric vehicle comprising a 1st power connection for exchanging power with a power source a power converter for converting the power from the power source to a suitable value for charging electric vehicles a 2nd power connection for exchanging power with the vehicle at least a 3rd power connection for exchanging power with another charger a controllable power switch coupled to the power converter the 2nd power connection and the at least 3rd connection a controller for at least controlling the switch configured to: onnect the power converter to the 2nd power connection when a vehicle is to be charged from the power source connect the power converter to the at least one 3rd power connection when power is to be delivered to another charger and connect the at least one 3rd power connection to the 2nd power connection when power from another charger is to be delivered to the vehicle.