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China Economic AC/DC Battery Charger Factory - Reliable Suppliers for Modern DC Systems
System Performance
Modular design, N+1 hot backup, smooth expansion; Intelligent design, achieve the following functions automatically via serial communication: module switch on/off; charging mode converting, output voltage setting, output current setting, SYNC switch over and etc. With standard RS-485 interface, easy to work with automation system, "4-remotes" function; With CAN interface; Hot swappable.
Main Features
- High efficiency, over 94%
- High power converter frequency, high stability, small size and light weight
- Isolation automatic current sharing technology, unevenness ＜±3%
- Built-in output isolation diode
- LED digit display, indication lights, button operation
Product Parameter
| Parameter | 230D20NZ-D | |
|---|---|---|
| Model Item | 230D20NZ-D | |
| Output Current (A) | 20 | |
| Power (KW) | 6 | |
| Weight (kg) | 7.5 (with package) | |
| Cooling Type | Fan cooling | |
| Radiator T-rise | ≤30℃ | |
| Input Voltage (VAC) | Min | 323 |
| Typical | 380 | |
| Max | 437 | |
| Output Voltage (VDC) | Min | 176 |
| Typical | 242 | |
| Max | 300 | |
| Voltage Regulation | ±0.5% | |
| Current Regulation | ±1% | |
| Efficiency | ≥94% | |
| Storage Temperature (℃) | Min | -40 |
| Typical | 25 | |
| Max | 60 | |
| Working Temperature (℃) | Min | -10 |
| Typical | 25 | |
| Max | 40 | |
| Current Share Imbalance | ±3% | |
| Soft Start Time (S) | 3~8 | |
| Ripple | ≤0.5% | |
| Over Voltage Protection | 320±15 VDC | |
| Automatic Current Limit | The output current does not increase infinitely; when overloaded, there will be limited constant current output. The maximum output current is limited to 110% of the rated output current. | |
| Load Grade | Continuous working with Grade I (100%) rating output current | |
| Short Circuit Protection | When short circuit occurs, the module will protect itself from damage. Self recoverable. | |
| Note: The influence of the built-in diode is neglected when mentioning voltage regulation. | ||
Frequently Asked Questions
Q
What is the rated output current and power of the 230D20NZ-D module?
The 230D20NZ-D module delivers a rated output current of 20A with a power capacity of 6KW, making it suitable for high-demand industrial charging and power conversion applications.
Q
What input voltage range does the 230D20NZ-D support?
The module supports an AC input voltage range from a minimum of 323VAC to a maximum of 437VAC, with a typical operating voltage of 380VAC, ensuring compatibility with standard three-phase industrial power supplies.
Q
What communication interfaces are available on this module?
The 230D20NZ-D is equipped with a standard RS-485 interface for easy integration with automation systems, supporting "4-remotes" functionality. It also features a CAN interface for advanced communication needs.
Q
How does the module handle overload and short circuit conditions?
The module features automatic current limiting, capping the output at 110% of the rated current during overload. In the event of a short circuit, the module activates self-protection and is self-recoverable once the fault is cleared.
Q
What is the efficiency rating and how is current sharing managed in a multi-module system?
The 230D20NZ-D achieves an efficiency of ≥94%. It uses isolation automatic current sharing technology, keeping current share imbalance within ±3%, which ensures stable and balanced operation across multiple paralleled modules.
Q
Is the 230D20NZ-D hot swappable and what is the system expansion capability?
Yes, the module supports hot swapping, allowing replacement or addition of modules without powering down the system. The modular design supports N+1 hot backup and smooth capacity expansion, providing high system reliability and flexibility.