3 Phase Intelligent AC-DC Power Converter from China Suppliers | High Efficiency Power for Industrial Factory Applications
Product Features
Constant Power Voltage
Wide range of 300Vdc~1000Vdc constant power output.
Low-Voltage Load Capacity
Strong 50V high-current output to meet low-voltage vehicle charging needs.
High Efficiency
Optimized high efficiency operation across the entire load range.
Ultra-low Standby Power
Consumes less than 12W, featuring full support for sleep mode.
Isolated Air Ducts
Isolated air ducts filling design ensures good heat dissipation and high reliability.
Intelligent Discharge
Built-in intelligent discharge circuit automatically discharges residual charge.
Anti-Reverse Protection
Battery anti-reverse flooding protects the battery and ensures reliable system operation.
Full Digital Control
Dual DSP design provides high reliability control and monitoring.
Non-destructive Hot-swap
Plug-and-play functionality for quick and convenient system maintenance.
Wide Grid Adaptability
Wide range of input voltage (260Vac ~ 530Vac) to adapt to various power grids.
Wide Output Range
Output range of 50Vdc~1000Vdc, adapted to all kinds of storage batteries.
Wide Temperature Range
Operates reliably in extreme temperatures ranging from -40℃ to +75℃.
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 | 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)
Q1: What are the input voltage options for these models?
The input voltage ranges from 90~280Vac for the BEG75020S-21kw model, and 260~530Vac for both the BEG75040-75kw and BEG75050-400kw models, allowing adaptability to various power grids.
Q2: Does the system support hot-swapping?
Yes, it features non-destructive hot-plugging. This plug-and-play design ensures quick and convenient maintenance without system disruption.
Q3: How do the protection systems handle overvoltage and overcurrent faults?
For output overvoltage, over-current, and short-circuit faults, the system automatically shuts down and locks. It will require a manual power reset to resume operations.
Q4: What is the operating efficiency and standby power consumption?
The module operates at a high efficiency of over 95% under full load. Additionally, it has an ultra-low standby power consumption of less than 12W and supports sleep mode.
Q5: Can these modules be used in extreme temperatures and high altitudes?
Yes, the operating temperature range is -40ºC to +75ºC (with derating starting from +55ºC). The standard operating altitude is up to 2000m; above this altitude, derating needs to be considered.
Q6: How is the status of the device monitored?
Monitoring is handled via CAN communication. The modules feature integrated indicator lights: Green indicates normal operation, Yellow signals a protection alarm, and Red signals a fault alarm.



