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Saab 9-3 ePower

The Swedish company is introducing the first all electric vehicle, the Saab 9-3 ePower, which will be showcased at the Paris Motor Show.

The Saab 9-3 ePower is a family estate that can cover almost 200 Km (124 miles) thanks to its high-density lithium-ion battery cells, and the car represents the result of the cooperation between Saab and Boston Power (batteries), Electroengine in Sweden AB (electric power trains), Innovatum (project management) and Power Circle (Sweden’s electric powerindustry trade organization). 

Powered by an 184 HP electric motor that spins the front wheels via a single speed transmission, the Saab 9-3 ePower can sprint from 0 to 62 mph in 8.5 seconds, and reach a maximum speed of 93 mph.

The 35.5 kWh battery pack is fitted in the floor, where the exhaust system and fuel tank would be in a petrol engine powered car, which means the Saab 9-3 ePower features driving dynamics similar to the standard SportWagon.

The Saab 9-3 ePower represents the Swedish automaker's first step towards producing a mass production all-electric vehicle, and for more specific details check out the official press release below.

Saab press release :

  • First, practical family estate with all-electric propulsion
  • Projected all-electric driving range of 124 miles approx.
  • Battery cells set benchmark for energy density
  • User trials with 70-strong test fleet starting next year

Trollhättan, Sweden: Saab Automobile is taking its first step towards developing an all-electric vehicle with the Saab 9-3 ePower.

Making its world premiere at the Paris International

Motor Show laterthis month, the Saab 9-3 ePower is the prototype for a test fleet of 70vehicles which will participate in extensive field trials in Sweden early next year. This all-electric family estate represents an importantstep forward for Saab’s pursuit of delivering cleaner and sustainable mobility solutions.

The performance of the cars will be evaluated under a variety of real-world driving conditions as part of the development process for a purpose-built, electric Saab vehicle. Targets to be verified include a projected driving range of approximately 200 kilometers through the use of high-density energy storage in lithium-ion battery cells.

The Saab ePower is the first electric vehicle from Saab and is a result of a co-operation between Saab Automobile, Boston Power (batteries), Electroengine in Sweden AB (electric power trains), Innovatum (project management) and Power Circle (Sweden’s electric powerindustry trade organization). 

Mid-sized SportWagon with zero emissions

The Saab 9-3 ePower is the first all-electric car to offer its occupants the comfort, size and practicality of a SportWagon. Saab engineers have integrated an electrical architecture within the shape and dimensions of a ‘conventional’ 9-3 SportWagon.  

Under the bonnet is a 184 hp electric motor driving the front wheels through a single-speed transmission. Instant torque enables zero to 62 mph acceleration in just 8.5 seconds, together with a top speed of 93 mph.

The compact yet powerful 35.5 kWh lithium-ion battery pack is accommodated in a modified floor-pan, in a space occupied by the exhaustsystem and fuel tank on the standard 9-3 SportWagon. This allows for optimum weight distribution and excellent driving dynamics similar to those of a standard SportWagon.

Inside the cabin, a conventional, automatic-style gearshift lever provides selection of ‘drive’, ‘neutral’, ‘park’ and ‘reverse’. The rev-counter, fuel and turbo-boost displays in the main instrument cluster are replaced by read-outs for battery status, power consumption and driving range, all illuminated in green. To optimize space, an electric park brake is fitted.

Electro-hydraulic power steering is used and the cabin is equipped with full air- conditioning, via a compressor powered by the battery pack. A separate 12-volt battery, for the lights and cabin ancillaries, is also charged from the battery pack via a current transformer

The operation of the vehicle’s powertrain is controlled by a version of Saab’s own in-house Trionic 8 engine management system, with new software written for an electric vehicle application.

Long driving range with excellent durability

The Saab 9-3 ePower’s projected driving range of approximately 124 miles pushes out the boundaries for current EV performance. Key to its long range are battery cells which have an energy storage density substantially greater than the best currently used in EV applications. High energy density also contributes to a lower battery weight.

The battery pack has a capacity of 35.5 kW/h and is designed to operate with full power in ambient temperatures as low as -30ºC, at least 10ºC below the operating level of other battery packs on the market today. Another key benefit is the use of air, instead of liquid, cooling which contributes to lower cost and further weight-saving in thepack’s design.

The pack is intended to support re-charge cycles equivalent to 10 years average use. It can be fully recharged from a domestic mains supply in three to six hours, depending on depletion status. Charging times can be greatly reduced if the voltage of the electrical feed is raised, as there is no limitation on the battery’s input capacity.

Test driving experience is expected to validate the performance of this advanced battery pack, which is designed to operate reliably withina full depletion ‘buffer’ set at only 12 percent of total capacity, a much lower operating margin than used in the management of other packs.

Its lithium-ion battery cells are also the first to receive a Nordic Ecolabel accreditation for their environmental safety and sustainability, which includes manufacturing processes.

The 9-3 ePower meets the high crash-worthiness standards that Saab applies to all its vehicles. The car’s power pack is located outside theoccupant compartment in non-deformable structural zones, well protectedand encapsulated. The battery management and monitoring system supportssafe performance during normal driving and in crash conditions.

Extensive user trials

Hundreds of drivers and their families will be enlisted by Saab and its development partners during an extensive test driving and evaluationprogramme involving a 70-strong fleet of Saab 9-3 ePowers in central, west and eastern Sweden during 2011-12.

The Saab ePower project team in Trollhättan will monitor the performance of the cars across a wide variety of usage patterns and driving conditions. To log essential component data, all vehicles will be equipped with aircraft-style, black box recorders.

“This programme is designed to evaluate the potential for developing ahigh- performance, zero-emission electric vehicle and is an important next-step in the extension of our EcoPower propulsion strategy,” says Mats Fägerhag, Executive Director, Vehicle Engineering at Saab Automobile.

“This includes engine rightsizing, which exploits Saab expertise in turbocharging, as well as the use of alternative fuel, such as bio-ethanol through Saab BioPower technology.”

Jan Åke Jonsson, Saab Automobile’s CEO adds: “By 2015, annual global sales of electric vehicles are expected to reach 500,000 units and Saab is determined to be represented in this important, growing segment.

“The 9-3 ePower programme is our first step towards developing a potential production vehicle that will deliver the sort of advanced performance our customers expect. We now look forward to working with our technical partners in developing such a product.”

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