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New generation of uninterruptible power systems - 240V DC system, low cost, high reliability
New generation of uninterruptible power systems - 240V DC system, low cost, high reliability

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 
InputInput voltage380V AC±15% 3 phase, or 220V AC±15%
AC input frequency45Hz ~ 65Hz
Efficiency≥94.3% (singel rectifier module)
OutputOutput voltage204-288V DC adjustable
Output current400A / 1200A
power factor≥0.99
Ripple≤ ± 0.5%
harmonic current≤5%
Start delay3 ~ 8s
Current stabilization≤ 1%
Voltage stabilization≤ ± 0.5%
Inter-rectifier Current sharing imbalance≤ ± 3%
Cooling methodSelf-cooking, or forced cooling with fan
ProtocalRS485, RS232
Accoustic noise<60dB
ProtectionMulti-protectionMulti-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 limitingThe output current will keep fixed without increase after it exceed the set point.
EnvironmentOperation ambient temperature-10°C ~ 40°C
Storage temperature-40°C~ 70°C
Relative humidity≤ 90%
Air pressure70 ~ 106kPa
SafetyInsulation resistanceI/O to chassis and input to output >20MΩ (Test voltage: 500Vdc)
Dielectric strengthImpose 2500Vdc between I/O and the chassis aftering shorting the input and output for one minutes. No breakdown or flashover
MechanicalCabinet Size (W × D × H) mm800×600×2260, 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

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