Patent ID: 9209638
Filing Date: 2015-12-08
Classification: B60L,H02J,Y02T

Abstract:
1. Network of chargers for electric vehicles, each charger comprising: a 1st power connection, for exchanging power with a power source; a power converter for converting power from the power source to a charge current suitable value for charging electric vehicles; at least one 2nd power connection for exchanging power with a vehicle; and at least one 3rd power connection for exchanging power with another charger; the charger being configured for routing power to the at least one 2nd power connection when a vehicle is to be charged from the power source, and/or to the at least one 3rd power connection when power is to be delivered to another charger and/or to route power from the at least one 3rd power connection to the 2nd power connection when power from another charger coupled to the 3rd power connection is to be delivered to the vehicle, wherein: the chargers, when coupled to a power source, being a grid connection, together form a charging node system by being mutually interconnected via their at least one 3rd power connections, and wherein: at least one of the chargers comprises a controllable power switch coupled to at least two of: the power converter, the at least one 2nd power connection and the at least one 3rd connection; and a controller is provided for routing power by controlling the switch, and is configured during operation to perform at least one of: connect the at least one 3rd power connection to the at least one 2nd power connection when power from another charger is to be delivered to the vehicle, wherein the controller is configured during operation to route power based on information obtained from a vehicle with a battery to be charged.