Porsche Engineering’s New Fast-Charging Solution for Electromobility

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To help electromobility gain greater acceptance, Porsche Engineering designed a new charging park that’s user-friendly and has economic viability. Using a modular system, Porsche Engineering created a fast-charging solution that optimizes the available electricity grid and space restrictions.     

 

FlexBoxes provide all necessary components for charging in a standard rack. The modules are ideal for both planned and existing buildings as they fit wherever space is available, leaving the charging poles in positions for optimal use by customers.

 

Porsche Engineering’s charging park functions more intelligently compared to systems available today. The transformer introduces the centralized galvanic isolation, which eliminates the need for it in each pole. The control server of the transformer station checks and connects all information from the control units of the cooling unit, power electronics, and the charging station. The entire system has a 95% efficiency rating, which significantly lowers operating costs.  

 

The PowerBox converts the low-voltage alternating current from the transformer into direct current. It can use two sets of power electronics and supply two charging points. This system features silicon carbide modules of the latest generation, saving in cost and space requirements.

 

The charging poles and power electronics receive liquid cooling from the CoolingBox. Each box can accommodate two cooling units, which provides reliable cooling for multiple charging points. The CoolingBox can be placed away from the charging stations to keep customers from hearing any unavoidable noises.

 

For small charging parks, the ComboBox is available, which combines the PowerBox and the CoolingBox and has a cooling unit sufficient for one charging point each.

 

The ChargeBox charges electric vehicles extremely fast even if no powerful grid connection is available. It contains an additional buffer storage battery that charges when no vehicle is using the charging station. The ChargeBox is ideal for locations where an expansion of grid capacity would be expensive or locations with a low charging frequency. The ChargeBox has a standard 70 kWh battery and a 160 kW charging station.  

 

The ChargeBox is available with 140 kWh and two 160 kWh charging stations for vehicles with higher charging capacities or for highly frequented locations. The smart grid unit that’s available ensures the system never draws more than the permissible amount of electricity from the grid.   

 

Porsche Engineering removed anything that wasn’t required from the charging stations and packed it into the FlexBoxes. The crane-like shape of the poles ensures the high-positioned, liquid-cooled charging cable reaches the charging socket of every electric vehicle. A large, 10-inch display offers a wide variety of options for customers, and light units on the left and right mark the borders of the charging station and define the parking space.

 

The charging park automatically connects with the vehicle at the beginning of the charging procedure and checks for how much electricity the vehicle needs. With a few modifications, the system could be available with charging standards such as CHAdeMO or GB/T, enabling service in regions as far as Japan and China.

 

To keep up with future developments, Porsche Engineering designed the charge park to be flexible for both customers and operators. With this new charging infrastructure, Porsche Engineering delivers a safe, convenient, and fast charging method — providing customers with reliable charging now and in the future.

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