Charge Controller

Smart Grid Charge Controller: Faster and safer charging of electric vehicles

The Bender CC611 charge controller, hereafter referred to as the charge controller, is the main component of a charge point and is designed for use in electric vehicle (EV) charging stations, wall boxes and street light charging points. The charge controller controls type 1 plugs and type 2 sockets. It enables a setup that is in accordance with current standards, such as IEC 62196, IEC 61851-1 and IEC 61851-22.

The charge controller is characterized by its compact design and size (114.5 mm x 22.5 mm x 99 mm) that in turn enables intelligent, small and cost effective charging points. To enable the charge controller to communicate, a backend system together with a well-known and trusted communication protocol is required. Given that most backend providers strictly adhere to the OCPP communication protocol, the charge controller is OCPP 1.5 complaint and compatible with all electric vehicles on the market. Integration tests with the backend implementations of providers such as Vattenfall, Bosch, NTT and DRIIVZ have been successfully carried out. The charge controller can be operated as an "always on" system that is always connected to a mobile network. The controller supports 2.5G Edge and 3G UMTS mobile networks. Connectivity for online operation requires a SIM card (which is not included in delivery). User interaction is facilitated using an RFID module, which consists of an RFID card reader and LEDs. Charging is initiated by either holding a valid RFID card close to the reader or remotely by the backend system via OCPP. In offline operation, the charge controller can optionally allow charging without authorization or it can authorize users based on RFID and a local white list of authorized RFID cards.

As well as the charge controller, a charge point also consists of a relay contactor, which is directly connected to a type 2 socket, or to an attached cable with a type 1 or type 2 plug. A 12 V power supply, e.g. a Phoenix Contact Step-PS/1 AC/12 DC/1.5 primary switched-mode power supply, is needed to operate the charge controller, and an optional RFID module is available to facilitate simple user interaction. A charge point may also consist of a meter, and if the meter should be read digitally, a smart digital meter (EMH eHZ) is required.




Faster and safer charging of electric vehicles


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