Method for rapidly testing regenerative braking performance of electric vehicle

The invention relates to the technical field of automobile braking performance testing, in particular to a rapid testing method for regenerative braking performance of an electric automobile, which comprises the following steps of: sequentially switching different braking strengths of the automobile to recover braking energy, and respectively detecting working conditions under each braking strength to obtain working condition information; acquiring rotating speed and torque data of a motor and terminal voltage and terminal current data of a battery in a vehicle braking process based on the working condition information; according to the rotating speed and torque data of the motor in the braking process and the total road driving resistance, the energy recoverability rate is obtained through calculation; the energy conversion rate of the inverter is calculated according to the terminal voltage and the terminal current of the battery in the braking process; carrying out normalization processing; and on the basi