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Mercedes-Benz unveils its revamped G-Class

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The all-new G-Class makes its public debut at the Detroit auto show in G550 form. Completely redeveloped and fitted with a 4.0-liter V8 biturbo gasoline engine offering 427ps and 450 lb-ft of torque at 2,000rpm to 4,750rpm, despite near-identical looks to its predecessor plenty has changed for the Mercedes-Benz SUV.


Ford’s F150 pickup gets its first diesel motor

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Developed by the powertrain team behind the 6.7-liter Power Stroke engine for super duty trucks, the all-new 3.0-liter V6 Power Stroke unit promises 250ps, 440 lb-ft of torque, and an anticipated 5175kg of towing capacity.


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In light of Fisker's solid-state battery breakthrough and claims of a one minute charge time, will this electric vehicle technology development kick-start mass BEV uptake? 

News

Sevcon launches new electric motor controller for EV applications

A new electric motor controller (inverter) launched by Sevcon is expected to deliver significant growth in global markets by targeting more cost-sensitive applications with a high-quality, high-performance product.
The new motor controller is a DC variant of Sevcon’s Gen4 product, which is used in a range of electric vehicles, including the Renault Twizy. The Gen4 DC can be specified in a range of sizes to suit a wide variety of applications, from electric scooters and neighborhood electric vehicles to forklift trucks and aerial work-platforms.
The Gen4 DC controller can provide both traction and pump control for various motors, including separately excited motors and permanent magnet brushed motors. The controller can also offer precise torque and speed control over the motor, as well as battery current regeneration in most configurations. The Gen4 DC also features a CANopen bus that allows easy interconnection of controllers and devices such as displays and driver controls. Inputs and outputs can be wired to any node on the vehicle and accessed from any controller over the network.
The Gen4 DC Size 4 weighs 2kg and is available with operating voltages of 36/48V and 60/72V and with peak current of 400A or 550A. All types of motor are driven via four-quadrant armature control, resulting in immediate delivery of motor torque. Armature boost current ranges from 480A to 650A and armature continuous current ranges from 150A to 170A.

18 October 2013


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