The Charging Interface Initiative association (CharIN) announced earlier this month that ABB has been granted core membership in the association. CharIN was founded by Audi, BMW, Daimler, Mennekes, Opel, Phoenix Contact, Porsche, TÜV SÜD and Volkswagen to focus on developing and establishing the Combined Charging System (CCS) as the standard for charging battery-powered electric vehicles of all kinds. ABB—based in the Netherlands—is the first non-German member.
The Combined Charging System is currently the only internationally standardized charging system covering conventional (AC) and different fast charging scenarios with one integrated system approach. It combines single-phase with rapid three-phase charging using alternating current at a maximum of 43 kilowatts (kW), as well as direct-current charging at a maximum of 200 kW. (Earlier post.) The majority of available CCS charging stations and vehicles currently in the market provide direct-current charging at the level of 50 kW.
The system, which is documented within the relevant IEC and ISO standards, is endorsed by the European Automobile Manufacturers’ Association (ACEA) and its US equivalent, the Society of Automotive Engineers (SAE).
One of CharIN’s main targets is a significantly higher standardized CCS charging power up to 350 kW, combined with a complete backward compatibility and interoperability between available components and cars. This would significantly reduce battery electric vehicle charging times.
At this year’s Electronics in Vehicles (ELIV) conference in Germany in October, CharIN showed vehicles and equipment prepared to charge at up to 150 kW. The 150 kW demo is of some significance, as Audi of America president Scott Keogh just announced the company’s intention to build out a network of 150 kW fast chargers to support the 2018 introduction of its battery-electric SUV (the production version of the e-tron quattro). (Earlier post.)
Together with our partners in the CharIn initiative, we are fully focusing on quick charging stations that are based on the CCS standard. This method is powerful, thoroughly developed and convenient.—Ricky Hudi, Head of Development for Electrics/Electronics at Audi AG, at ELIV
The CCS is already on board the Audi R8 e-tron battery-electric high-performance sports car (earlier post) and in the Audi e-tron quattro concept car (earlier post). In 30 minutes, the 95 kWh battery of the Audi e-tron quattro concept can be charged with enough electricity for a range of more than 400 km (248.5 mi). When the battery is fully charged, it has a range of more than 500 km (310.7 mi).
Other work of CharIN includes drawing up requirements for the evolution of charging-related standards and developing a certification system for use by manufacturers implementing the CCS in their products. Based in Berlin, CharIN e.V. is open to all interested parties.
ABB’s Internet-based charging infrastructure supports all EV charging standards; the company already markets several charging stations which support the CCS standards.