Porsche at the Michelin Challenge Bibendum in Berlin - presents also two Boxster E (18 22/05/2011). Was high demand for the professional audience, the car-sharing in two electric prototypes on a scale sporting circuit. The Boxster E, each with an electric motor on the front and rear axle drive all-electric four-wheel drive and is in terms of driving dynamics on the level of a Boxster S.
Porsche is testing in addition to the four-wheel version, a version in each of which drives an electric motor, the rear wheels. The three prototypes serve to explore the practicality and user behavior of electric vehicles in particular when driving and loading. The practical test is part of the large-scale test "model electric mobility Region Stuttgart Region" took place, which is funded under the federal "e-mobility in model regions".
The Porsche Boxster offers with its concept mid-engine sports car is a good vehicle basis for the practice-oriented testing of the electric drive. The open two-seater is very light and allows the new e-machine components, battery and high voltage technology crash safely accommodate the vehicle.
The Boxster is a pure E electric vehicle without additional combustion engine on board. The drive controlled by two independently operating electric motors with permanent transmission gears, which act on the front and rear axle. The rear drive unit of motor and gearbox is housed together with the power electronics for controlling the electric motor, where the conventional manual transmission, the Boxster and the exhaust system fitted.
In the front of the vacant due to the loss of the 64 liter fuel tank space with the second drive unit is filled. In neighboring trunk power electronics works for the front axle electric motor. This gives the Boxster E over a four-wheel drive without mechanical drive between the two axes.
For maximum stability and traction plays a central electrical control unit to synchronize the two electric motors and controls the drive torque to front and rear axle. The two electric motors produce a total output of 180 kW / 245 hp and a maximum total input torque of 540 Newton meters.
With the two engines of the two-seater accelerates in 5.5 seconds from zero to 100 km / h. The top speed is limited to 200 mph. The high performance of the two engines are available and a high recuperation when braking more energy can be recovered. This increases the efficiency of the drive.
The other two E Boxster with rear-wheel drive eliminates the front electric motor, so they offer an output of 90 kW / 122 hp and a torque of 270 Nm. The sprint from zero to 100 km / h, they do in 9.8 seconds, top speed reaching 150 km / h. Because all e Boxster move relatively quietly, the Porsche engineers have designed an active sound design that gives the driver an audible feedback and, where appropriate, warns passers-by.
Loaded by the traction battery charger. As an energy source, is any ordinary wall socket. The charging socket on the vehicle is equipped with a light ring, fueled, as with any Porsche forward. The charger is located there pointing the alternating current from the wall outlet into direct current, so that the traction batteries store electrical energy.
Despite the electronic components in the front trunk there is still plenty of room for luggage, the rear trunk of the Boxster E is unchanged. The Boxster email to an absence of clutch pedal and shift lever, there is no tachometer. Instead, working in its place a special e-power meters in the instrument cluster central display.
The swing to the right shows the power demand to the left of the recuperation. The energy recovery through the use of electric motors as generators can be varied by changing the shift buttons on the steering wheel. The effect: a kind of engine brake on demand. Otherwise, the Boxster is sailing E when the driver releases the pedal, just then, and uses the kinetic energy of the rolling vehicle.
The right-TFT display on the instrument cluster acts as an intelligent, inter alia, ranges Manager and displays useful travel information: the remaining distance or how many miles can be obtained by switching off the air conditioner. (Ampnet (/ jri) 
Porsche is testing in addition to the four-wheel version, a version in each of which drives an electric motor, the rear wheels. The three prototypes serve to explore the practicality and user behavior of electric vehicles in particular when driving and loading. The practical test is part of the large-scale test "model electric mobility Region Stuttgart Region" took place, which is funded under the federal "e-mobility in model regions".
The Porsche Boxster offers with its concept mid-engine sports car is a good vehicle basis for the practice-oriented testing of the electric drive. The open two-seater is very light and allows the new e-machine components, battery and high voltage technology crash safely accommodate the vehicle.
The Boxster is a pure E electric vehicle without additional combustion engine on board. The drive controlled by two independently operating electric motors with permanent transmission gears, which act on the front and rear axle. The rear drive unit of motor and gearbox is housed together with the power electronics for controlling the electric motor, where the conventional manual transmission, the Boxster and the exhaust system fitted.
In the front of the vacant due to the loss of the 64 liter fuel tank space with the second drive unit is filled. In neighboring trunk power electronics works for the front axle electric motor. This gives the Boxster E over a four-wheel drive without mechanical drive between the two axes.
For maximum stability and traction plays a central electrical control unit to synchronize the two electric motors and controls the drive torque to front and rear axle. The two electric motors produce a total output of 180 kW / 245 hp and a maximum total input torque of 540 Newton meters.
With the two engines of the two-seater accelerates in 5.5 seconds from zero to 100 km / h. The top speed is limited to 200 mph. The high performance of the two engines are available and a high recuperation when braking more energy can be recovered. This increases the efficiency of the drive.
The other two E Boxster with rear-wheel drive eliminates the front electric motor, so they offer an output of 90 kW / 122 hp and a torque of 270 Nm. The sprint from zero to 100 km / h, they do in 9.8 seconds, top speed reaching 150 km / h. Because all e Boxster move relatively quietly, the Porsche engineers have designed an active sound design that gives the driver an audible feedback and, where appropriate, warns passers-by.
Loaded by the traction battery charger. As an energy source, is any ordinary wall socket. The charging socket on the vehicle is equipped with a light ring, fueled, as with any Porsche forward. The charger is located there pointing the alternating current from the wall outlet into direct current, so that the traction batteries store electrical energy.
Despite the electronic components in the front trunk there is still plenty of room for luggage, the rear trunk of the Boxster E is unchanged. The Boxster email to an absence of clutch pedal and shift lever, there is no tachometer. Instead, working in its place a special e-power meters in the instrument cluster central display.
The swing to the right shows the power demand to the left of the recuperation. The energy recovery through the use of electric motors as generators can be varied by changing the shift buttons on the steering wheel. The effect: a kind of engine brake on demand. Otherwise, the Boxster is sailing E when the driver releases the pedal, just then, and uses the kinetic energy of the rolling vehicle.
The right-TFT display on the instrument cluster acts as an intelligent, inter alia, ranges Manager and displays useful travel information: the remaining distance or how many miles can be obtained by switching off the air conditioner. (Ampnet (/ jri)
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