Power battery testing and control system of energy recovery electric automobile

The utility model discloses a power battery testing and control system of an energy recovery electric automobile. The power battery testing and control system of the energy recovery electric automobile includes a power storage battery pack, a three-phase/single-phase working frequency transformer, a three-phase/single-phase LC-type current filter, an AC/DC voltage source type current converter capable of realizing bidirectional power flow and a DC/DC converter. The power battery testing and control system of the energy recovery electric automobile also includes an AC/DC current converter control module and a DC/DC converter control module together controlling the three-phase/single-phase AC/DC voltage source type PWM (Pulse Width Modulation) current converter and the AC/DC converter respectively. The AC/DC current converter control module includes an AC/DC current converter driving board and an AC/DCC current converter controlling board. The DC/DC converter control module includes a DC/DC converter driving board and a DC/DC converter controlling board. Bidirectional communication is realized between the AC/DCC current converter controlling board and the DC/DC converter controlling board. In the utility model, all of main circuit power devices work in a switching mode and are easy to have high power. The power battery testing and control system of the energy recovery electric automobile inhibits current pulsation through a smoothing reaction, thereby realizing constant current, constant voltage and constant power charge-discharge control of the power battery pack. The power battery testing and control system of the energy recovery electric automobile in the utility model has high stability.