On-Board Battery Charger

On-Board Battery Charger
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The on-board battery charger is a DC charging device mounted inside the electric vehicle, and transfers an AC input into a DC output to supply a reliable charge to your EV.

The on-board charger is designed with a wide DC output range of 200VDC-450VDC, 250VDC-650VDC and 300VDC-750VDC (adjustable) to meet various voltage and charging requirements.

The on-board charger allows users to charge their electric vehicle so long as there is a reliable power socket, because it is a movable charging pile that features a compact structure, an excellent cooling performance, and outstanding insulation effects.

Applications

Applicable for all types of electric vehicle on-board DC charging.

Advantages
  • Wide input voltage range: 90V-264V, designed with input surge protection, and each charger module has power of 3.3kW, 6.0kW or 20kW
  • The system uses DSP (digital signal processing) control technology, and is 100% numerically controlled from input to output
  • Input THDI < 3%, input power factor reaches 0.99 and overall efficiency reaches 95% and above;
  • Wide output voltage range: 200-750VDC (adjustable): suitable for meeting different charging requirement voltage demands
  • Low DC ripple causes minimal effects on battery lifespan
  • Standard CAN communication interface configuration allows for easy data transferring with external devices.
  • The on-board battery charger is equipped with input overvoltage protection, undervoltage alarming, output overcurrent and short circuit protection functions;
  • The on-board battery charger is equipped with a 13.8VDC auxiliary power supply to support the BMS (battery management system).
Technical parameters
Model VRM360P20000W VRM360P6000W VRM360P3200W
System capacity 20kW 6.0kW 3.3kW
Input voltage 220Vac/380Vac 220Vac 220Vac
Range of input voltage 90-264VAC; 90-175VACoutput power derating 50%
Input frequency 50/60HZ
Input power factor 0.99
Input THDI ≤3%
Overall efficiency ≥95%
Output voltage 200VDC-450VDC / 250VDC-650VDC / 300VDC-750VDC
BMS auxiliary power supply 13.8VDC/7.5A
Output voltage tolerance <0.5%(13.8VDC<1%)
Output current tolerance <1%
Peak to peak noise voltage of DC output <1%
Startup & shutdown overshoot <10%
Soft start time 5S
Operating temperature -40℃~65℃
Storage temperature -40℃~70℃
Operating humidity 5%-95%, 40±2℃, non-condensing
Altitude range 4000 m
Dimension (W*D*H)mm 415*460*110 280*460*110 280*350*110
Heat dissipation method Air cooling/liquid cooling
Protection level IP67
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