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Integrated battery power capability prediction and driving torque
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6 FAQs about [Battery power and torque]
How does a Scania powertrain work in a battery electric truck?
Scania’s powertrains are renowned for their combination of power and high torque at low revs, providing unmatched traction and fuel efficiency. But how does that translate to battery electric trucks? Here’s an explainer of torque, power, and RPM in a BEV world. Torque and power are terms used when describing powertrain performance.
Can a battery electric powertrain achieve the same power as an internal combustion engine?
“A battery electric powertrain can achieve the same power as an internal combustion engine, even with lower torque, by utilising higher RPMs,” says Fredrik Sundén, an e-mobility developer at Scania Research & Development. The torque curve for a 400 kW Scania electric machine.
Why do battery electric trucks feel so responsive?
This instant torque is one reason battery electric trucks (BEVs) feel so responsive and direct. The torque curve for a 560 hp Scania internal combustion engine. Scania's inline six engine delivers unmatched torque at low revs but still needs to reach 900 RPM to provide peak torque (2,800 Nm).
Are battery electric trucks better than internal combustion engines?
Unlike internal combustion engines, which need to reach higher RPMs to maximise torque and power, electric machines produce peak torque instantly, even at low revs. This instant torque is one reason battery electric trucks (BEVs) feel so responsive and direct. The torque curve for a 560 hp Scania internal combustion engine.
How to choose a battery for a high power motor?
Generally, for a higher-power motor, a higher voltage is preferable. The selection of battery parameters is based on the range required for the vehicle and the capacity to provide peak discharge current and the duration for the peak current. Battery capacity (Ah or KWh) = (Mileage Requirement / Avg speed) x Avg current or power consumption.
How does torque affect a truck?
Torque, in combination with the gear ratio in the powertrain and the wheels, generates the traction force that helps a truck start moving and pull heavy loads. Electric powertrains have a flat and consistent torque curve, delivering maximum torque across a wide RPM range.