AC–DC Rectifier Chargers
China Suppliers 3 Phase Intelligent AC-DC Power Converter – High Efficiency Power Supply from Reliable Factory
Introducing the BEG Series 3 Phase Intelligent AC-DC Power Converter from Bangzhao Electric, a leading supplier of high-quality power solutions in China. This robust power supply unit is specifically engineered for industrial applications, delivering stable and powerful energy output essential for demanding industrial equipment and production lines. With its advanced three-phase power supply mode, the BEG series ensures high efficiency in power conversion, significantly minimizing energy loss. Trust Bangzhao Electric’s factory to provide reliable power solutions that meet the rigorous standards of modern industry
Product Features
Wide Constant Power Voltage: 300Vdc~1000Vdc constant power output.
Strong Low-Voltage Load Capacity: 50V high-current output to meet low-voltage vehicle charging demands.
High Efficiency: Delivers high-efficiency operation across the full load range.
Ultra-Low Standby Power: Standby power consumption <12W with sleep mode support.
Isolated Air Ducts Filling Design: Ensures superior heat dissipation and high reliability.
Intelligent Discharge Circuit: Automatically discharges residual charge for enhanced system safety.
Battery Anti-Reverse Flooding: Effectively protects the battery while securing continuous system operation.
Full Digital Control: Advanced dual DSP design ensuring precision and high reliability control.
Non-Destructive Hot-Swap: Plug-and-play architecture for simplified and convenient maintenance.
Wide Input Voltage Range: 260Vac ~ 530Vac input compatibility adapts to various regional power grids.
Wide Output Voltage Range: 50Vdc~1000Vdc, fully adapted to all power and storage batteries.
Wide Temperature Range: Reliable operation across harsh environments from -40℃ to ＋75℃.
Adapt to Multiple Scenarios: Ideal for public charging piles, optical storage supercharging systems, heavy truck charging & switching equipment, and seaside applications.
Technical Specifications
| Model | BEG75020S-21kw | BEG75040-75kw | BEG75050-400kw |
|---|---|---|---|
| AC Input | |||
| Input voltage | 90~280Vac | 260~530Vac | 260~530Vac |
| Max. input current | <96A | <150A | <740A |
| Input frequency | 55±10Hz | ||
| Power factor | ≥ 0.99 | ||
| Efficiency (fully loaded) | >95% | ||
| THD | <5% | ||
| DC Output | |||
| Rated output | 21kW | 75kW | 400kW |
| Output voltage range | 50~750Vdc | 50~750Vdc | 50~750Vdc |
| Constant power voltage range | 350~750Vdc | 400~750Vdc | 400~750Vdc |
| Output current range | 0~60A | 0~187.5A | 0~1000A |
| Output current limiting | 0.1-60A | 0.1-187.5A | 0.2-1000A |
| Current sharing | Imbalance < ±5% | ||
| Voltage stabilized accuracy | ≤ ±0.5% | ||
| Current stabilized accuracy | ≤ ±1% | ||
| Monitor & Communication | |||
| Communication | CAN | ||
| Indicator light | Green: Normal operation | Yellow: Protection alarm | Red: Fault alarm | ||
| Operating Environment | |||
| Operating temperature | -40ºC ~ +75ºC (derates from +55ºC) | ||
| Storage temperature | -40ºC ~ +80ºC | ||
| Humidity | ≤95%RH, without condensation | ||
| Cooling | Fan cooling | ||
| Altitude | 2000m (Above 2000m, derating needs to be considered) | ||
| Alarm and Protection | |||
| Entered Undervoltage protection | Automatic shutdown protection, automatic resumption of work after normal input | ||
| Output overvoltage protection | Automatically shuts down and locks, and needs to be re-powered on to resume work | ||
| Over-current and short-circuit protection | Automatically shuts down and locks, and needs to be re-powered on to resume work | ||
| Over-temperature protection | Automatic shutdown protection, automatic resumption of work after normal temperature | ||
Frequently Asked Questions (FAQ)
What is the constant power output voltage range of these modules?
The series provides a wide constant power voltage output range of 300Vdc to 1000Vdc, with specific ranges of 350~750Vdc for the 21kW model and 400~750Vdc for the 75kW and 400kW models.
What AC input voltage ranges are supported?
The BEG75020S-21kw model supports an AC input voltage range of 90~280Vac, while the BEG75040-75kw and BEG75050-400kw models support 260~530Vac, accommodating diverse power grid conditions.
What built-in protection and safety mechanisms are included?
The units feature comprehensive alarms and protections, including entered undervoltage protection, output overvoltage protection, over-current and short-circuit protection, over-temperature protection, intelligent discharge, and battery anti-reverse flooding protection.
What are the primary application scenarios for these charging modules?
These modules are designed for public charging piles, optical storage supercharging systems, heavy truck charging and battery switching equipment, and seaside charging infrastructure.
Does the unit support hot-swapping and low-standby power consumption?
Yes, it features a non-destructive hot-plugging design for convenient maintenance and plug-and-play installation, alongside an ultra-low standby power consumption of <12W with sleep mode support.
What communication and control architecture are utilized?
The series adopts a dual-DSP full digital control system for high-reliability operation and uses standard CAN bus communication for real-time monitoring and system control.
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