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What is the working principle of Toyota's Dual Hybrid system?

1 Answers

DelJasper

07/25/25 5:42am

The working principle of Toyota's Dual Hybrid system involves converting kinetic energy during braking into electrical energy, and it can also shut off the engine when the vehicle is stuck in traffic. Unlike traditional gasoline-powered cars, Toyota's Hybrid System (THS) does not use a dedicated starter when the engine starts; instead, it utilizes the generator to initiate the engine. The advantages of this system: The power transmission device consists of two motors (MG1, MG2), a compound gear mechanism, an Atkinson cycle engine, an inverter assembly, and an HV battery, along with the HVECU. This system can distribute power transmission under various operating conditions using the engine and the HV high-voltage battery, featuring low pollutant emissions and smooth acceleration. Introduction to Dual Hybrid: Dual Hybrid is the Chinese name for Toyota's hybrid technology. As the name suggests, it has two 'engines' that jointly drive the vehicle: a gasoline engine and an electric motor (hybrid). These two power units can operate individually or collaboratively based on different conditions and user needs, making the Dual Hybrid's driving mode highly efficient with notably significant fuel-saving effects.

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