WHFC-KS Series Electric Vehicle Quick Charging Rectifier Power Supply

1:Programming 2:SCR firing control&output regulation 3:Parameter&Alarm Indication 4:Interfacing with external PC or PLC

Summary

The series product adopts IGBT inverter soft switch AC-DC/DC-AC/AC-DC rectifier and LC wave filtering charging, Active filtering at AC power supply into line side and power factor correction, improve power factor, electricity does not pollute grid, when charging the battery, meanwhile discharge and depolarize batter to improve the receiving capability of battery charge. Active inverter of discharge energy contribute to power grid, thus to improve battery life while to save energy. Control system adopts DSP computer digital instantaneous value double-loop control system, with the functions of constant current limiting voltage, constant voltage limiting current, output response speed is quick and no overshoot. Small volume, light weight and high efficiency, it can be widely used for quick charging for electric vehicle, plant battery transfer vehicle, electric forklift and sightseeing vehicle in scenic area, it can also be used for charging lead acid battery and battery.

Main Technical Features and Performance Index:

1. Operation mode: local/remote operation mode can be chosen

2. Output control mode: constant current limiting voltage and constant voltage limiting current output control mode

3. Constant voltage control accuracy≤±0.5%, constant current control accuracy≤±0.5%

4. Rectifier mode: AC-DC/DC-AC/AC-DC high frequency inverter soft switch rectifier plus LC wave filtering

5. Comprehensive harmonic control network side of active filter, total elimination of harmonic pollution produced by the rectifier on power gird, green electricity

6. High power factor: active power factor correction, power factor≥0.96

7. High transfer efficiency: IGBT resonant soft switch inverter rectifier, efficiency up to ≥0.95

8. PWM quick charging mode, charging interval battery depolarization treatment, batter activation discharge energy contribute to power grid. Comprehensively improve battery life to shorten charging time and energy-saving

9. Main controller: DSP computer digital instantaneous value double-loop control, with quick response speed and no overshoot

10. Output over current and current limiting, protection of output short circuit and instantaneous overload, protection of IGBT rectifier component, high frequency rectifier transformer, over temperature and overheated bus copper bar, overheated wind machine and block trigger pulse protection

11. RS485 remote communication interface can be chosen according to customer’s requirement, remote monitor can be realized by Internet CAN bus, MODBUS bus and PROFIBUS bus communication protocol

12. Real-time display, restore and record work current, work voltage and history curve of current and voltage

13. Can be connected with computer through RS485 communication interface, can be stored by USB disk then re-store to computer, it is convenient for customer to save file so as to analyze device and product quality

14. Cooling mode: forced air cooling

WHFC-KS Series Electric Vehicle Quick Charging Rectifier Power Supply