Remove Battery Powered Remove C1 Remove Connect Remove Oil
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Chevy Volt Delivers Novel Two-Motor, Four-Mode Extended Range Electric Drive System; Seamless Driver Experience Plus Efficiency

Green Car Congress

Two of the clutches are used to either lock the ring gear of the planetary gear-set or connect it to the generator/motor depending on the mode. The third clutch connects the internal combustion engine to the generator/motor to provide range extension capability. In this mode, the ring gear is held (locked) by clutch C1.

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GM provides technical details of the Gen 2 Voltec propulsion system used in the 2016 Volt

Green Car Congress

The drive unit contains two newly developed electric motor-generators for propelling the vehicle and other duties; power electronics to supply and control them; a system of gears, clutches, and hydraulic controls to combine and deliver the mechanical power from the motor-generators and the engine; and an electric oil pump.

Volt 150