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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

Recognizing the benefits derived from their two-mode approach in their earlier hybrids, the engineering team also observed that they had a second motor—the generator motor—“ going along for the ride ”, as Fletcher said during her presentation at the launch event in Detroit. Click to enlarge.

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

Green Car Congress

Clutches are OWC1, C1 and B1. Each motor-generator is connected with a sun gear, and a clutching device can provide reaction torque by holding the ring gear of that planetary gear set. On top it has an angled rectangular housing receiving high voltage direct current (DC) cables connected to the battery pack and containing the inverter.

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