Quick charging in the middle of the city: This is how the Audi News Charging Hub works

E-car drivers load either in their own garage or on the go on fast loaders on the highway. Audi is now introducing a modern alternative with the Charging Hub, which not only promises short loading times in the middle of the city, but also offers comfort or space for the charging duration to work. Site has trial lades on the first Audi Charging Hub in Nuremberg.

Drive, refuel, to the toilet, buy a snack, done. The charging experience on the long distance on the highway does not differ very much from refueling a burner-at least when car and charging station work with 800 volts and can load like an Audi e-tron GT or a Porsche Taycan with 270 kW.

800-volt loaders overwhelm the network in residential areas

In the urban environment, on the other hand, there are hardly any opportunities to operate current fast charging columns: a single 800-volt loader pulls as much power as hundreds of apartments with up to 350 kilowatts. The local low-voltage distribution networks are simply not designed for such loads, real quick charging locations are connected to the medium-voltage network with their own transformer stations, which is at least 15.000 volts supplies enough power.
If you have your own parking space in the city, and can equip it with a electricity management, you expect completely different performance values: The average daily driving requirement (38 kilometers) in Germany can be easily done with a Schuko socket (2, 3 kilowatts) reloading. The common and funded eleven kilowatt wall boxes are actually already oversized.

Nevertheless, there is also a need for faster shops in the city-for example from e-car drivers without your own parking space. Audi takes care of such customers with his latest idea: The Audi Charging Hubs are fast loaders for urban areas-you use them like a petrol station and enjoy a special service offer to bridge the typical 20 to 45 minutes of waiting time. The first charging hub has now been opened in Nuremberg. The location at the fair in the immediate vicinity of Norisring, Zeppelinfeld and Dutzendteich is not really inner -city, but the electrical installation is designed in such a way that it would also work on a residential street.

Quick charging in the middle of the city: This is how the Audi News Charging Hub works-this
Audi AG Quick charging in the middle of the city: This is how the Audi Charging Hub works

Fast implementation through modular construction without a foundation

Remarkable on the chic cube on Munchener Strasse is that only eleven months have passed from planning to the opening. The actual construction phase was incredibly short at four weeks. This speed is made possible by the fully modular structure of the building, which does not require a foundation and is simply on a paved area. So it can be broken down very easily and built up elsewhere.

In the technical room on the ground floor, the building structure can be easily recognized: steel beams form the scaffolding, wooden building materials the case. The demanding technology is housed in container modules that are simply pushed into the building. A total of six charging spaces supplies the technology over three 800 volt loaders with two charging connections each. These loaders deliver 320 kW of peak output, the maximum total charging capacity is 960 kW.

Power supply via normal three-phase connections

Audi could probably have a suitable network connection at the fair. However, the Ingolstadt residents choose a path that would also work directly in residential areas: the complete installation comes with three three-phase 63 amperei supply lines. So the Charging Hub has only 22 kW network performance. The fact that the cars could still load up to 320 kW is due to the intermediate buffer batteries: 96 battery modules in the module containers can interfere with 525 kilowatt hours of electricity. Enough to make a dozen cars (Audi calculates an average of 40 kWh per charging process). In addition to the 1.575 kWh of the three charging modules there is another battery account. The entire storage capacity of the system is 2.450 kilowatt hours.

Quick charging in the middle of the city: This is how the Audi News Charging Hub works-middle
Audi AG Quick charging in the middle of the city: This is how the Audi Charging Hub works

Up to 80 cars a day

The limited factor for the total number of cars, which can be handled in one day, remains the electricity supply plus the photovoltaic on the roof, which can head up to 30 kW of power. Audi calculates up to 80 cars per day and assumes that the expected peak times in the morning, noon and in the evening can be mastered well.

The battery modules, which are installed in the Nuremberg Charging Hub, come from scrapped test vehicles from e-tron development. The system is so flexible that the same battery from the VW MEB platform (ID.3, ID.4, ENYAQ etc.) and also the upcoming battery modules of the PPE vehicles (Z.B. A6 e-tron).

Quick charging in the middle of the city: This is how the Audi News Charging Hub works-city
Audi AG Quick charging in the middle of the city: This is how the Audi Charging Hub works

Barrier -free access to the lounge

The entire system is designed in such a way that people with disabilities have as simple access as possible: the charging cables hang on the swinging arms, including enough space to achieve everything with a wheelchair. Access to the lounge area takes place via a staircase or via a wheelchair lift.

There are two areas on the first floor: right behind the entrance, there is a lounge with snack and coffee machines, a toilet and simple benches. During the day a concier opens the door, in the remaining hours a pin unlocks the door that is displayed during the loading process. The charging customers of all brands are welcome in this area.
With another number lock (and with the PIN from your My-Audi app), Audi drivers open the door to the second area, the Audi lounge. Here it becomes significantly commodity, the premises should even be for short business meetings. The current loading status of the connected cars is displayed on large screens.

With the establishment of the lounge, Audi wants to experiment in the next few months. At the start, it consists of a large room with simple wall elements, but small meeting rooms should also be integrated that can be booked up.

The complete flat roof over the lounge stocking is covered with photovoltaics. With 30 kilowatts of peak power, it can contribute more than 20 megawatt hours of electricity in the course of a year.

Quick charging in the middle of the city: This is how the Audi News Charging Hub works-charging
Audi AG Quick charging in the middle of the city: This is how the Audi Charging Hub works

Various services as an additional offer

Audi wants to test various additional services: With the reservation of the loading site, a cleaning service should be booked that cleans the car with a special hot steam device. In addition to the charging hub, there is a charging station for e-scooter batteries. There, scooters from animal are ready for a detour to the park around the dozend pond.

Speaking of reservation: This service is exclusively available to Audi customers. Using the My-Audi app, they can have their loading space blocked by an automatically folding bracket. However, if there is another vehicle on the loading site 15 minutes before the reserved period, there should be no sanctions for the competitor – this is only displayed by a color signal on the screens in the lounge that it would be appropriate to disappear.

Quick charging in the middle of the city: This is how the Audi News Charging Hub works-this
Audi AG Quick charging in the middle of the city: This is how the Audi Charging Hub works

No surcharge for the charging current

The charging hub looks very modern, the free WiFi delivers 100 megabits per second – and the ambience could easily lead to customers staying longer than the charging process itself takes. The whole thing sounds expensive, but it is not. Already with the e-tron charging card for the city tariff (4.95 euros basic fee per month), the price per kilowatt hour is only 31 cents. Visitors with a BMW charging card with an active tariff (also 4.95 euros per month) pay only 39 cents per kilowatt hour.

Loading at the Charging Hub is certainly not a sustainable business model. Rather an investment in the spoiled customer base. The experience with the first charging hub in Nuremberg will show how quickly further locations will follow – and whether the prices can be kept in the long run.

Quick charging in the middle of the city: This is how the Audi News Charging Hub works-middle
Audi AG Quick charging in the middle of the city: This is how the Audi Charging Hub works

You might also be interested: EnBW builds fast charging parks in commercial areas

The ENBW energy supplier follows a different approach: In addition to a huge charging park with 52 seats on the Kamener Kreuz, the company has now also opened fast loaders in commercial areas, for example at a hardware store in Bavarian Unterhaching.

This article was written by Sepp Reitberger
The original to this post "Quick charging in the middle of the city: This is how the Audi Charging Hub works" comes from site.

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