EVWB Bi-direction Test Power Supply

The EVWB series is bi-direction type power supply newly-developed by WOCEN, which adopts four-quadrant PWM rectifying, bi-direction BUCK conversion and complete digital control technologies etc. It is featured for bi-direction energy flow, 100% energy feedback, high precision & efficiency and abundant remote-control interface. Now, it is widely used for EV motor test, EV motor controller test and new type battery test etc.



1. Four-quadrant control technology adopted, full power range bi-direction energy flow, high efficiency energy feedback to power grid.
2. Output modes of constant voltage, constant current, constant applied.
3.Fast response speed.
4.High-speed digital control technology, 0.1% output precision.
5.PWM rectifying technology, power factor>0.99, input harmonics<3%, efficiency better than 93%.
6. Automatic line voltage compensation function can automatically compensate line loss.
7. 7'' touch screen for operation and display.
8. The output parameters and protection parameters are programmable and can be used for different types of equipment testing.
9. World-famous brand components used, like Infineon and LEM.

10. Built-in modular design for convenient maintenance.