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Premium electric car Mercedes-Benz EQS

20.04.2021

Mercedes-Benz has introduced the Mercedes-Benz EQS premium sedan. The model was the brand's first electric vehicle built on the new Daimler platform, aimed at upper-class models. The EQS 450+ and EQS 580 4MATIC configurations will be the first to enter the market, with other configurations to follow in the future.

The designers of the novelty have retained the recognizable features of the related S-Class, but at the same time they have focused on the electric nature of the EQS, having designed the body in the form of a single extended arc with a cabin moved forward and a roof smoothly lowering towards the rear. As a result, it was possible to achieve a reduction in the level of aerodynamic resistance to a record mark for production cars of 0,20.

The rear-wheel drive version of the Mercedes-Benz EQS 450+ received an eATS electric motor on the rear axle with a power of 245 kW and a torque of 568 Nm, which allows this large (5216x1926x1512 mm) sedan to accelerate to 100 km/h in 6,2 seconds. In turn, the all-wheel drive EQS 580 4MATIC with two eATS electric motors on each axle provides a total power of 385 kW, a torque of 855 Nm and acceleration to “hundreds” in just 4,3 seconds. The top speed of both versions is limited to 210 km/h for safety reasons.

Both versions of the electric vehicle use the same 107,8 kWh battery, which provides a WLTP range of up to 770 km. A little later, the Germans promise to introduce more affordable versions of the model with a 90 kWh battery. The electric vehicle supports 11kW mains charging (22kW optional) and DC fast charging up to 200kW. In the first case, the time for a full charge will take 10 hours (5 hours optional), in the second - 31 minutes to a full charge, or about 300 km from a shorter 15 minute charge. In Japan, customers will also be provided with a two-way charging function.

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TOSA electric bus system 30.06.2014

The Swiss company ABB Secheron, together with partners, plans to deploy in Geneva in 2017 a network of electric buses TOSA (Trolleybus Optimization Systeme Alimentation) with a unique fast battery charging system.

It is assumed that special charging stations will be placed at some stops along the route of the vehicle. Having approached such an installation, the bus will be able to connect to an energy source using a special robotic arm located on the roof. The laser sensor will be responsible for ensuring the accuracy of the connection.

The charging station will provide a power of 400 kW. It is assumed that the process will take about 15 seconds, and the energy received is guaranteed to be enough to get to the next charging point.

TOSA buses are designed to carry up to 133 passengers. Since recharging will be carried out on the way, massive battery packs can be dispensed with. By the way, in the case of TOSA, the batteries are located on the roof.

Researchers from the Federal Polytechnic School of Lausanne have already developed a special computer model that will help make the TOSA system as cost-effective as possible. Nearly 60 parameters are taken into account when evaluating the efficiency, in particular, the salary of drivers, the distance between stops, the number of charging stations, the durability of batteries, the timetable, etc.

TOSA buses are currently being tested on the route between Geneva airport and the Palexpo exhibition centre.

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