input AC 380V, output 240V DC, connect directly to PC and Server, just like uninterruptible power systems, no need to change
Rectifier Module
theory for the UPS replacement by 240V DC system
Parameter details :
Parameter | Integrated 240V DC power system | ||||||||
Input | Input voltage | 380V AC±15% 3 phase, or 220V AC±15% | |||||||
AC input frequency | 45Hz ~ 65Hz | ||||||||
Efficiency | ≥94.3% (singel rectifier module) | ||||||||
Output | Output voltage | 204-288V DC adjustable | |||||||
Output current | 400A / 1200A | ||||||||
power factor | ≥0.99 | ||||||||
Ripple | ≤ ± 0.5% | ||||||||
harmonic current | ≤5% | ||||||||
Start delay | 3 ~ 8s | ||||||||
Current stabilization | ≤ 1% | ||||||||
Voltage stabilization | ≤ ± 0.5% | ||||||||
Inter-rectifier Current sharing imbalance | ≤ ± 3% | ||||||||
Cooling method | Self-cooking, or forced cooling with fan | ||||||||
Protocal | RS485, RS232 | ||||||||
Accoustic noise | <60dB | ||||||||
Protection | Multi-protection | Multi-protection including input over or under-voltage, output over or under-voltage, over-temperature, reverse connection, phase failure, and short circuit protection. The rectifier will shut down without output, and will return to normal operating after fault is cleared. | |||||||
Automatic current limiting | The output current will keep fixed without increase after it exceed the set point. | ||||||||
Environment | Operation ambient temperature | -10°C ~ 40°C | |||||||
Storage temperature | -40°C~ 70°C | ||||||||
Relative humidity | ≤ 90% | ||||||||
Air pressure | 70 ~ 106kPa | ||||||||
Safety | Insulation resistance | I/O to chassis and input to output >20MΩ (Test voltage: 500Vdc) | |||||||
Dielectric strength | Impose 2500Vdc between I/O and the chassis aftering shorting the input and output for one minutes. No breakdown or flashover | ||||||||
Mechanical | Cabinet Size (W × D × H) mm | 800×600×2260, customized according to configuration |
Main Features: (1) modular design characteristic of switching power supply (2) redundancy hot standby (3) adjustable to various power networks with super-wide voltage input range (4) rectifiers being hot-pluggable, convenient for online maintenance (6) with the patent switching technology, the rectifiers features high efficiency with low EMI (7) low difference active load sharing of rectifiers ensures inter-rectifier imbalance rate of only 3% (8 ) CE safety and EMC certified rectifiers, ensuring reliability and safety (9) open interface design with strong communication function, RS485, or RS232 (10) automatic battery management and protection, with real-time monitor function over battery operation state and parameters
Main Component: (1) AC input distribution: AC distribution cabinets. (2) Rectification: rectifiers and insulation diodes (3) DC output distribution: diode chain, IMS, switching branches (connected to the switching bus), and control branches (connected to the control bus). (4) Monitoring system: power control unit (PCU) and distribution monitoring box. (5) All the modules and components could be customized accordingly.
New generation of uninterruptible power systems - 240V DC system, low cost, high reliability