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Jaguar details the technology behind the I-Pace

Jaguar I-Pace

Ahead of it public debut at the Geneva International Motor Show next month, McLaren has released further information on the Senna. Fitted with a 4.0-liter twin-turbocharged V8 – McLaren’s most powerful IC engine ever produced for a road car – the limited release hypercar will develop 800ps and 800Nm.

Toyota details its new Dynamic Force engine

Megane R.S Video

The Japanese OEM has revealed its all-new powertrain system which is set to be installed in 80% of Toyota vehicles by 2023. Based on the Toyota New Global Architecture, the technology will feature a new continuously variable transmission (CVT), a 6-speed manual transmission and a 2.0-liter hybridized engine unit.

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As OEMs continue to announce plans to end production of diesel engines, Mercedes-Benz has unveiled its new diesel PHEV C-Class at the Geneva Motor Show. Will this powertrain development give TDI a new lease of life? 


Renault chooses Sevcon for e-motor controllers

Renault has selected Sevcon to supply the electric motor controllers for its groundbreaking Twizy ZE electric vehicle.

Based in North East England, Sevcon is one of Europe's leading suppliers of EV controllers and its 48-volt Gen4 AC unit has been specified by the French OEM.

The zero emission Twizy will be available in two models: the standard model is powered by a 13kW motor, while a smaller engine version comes with a 4kW motor. Both models incorporate a 7kWh lithium-ion battery that’s located underneath the front seat and will be leased by the vehicle owner.

A Sevcon Gen4 size 4 motor controller is utilized in the standard vehicle and a Gen 4 size 2 unit is used in the smaller engine model. In both cases the Sevcon Gen4 microprocessor based controllers regulate the power delivery from the battery to the motor to control the speed of the vehicle along with other engine and vehicle functions.

The full range of Gen4 AC controllers has operating voltages from 24 to 400V and a power range from 2 to 100kW. Secvon says that the advanced units incorporate the latest electronic motor control technology and enclosure assembly to provide the smallest control modules in the industry relative to power delivery. 

The use of integrated logic circuits and advanced flux vector control improves traction control efficiency and motor responsiveness – channeling drive power and energy from the battery smoothly and effectively, as well as integrating other functions such as throttle, direction and other key switches.

Twizy boasts a range of 100km, a regulated top speed of 80km/h and the battery fully charges in three and a half hours. The vehicle can carry two people, with the passenger being seated behind the driver.

27 March 2012


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