Lexus LS 600h L - Manual (Page 27)

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Glossary of Hybrid
Technology Terms
12-volt Battery
The low-voltage battery that provides electrical
power to accessories and the vehicle's computer,
similar to the battery of a conventional vehicle.
AC
Electrical current that reverses its flow in a circuit at regular intervals.
The LS 600h L's electric motors operate on AC current.
DC
Electrical current that flows continuously in one direction. The LS 600h L's
hybrid battery and 12-volt battery provide DC current.
Electronically-controlled Continuously Variable
Transmission (ECVT)
A type of transmission with an infinite number of gear
ratios that change depending on vehicle speed and
engine rpm. As a result, the engine and the motors
operate at their most efficient points regardless of the vehicle's speed.
The ECVT in the LS 600h L provides responsive and smooth performance.
The advanced combination of electric motor/generators and low and high range
torque multiplication planetary gearset are part of the ECVT, which has fewer
parts than a conventional automatic transmission.
Engine
In a hybrid vehicle, the word "engine" refers to the
gasoline engine, not an electric motor.
The gasoline-powered 5.0L V8 is the primary
power source for the LS 600h L.
(continued on next page)
HYBRID OVERVIEW LS 600h L