THS II (TOYOTA HYBRID SYSTEM II)
02HCH31Y
MG2
Stator
MG1
Rotor
Hybrid Transaxle
TH-19
CONSTRUCTION OF MAIN COMPONENTS
1. MG1 and MG2
General
Serving as the source of supplemental motive force that provides power assistance to the engine as
needed, the electric motor helps the vehicle achieve excellent dynamic performance, including smooth
start-offs and acceleration. When the regenerative brake is activated, MG2 (Motor Generator No.2)
converts the vehicle’s kinetic energy into electrical energy, which is then stored in the HV battery.
MG1 (Motor Generator No.1) recharges the HV battery and supplies electrical power to drive MG2. In
addition, by regulating the amount of electrical power generated (thus varying the generator’s rpm), MG1
effectively controls the continuously variable transmission function of the transaxle. MG1 also serves
as the starter to start the engine.
Both the MG1 and MG2 are compact, lightweight, and highly efficient alternating current permanent
magnet synchronous type.
Both the MG1 and MG2 use a rotor containing a V-shaped, high-magnetic force permanent magnet that
maximizes the generation of reduction torque. They use a stator made of a low core-loss electromagnetic
steel sheet and a high voltage resistant winding wire. Through these measures, the MG1 and MG2 have
realized high output and torque in a compact construction.
A cooling system via water pump for the MG1 and MG2 has been added. For details, refer to the cooling
system (for Inverter, MG1 and MG2) on page TH-27.
Содержание Camry Hybrid AHV40
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