The Audi e-tron prototype in a Faraday cage

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Rob
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The Audi e-tron prototype in a Faraday cage

Post by Rob » Fri Apr 20, 2018 2:39 pm

The production version of the Audi e-tron prototype heralds the dawn of a new era for the brand with the four rings: The company is transforming from a classic carmaker to a systems supplier for mobility offering its customers tailored solutions for charging, whether at home or on the move. The production version of the Audi e-tron prototype is the first car on the market that can charge at charging stations with up to 150 kW. In barely 30 minutes, the electric SUV is then ready to set off on the next long stage of its journey. Its large lithium-ion battery provides for a range of more than 400 kilometers (248.5 mi) in the WLTP driving cycle.

The scenario: dancing lights and pulsating crackling over the car’s roof
The Faraday cage at the Siemens high-voltage test bay in the Berlin switchgear plant measures 42 x 32 by 25 meters (137.8 x 105.0 x 82 ft). A team of electricians and engineers at the world’s largest switchgear production facility is researching lightning impulse voltages of up to three million volts. Built in 1958, the parabolic hall houses an impulse voltage generator the size of a house. And the Audi e-tron prototype is right on the middle of it. Flashes of light dance with a pulsating crackle over the car’s roof, lighting up the 25 meter (82.0 ft) high hall. The experts have aimed a flashover voltage at the car. This experiment symbolizes something that people have been dreaming of for thousands of years: to capture lightning bolts and use their energy. Even today you can’t use a lightning bolt to charge an electric car, but the engineers have come a step closer to realizing the vision of lightning-fast charging. The production version of the Audi e-tron prototype is the first car on the market that can be charged with up to 150 kW.

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