Toyota introduces 2012 Prius Plug-in Hybrid
Green Car Congress
SEPTEMBER 17, 2011
The sun gear is connected to MG1 (acting as the generator); the planet carrier is connected directly to the engine, and the ring gear is connected to the counter gear. The PCU features a compact inverter design with direct cooling of IGBT transistors, and converts DC to 3-phase AC to drive MG1 and MG2. Power Control Unit.
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