accelerated with braking energy recovery system recovering excess energy released in vehicle coasting or braking, and by converting it to electricity generator, and then stored in the battery, for later. The battery may also be a vehicle power supply device, reduce dependence on engine fuel consumption and carbon dioxide emissions.
1. The recovered braking capability noun
includes a brake energy recovery system adapted model generator, battery and may monitor the battery charge smart battery management system. Brake energy recovery system recovering excess energy released during the vehicle coasting or braking, and by the generator into electrical energy which is then stored in the battery, for subsequent acceleration traveling. The battery may also be a vehicle power supply device, reduce dependence on engine fuel consumption and carbon dioxide emissions
2. Regenerative braking principle
is a modern regenerative braking of the hybrid electric vehicle and an important technique, but also an important feature thereof. In a general internal combustion engine vehicles, when the vehicle is decelerating or braking, the kinetic energy of the vehicle into heat by the brake system to release the air. In the hybrid electric vehicle, which is wasted can be recovered by the kinetic energy is converted into electrical energy braking energy technology and stored in the battery, and further to driving energy. For example, when the vehicle is started or accelerated, when necessary to increase the driving force, the motor drive force becomes the secondary power of the engine, so that an effective application of electrical energy. Is generally considered in the case of normal braking of the vehicle is not emergency braking, energy of about 1/5 by regenerative braking. Brake energy recovery varies in accordance with a different mode of operation of the hybrid.
For example, in a hybrid Prius, the kinetic energy of the vehicle can be controlled by recycling the regenerative braking coordination hydraulic braking and energy. However, in a hybrid Honda Insight, and a drive motor connected to the engine, it is not possible to eliminate engine braking. Therefore, when the engine brake valve closing all, to eliminate the pumping loss, while there is only purely mechanical friction loss of the engine itself.
In the case where the engine valve is not stopped, the energy can be recovered during deceleration of the vehicle is about 1/3 of the kinetic energy. The timing and the valve lift control system to stop working smart valve, the engine itself, mechanical friction (including pumping loss) can be reduced by about 70 percentage. Energy recovery increased to two-thirds of vehicle motion energy.