Smart electric drive designed from the beginning for electric traction

Posted December 12, 2009 | Category: Cars

It 'started in mid-November, the French plant in Hambach, the production of new smart fortwo electric drive. Unlike the previous model, the smart fortwo electric drive of the second generation is equipped with an innovative lithium-ion battery extremely efficient, which is fitted between the axles of the car keeps entirely unchanged the usable space and the concept of security intelligent two-seater. The electric motor 30 kW, positioned in the rear section of the car, ensures a good acceleration and high agility thanks to the torque of 120 Nm immediately available and the fixed ratio of electric traction. In Germany, enough to fully charge 2 Euro smart fortwo electric drive by connecting to the power supply to your home and thus have a range of about 135 km, more than sufficient for the needs of urban mobility. With the smart electric drive with zero local emissions becomes an ideal alternative to driving to the city contexts. The new smart fortwo electric drive will initially be offered for lease or rental to a few select customers in Berlin and other European cities such as Milan, Pisa and Rome. Some examples will be reserved for U.S. cities. From 2012 will become part of the range of the smart fortwo.
"In 1998 smart revolutionized urban mobility by offering smart fortwo car is absolutely unique. Today, smart confirms its pioneering role and redefining urban mobility in terms of circulation with zero emissions, "said Marc Langenbrinck, Managing Director smart brand, Head of Sales & Marketing smart. "We are the first manufacturer to launch simultaneously in eight European countries, an electric car as standard. With the smart fortwo electric drive, Daimler itself as absolute forerunner in the field of electromobility. Moreover, the smart fortwo electric drive is the logical evolution of the concept of smart and complements a range that is already the most economical in fuel consumption compared to all other car makers. "
Environmental compatibility and modern features have been defining features of the smart fortwo since the market launch, which occurred more than ten years ago. Since then, its innovative concept has succeeded in combining cutting-edge sustainable technologies and with the individual needs of urban mobility. Besides being the most compact car available, the two-seater can now boast the most reduced values ​​of fuel consumption and emissions. smart fortwo also stands for comfort and high levels of security. The unique design, which makes it different at first glance from any other coach, has made ​​her a style icon worldwide.
The new smart fortwo electric drive series production from mid-November 2009, is a further step in the journey undertaken by the brand towards an ambitious goal: the production of a compact, technically advanced and stylish look that does not pollute. In other words, a car with zero emissions. Smart began in 2007 in London to promote zero-emission motor traffic, with the rigors of everyday city traffic. Circulating in the British capital since then 100 smart fortwo electric drive of the first generation, entrusted to as many customers. The feedback was very positive and confirms the high degree of maturity of this type of car.
In 2008, Smart introduced the concept of a second generation smart fortwo electric drive, a car equipped with an advanced electric drive and equipped with an innovative lithium ion battery. Compared to other types of batteries, this technology offers several key benefits, including increased power, less charging time, longer life and high reliability. Marc Langenbrinck has said: "smart fortwo electric drive of the second generation is based on a concept of recognized success coach who has a strong personality and, of course, respect the natural resources. Its innovative battery-electric drive system makes it the ideal companion for getting around town: agile, economical and environmentally friendly. With smart move to zero emissions in the urban area becomes reality, and without any waiver. "
smart fortwo electric drive, like every other model smart, does not accept any compromise in terms of safety, comfort and spaciousness. The electric drive is an integral part of the original concept since the early studies and subsequent integration of the components necessary to achieve it has been studied well in advance. The battery, for example, is placed under the platform, in the space normally reserved for the tank. The adoption of electric traction therefore does not imply any reduction in the working chamber, the size of the passenger compartment and trunk are exactly the same as a smart fortwo with a combustion engine.
The agile permanent magnet motor 30 kW, installed in the back of the smart fortwo electric drive, is characterized by a readiness immediate response which makes directly available, even at a standstill, a torque of 120 Nm The result is a ' acceleration by far higher than the power of the engine would leave thinking. smart fortwo electric drive accelerates from 0 to 60 km / h in 6.5 seconds, the same result of the model with a petrol engine. "You can beat anything at the lights" (the traffic lights burn all), said a participant in the great experiment in London after a year of experience on Britain's roads at the wheel of a smart fortwo electric drive of the first generation. Given the target mainly urban, the maximum speed of the smart fortwo electric drive has been deliberately limited to 100 km / h.
Thanks to the power characteristic of the electric motor, smart fortwo electric drive requires only one fixed gear ratio. You do not need to change gear then, with obvious advantages in the intense urban traffic. In reversing the motor reverses the direction of rotation. "Fantastic and easy to drive. You just get in, turn on and go "(Fantastic and easy to drive. Salts, light, and parties), said the drivers of London's smart fortwo electric drive, on their expertise.
smart fortwo electric drive of the second generation is powered by a lithium-ion battery from 16.5 kWh that can be charged either by connecting to a common household outlet is at special charging stations.
A charge is enough for 135 kilometers (NEDC), a range more than enough for city use; Studies also show that over the urban districts on average car travels 30 to 40 km per day. In order to cover this distance is sufficient to recharge the car for about two hours. Leaving it plugged in overnight, you can in each case to fully recharge a completely discharged battery.
In collaboration with several other car manufacturers and energy suppliers, Daimler developed the idea of a charging connector unified European electricity grids for three-phase and a maximum amperage of 63 A. The objective of this cooperation is to land a European and international standards binding on charging stations for battery-powered vehicles. Standardizing on an international scale is a prerequisite for the realization of an efficient network infrastructure for recharging the batteries, which in turn is essential to ensure that customers welcome favorably the idea of an electric vehicle and can also use it anywhere.

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