Product Features

High Efficiency and Energy Saving

• Wide constant power voltage range: 300Vdc to 750Vdc constant power output
• Ultra-high efficiency: All-SiC design, peak efficiency > 97%

Safe and reliable

• Three-phase AC input without neutral line: Eliminates the risk of excessive neutral line current and reduces system costs
• Bidirectional energy flow: AC/DC and DC/AC bidirectional conversion, smooth transition of power flow direction
• High-frequency transformer isolation: Ensures high reliability of bidirectional conversion modules

Intelligent and convenient

• Fully digital control: Dual DSP design, highly reliable control

Supports grid-connected and off-grid applications: Adaptable to various application scenarios

Wide compatibility

• Wide AC voltage range: 260Vac to 485Vac, suitable for various power grids

Wide DC voltage range: 100Vdc to 750Vdc, compatible with various power batteries and energy storage batteries

Application scenarios

• High-efficiency and energy-saving V2G charging piles
• Photovoltaic energy storage ultra-fast charging and discharging system

Energy storage systems

• Second-life utilization of retired batteries
• Various production and testing equipment

Basic Parameters

BAC75050

• Input Voltage Range: 260Vac–530Vac, 3L+PE
• Output Voltage Range: 50Vdc–750Vdc, with voltage adjustment step of 0.1Vdc
• Constant Power Output Voltage Range: 400Vdc–750Vdc
• Output Power: 20kW
• Maximum Output Current: 50A
• Dimensions: 85mm (height) × 226mm (width) × 395mm (depth) (excluding handles and protruding parts of terminals)

AC Input

• Input Voltage Range: 260Vac–530Vac, 3L+PE
• Maximum Input Current: <37A
• Frequency Range: 45Hz–65Hz
• Power Factor: ≥0.99
• Efficiency (Full Load): >95%
• THD: <5%

DC Output

• Voltage Regulation Accuracy: <±0.5%
• Current Regulation Accuracy: ≤±1% (output load within 20%–100% of rated range)
• Output Current Limiting: Continuously adjustable from 0.2–50A
• Current Balancing: Imbalance <±5%
• Output Current: 0–50A
• Constant Power Output Voltage Range: 400Vdc–750Vdc
• Voltage Range: 50Vdc–750Vdc, with voltage adjustment step of 0.1Vdc
• Output Power: 20kW

Working Environment

• Relative Humidity: ≤95%RH, no condensation
• Altitude: 2000m; derating should be considered for use above 2000m
• Cooling Method: Forced air cooling
• Operating Temperature: -40°C–+75°C; derating use above +55°C

Other Parameters

• Dimensions: 85mm (height) × 226mm (width) × 395mm (depth) (excluding handles and protruding parts of terminals)
• Weight: ≤11kg
• Communication Method: CAN bus
• Mean Time Between Failures (MTBF): >500,000 hours
• Compliance Standards: GB/T18487, NB/T33001, NB/T33008