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In response to the global automotive industry's challenges in exhaust emissions and fuel efficiency, Magna International has developed an electric drive rear axle (eRAD) to provide an innovative solution for plug-in hybrid/electric The system of the car.
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At present, Magna's electric drive rear axle system eRAD has been used on the Volvo V60 plug-in hybrid, providing a form of drive that combines internal combustion engine drive with electric drive, while the system also provides all-wheel drive Drive capability. Its advantages include: reduced CO2 emissions; reduced complexity through the use of existing powertrain/vehicle structures; and the system's output power is among the highest in all current electric drive rear axle systems (50 kW) Peak power).
The high power density of this system allows the vehicle to travel in an electric mode on urban roads, and the combination of the system and the internal combustion engine will also greatly improve vehicle performance. By using the intelligent disconnecting system of the electric traction motor, the driving efficiency of the vehicle on the highway is further improved. This is achieved by an integrated compact electric drive unit located between the two rear wheels.
“The compact and efficient electric drive rear axle system eRAD combines electric all-wheel drive capability, excellent fuel economy and vehicle performance,” said He Shijie, president of Magna Powertrain Systems. “With ERAD, the driver A well-designed intelligent solution was obtained in which the driver can select the best operating mode for different driving conditions – internal combustion engine drive mode, electric mode or hybrid mode.
technical details
Permanent magnet synchronous motor
Peak power of 20kW/200Nm
Up to 96% efficiency
Bistable dog clutch for disconnecting the axle
Compact planetary gearbox
The gear ratio is 1:9.17
Motor shaft speed up to 12,000 rpm
Liquid cooling: -40 to 80 degrees Celsius
Origin: Ilz, Austria
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.