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High-Efficiency 3 Phase Intelligent AC-DC Power Converter - China Suppliers & Factory for Industrial Power Solutions
Product Features
1
Wide constant power voltage range: 300Vdc~1000Vdc constant power output
2
Strong low-voltage load capacity: 50V high-current output to meet the needs of low-voltage vehicle charging
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High efficiency: High efficiency operation in the full load range
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Ultra-low standby power consumption: <12W, support sleep mode
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Isolated air duct filling design: Good heat dissipation, high reliability
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Built-in intelligent discharge circuit: Automatic discharge of residual charge, high system reliability
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Battery anti-reverse flooding: Effective protection of the battery while ensuring reliable system operation
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Full digital control: Dual DSP design, high reliability control
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Non-destructive hot-swap: Plug-and-play, convenient maintenance; high system reliability
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Wide input voltage range: 260Vac ~ 530Vac, adapting to a variety of power grids
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Wide output voltage range: 50Vdc~1000Vdc, adapted to all kinds of power batteries and storage batteries
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Wide temperature range: -40℃ ~ +75℃
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Multi-scenario adaptability: Public charging piles, optical storage supercharging systems, heavy truck charging and switching equipment, seaside charging piles, etc.
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 | |||
| Input undervoltage protection | Automatic shutdown protection; automatic resumption of work after normal input | ||
| Output overvoltage protection | Automatically shuts down and locks; needs to be re-powered on to resume work | ||
| Over-current and short-circuit protection | Automatically shuts down and locks; 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
Q
What is the output voltage range supported by the BEG750 series charger modules?
The BEG750 series supports a wide DC output voltage range of 50Vdc to 750Vdc, making them compatible with a broad spectrum of power batteries and storage batteries used in various EV charging applications.
Q
What is the efficiency of the BEG750 series under full load conditions?
The BEG750 series achieves an efficiency of greater than 95% under fully loaded conditions, ensuring minimal energy loss and reduced operating costs across the entire load range.
Q
What protection mechanisms are built into the BEG750 series modules?
The modules include comprehensive protection features such as input undervoltage protection, output overvoltage protection, over-current and short-circuit protection, over-temperature protection, and battery anti-reverse flooding. These ensure both system and battery safety under abnormal conditions.
Q
What operating temperature range do the BEG750 series modules support?
The modules operate reliably across a wide temperature range of -40°C to +75°C, with derating applied above +55°C. Storage is supported from -40°C to +80°C, making them suitable for extreme climate environments including seaside and cold-region deployments.
Q
Does the BEG750 series support hot-swap (hot-plugging) capability?
Yes. The BEG750 series features non-destructive hot-swap functionality, allowing modules to be plugged and unplugged without powering down the system. This plug-and-play design greatly simplifies maintenance and minimizes downtime.
Q
What application scenarios are the BEG750 series modules suitable for?
The BEG750 series is designed for diverse charging scenarios including public EV charging piles, optical storage supercharging systems, heavy truck charging and battery-swapping equipment, and charging piles for seaside or harsh-environment applications. Their wide input/output voltage range and robust protection make them highly versatile.



