In the new generation of Audi A8 (codename D5), the application of L3 automatic driving has become the focus of people's discussion. Among them, the hybrid version also adopts wireless charging technology. It should be noted that the wireless charging technology described here is applied to the car rather than the wireless charging technology that we often see. The 3.0T turbocharged engine and 8AT gearbox form the power system of the Audi A8L e-tron. It is the same as the hybrid models of the BMW, Mercedes-Benz and Porsche brands. The Audi A8L also integrates the motor in the AT gearbox. It is no coincidence that the hybrid output of the power is achieved. ZF in Germany is the latter to bring the transmission to the market. Compared with Japanese manufacturers' solutions, the Germans still recognize their performance in traditional power. Indeed, such a structure, even if the motor can start and pure electric driving in urban road conditions, as long as the driver steps on the accelerator pedal With more trips, the entire powertrain will use the original state to provide feedback, and it is beyond doubt that the driver will be provided with the accelerated performance of this class. Nowadays, Japanese manufacturers who started earlier in the field of hybrid technology have begun to pay attention to the balance between fuel economy and driving pleasure. The 10AT used by Lexus LC is a good evidence. The electrical part of the hybrid is no stranger. The other end of the high-voltage harness is a lithium battery. The 50km pure electric range does not have much bright spot on the data, but the European emission regulations for the next stage are not a problem. The traditional way mainly depends on three ways. The engine drives the generator (48V) to generate electricity, recover electricity during driving and plug in. In addition, this generation of Audi A8 is the first to try to use wireless charging technology, which means you There must be a fixed parking space for installing wireless charging equipment. Of course, with the advancement of new energy in the automotive society, wireless charging will become a type of urban infrastructure, but the time schedule is really bad. estimate. The wireless charging power is 3.6 kW. The secondary coil at the bottom of the front axle is used to receive electric energy. Only when the pedestal is raised, the vehicle will generate a magnetic field when the vehicle starts to transmit energy. When idle, the power of the pedestal is Completely isolated, its security has been verified by the development team, and it is believed that the corresponding security technology standards will be established in the future. In addition, for wireless charging, the conversion rate of charging is an important criterion to measure the maturity of technology. Audi's wireless charging technology can achieve more than 90% of charging efficiency. Although Audi always likes to control their new energy vehicles called e-trons, from the application level, the pure electric mode in German hybrid technology is not very strong in terms of power, efficiency, In terms of fuel economy, BYD's hybrid models are not necessarily worse than these luxury brands. What is now available to the market is the technological decision that came from a few years ago. As for the next 2-3 years, I believe that after the emission crisis and the government’s ban on the sale of traditional models in a certain year, this is to promote the German manufacturers to accelerate new energy. The catalyst for technology marketization, hundreds of millions of R&D expenditures have shifted from the development of platforms and internal combustion engines to the new energy sector. From the current news, Audi will launch an SUV with a cruising range of 500km! The market gap for high-end electric vehicle products is now growing, and people hope to have some options besides Tesla.
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