848a0 hybrid synergy drive hsd howitworks Full Hybrid Automobile Engineering

Hybrid Synergy Drive (HSD) Technology | Hybrid System | Hybrid Cars

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What Is a Hybrid System?

A hybrid system combines different power sources to maximize each one’s strengths, while compensating for the others’ shortcomings. A gasoline-electric hybrid system, for example, combines an internal combustion engine’s high-speed power with the clean efficiency and low-speed torque of an electric motor that never needs to be plugged in.

01-hybrid-cars-gasoline electric hybrid system with internal combustion engine

Are All Hybrids Created Equal?

There are several ways in which electric motors and a gas/petrol engine can be combined.

Toyota perfected the series/parallel or "full" hybrid to deliver the energy-saving benefit of a series hybrid together with the acceleration benefit of a parallel hybrid. Two key technologies — the power split device and sophisticated energy management — make this possible. They constantly optimize the flows of mechanical power and electric power for safe and comfortable vehicle operation at the highest possible efficiency.

Read More Info Regarding This Post :   Classification of Fuels | Types of Fuels

01-ecu control-system control-conceptual diagram-HSD work

The Full Hybrid

Toyota’s unique hybrid system combines an electric motor and a gasoline engine in the most efficient manner. It saves fuel and reduces emissions while giving ample power.

Taking advantage of the electric motors’ low-speed torque at start-off

When the car starts off, Toyota’s hybrid vehicles use only the electric motors, powered by the battery, while the gas/petrol engine remains shut off. A gas/petrol engine cannot produce high torque in the low rpm range, whereas electric motors can – delivering a very responsive and smooth start.

01-hybrid-system-concept cars-gasoline electric mechanical hybrid system

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