SD75050 20kW AC/DC Battery Charger
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AC to DC battery charger
The SD75050 20kW AC/DC battery charger is a three-phase, neutral-free AC input DC charging module with patented circuit design. This battery charger module is easy to integrate into portable chargers and is compatible with three-phase AC input.
Applications
AC/DC battery charger is commonly used for charging batteries or DC power systems to provide stable power supply for batteries and other power equipment. The charger is mainly used to meet the fast charging needs of personal vehicles and small logistics vehicles, suitable for operational use in locations such as parking lots.
Features
- AC/DC battery charger comes with a full load efficiency of 95% and a standby power consumption of less than 9W.
- Unique protective design allows for adapting to various charging environments.
- Fully digital control: Dual DSP design enables full digital control of the charging module.
Specifications
| Model | SD75050 | |
| Working Environment | Working temperature | -40℃~ 75℃ (derating for above 55℃) |
| Storage temperature | -40℃~ 80℃ | |
| Relative humidity | ≤95%RH, non-condensing | |
| Cooling method | Fan-cooled | |
| Altitude | 2000m (derating for above 2000m) | |
| AC Input | Input voltage | 380VAC (3PH PE) |
| Max. input current | ＜37A | |
| Frequency | 45Hz~65Hz | |
| Power factor | ≥0.99 | |
| Efficiency (full load) | ＞95% | |
| THD | ＜5% | |
| DC Output | Output power | 20kW |
| Voltage | 100VDC-750VDC, adjustable with 0.1VDC step | |
| Rated output voltage | 400VDC-750VDC | |
| Output current | 0-50A (can be set) | |
| Current limiting | 0.2-50A (adjustable) | |
| Ripple | ＜±5% | |
| Voltage stabilization accuracy | ＜±0.5% | |
| Current stabilization accuracy | ≤±1% (output load 20%~100% of rated range) | |
| Monitoring | Communication | CAN bus (optional) |
| Indicator light | Green: battery charging Yellow: protective alarming Red: battery fault alarming | |
| Alarm & Protection | Input overvoltage/ under voltage protection | Automatic power off protection, and automatic recovery after input voltage being stabilized |
| Output overvoltage protection | Automatic power off and lock, re-power on for recovery | |
| Overcurrent / short circuit protection | Automatic power off and lock, re-power on for recovery | |
| Overheating protection | Automatic power off protection, and automatic recovery after temperature being stabilized | |
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