Maximum Braking Energy Recovery of Electric Vehicles and Its Influencing Factors

Based on an analysis of the principle and energy flow of regenerative braking,relations among braking power,regenerative braking power and braking energy recovery efficiency are revealed.Analysis results show that motor,battery and hydraulic brake system are main factors to affect braking energy recovery,of which,the influences of layout of brake pipes are specially introduced.Under ideal and typical braking condition,the potential of braking energy recovery and braking energy recovery efficiency of front-axis electric drive vehicles can be calculated,but the results are not satisfactory.A comparative study shows that dual-axis electric drive vehicles can achieve optimal performances on the potential of braking energy recovery,braking efficiency and braking energy recovery efficiency.