![]() ![]() In order for the Plug & Charge functionality to work, we need to make sure that a so-called contract certificate that is linked to a legal charging contract from the mobility operator of your choice can be installed in the EV. However, if there are no such PKIs established in the market to bring the complete Plug & Charge experience to life, then it's as if you built a brand-new and fascinating car - but forgot to put the engine in it. A VDE regulation for realising the needed Public Key Infrastructures The principal idea of what kind of PKIs are required is already written down in the ISO 15118 standard. A PKI is a set of roles, policies, and procedures needed to create, manage, distribute, use, store, and revoke digital certificates. Those digital certificates are based on Public Key infrastructures (PKIs). This trust relationship builds upon the exchange of digital signatures and certificates that prove the identity of a communicating party - such as an EV or a charging station. To ensure a secure exchange of information for this machine-to-machine communication, we need to establish some degree of trust. ISO 15118 only defines the communication between electric vehicles and charging stations. Its activities include ensuring safety in electrical engineering, developing recognised technical regulations as national and international standards as well as testing and certifying electrical and electronic devices and systems. Well, the VDE Association for Electrical, Electronic & Information Technologies (German: Verband der Elektrotechnik, Elektronik und Informationstechnik) is one of the largest technical and scientific associations in Europe. You may ask what the VDE is if you have never heard of this association. As the implementation of ISO 15118 on a larger scale is one of the key technical challenges, this project is the first to realise the newly published VDE regulation VDE_AR_E_2802-100-1 that clarifies the " Handling of certificates for electric vehicles, charging infrastructure and backend systems within the framework of ISO 15118". With Allego in the lead, Ultra-E involves big players in the e-mobility and automotive industry, such as Audi, BMW, Renault, Hubject, Magna, and Smatrics. One of its project goals is to define the architecture and needed functionality for applying the ISO 15118 communication standard in real life and thereby realising the user-convenient Plug & Charge functionality for seamless authorisation, billing, and load control. Project goals ISO 15118 and Plug & Charge The chargers shall be able to reduce the charging time needed for a travel distance of 300 km from 1.5 hours to 20 minutes, thereby providing charging powers of up to 350 kW per charging station. Twelve of those chargers will be installed in Germany, five in the Netherlands, four in Austria, and four in Belgium. In total, 25 so-called Ultra-Fast-Chargers shall be installed on a corridor of more than 1.000 kilometres, with a maximum distance of 120 – 150 km between each charging site. The Ultra-E project website still only provides rudimentary information, but I was told that more is in the pipeline. It started off in 2016 and will proceed to the end of 2018. The project has a total budget of around 13 Mio Euros. The primary goal of Ultra-E, a project co-funded by the European Union, is to establish a European-wide corridor of high-power charging stations. ULTRA-E – A corridor of high-power charging stations across Europe ![]() This article sheds light on the ongoing activities in the EU-funded research project Ultra-E that sets out to tackle the issues as mentioned above. The challenge is to establish a smoothly running system which is secure, user-convenient, reliable, and interoperable between the participating actors. These are the primary concerns of those who asses for themselves if it is worth buying an electric vehicle (EV) or not. At the same time, we need to make sure that the business process of secure and tamper-free charging and billing is carefully addressed by all involved e-mobility market players, including automotive OEMs, charge point operators (CPOs), mobility operators (MOs, aka e-mobility service providers) and IT infrastructure providers. We all know that the rise of e-mobility closely links to a charging infrastructure which is readily available, reliable, and sufficient regarding the number of charging stations installed. The issues with EU-funded research project Ultra-E - and what does it mean? ![]()
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