240V telecom DC UPS for IDC
Negotiable /Set
Min.Order:1 Set
Shijiazhuang Tonhe Electronics Technologies Co., Ltd.
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.