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Home | Blogs | Fast Charging 800V Architecture of Porsche's TAYCAN
Fri Sep 13 11:14:42 UTC 2019

Fast Charging 800V Architecture of Porsche's TAYCAN

Today's electric car charging stations for DC usually operate at about 400V. This is equivalent to a charging moment for a 400 km range of about 80 minutes with a typical charging power of about 50 kW. Porsche new Taycan has completely shattered this EV charging capacity. Using the Combined Charging System (CCS) connector, the Porsche charging structure can divide its 800V throughput into two 400V plugs. Once the voltage level is increased to 800V, the charge time for the same range is reduced to less than 20 minutes.

Porsche initially announced that the Taycan would be compatible with the maximum output of 350 kW from Electrify America, although the German carmaker chose to adjust this rate to 270 kW, citing current battery cell chemistry cannot securely support higher energy concentrations. However, even at 270 kW, the ultra-fast DC chargers from the Porsche Taycan and Electrify America still represent the highest EV charging rate on the market today.

Both the Porsche Taycan Turbo S and the Porsche Taycan Turbo are equipped with two electric motors, one on the front and one on the back axle, a rear axle-mounted two-speed transmission, and an 800-volt architecture.

Extensive testing between Electrify America and PCNA helped guarantee this first ultra-fast charging design. This effort paves the way for many electric cars from a multitude of automakers that will be able to charge DC quickly to benefit from the extensive, high-power nationwide network of the company in the future.

Oliver Blume, CEO of Porsche, says: "To construct a fast-charging network, we are in touch with other producers and vendors around the globe. Everyone's got the same need. It sounds simple, but it's difficult to get the details agreed. We already have the technical idea that is evident. Even with Teslas, it can operate with an adapter." Even Tesla's CEO Elon Musk appreciated about Porsche's Taycan's performance and appreciated it to be a good car.

For its portion, Tesla presently uses a network of 150 kWh superchargers V2 stations, although the firm has started rolling out a V3 superchargers network of 250 kWh. The new, more potent V3 Superchargers from Tesla, along with the new, high-powered EV chargers from Electrify America, are entering a fresh era of super-fast EV charging. EV owners across the board spend less time in charging stations during lengthy journeys with quicker charging times, and more time behind the wheel, reducing general travel time. According to Tesla's press release on March 2019 concerning the new high-powered superchargers, the maximum levels of 250 kWh per vehicle will allow holders of the Long Range Model to charge 375 miles in just 5 minutes.

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