EVS Powers
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Telecom Power Systems are designed for wireless broadband access, fixed-line applications, Internet backbone and datacenters. Our reliable, energy-efficient telecom power solutions protect against grid power interruptions and fluctuations and help operators reduce OPEX and their carbon footprint.
This Telecom Power System is for communication, with an output voltage of 48V and output current of 0-30A. Its features include input over/under-voltage protection, output over-current protection, and output over-voltage protection.
Telecom Rectifier System, Telecom Power System, with the following features and functions:
| No. | Items | Technical Specifications / Requirements | Unit | Remarks |
|---|---|---|---|---|
| 1. Telecom Rectifier System Input Characteristics | ||||
| 1.1 | Input rated voltage | 200—240 | Vac | 110VAC INPUT, 900W Output |
| 1.2 | Input voltage range | 90—290 | Vac | OR 100-400VDC |
| 1.3 | Input Current | ≤20 | A | Lowest input voltage, rated load |
| 1.4 | Input voltage frequency | 50/60 | Hz | - |
| 1.5 | Power factor | ≥0.99 | - | Rated input voltage, rated load |
| 1.6 | Input Shock Current | ≤15 | A | 264Vac |
| 2. Output Characteristics | ||||
| 2.1 | Output Rated Voltage | 54 | Vdc | - |
| 2.2 | Output current range | 30 | A | Input voltage: 176—290Vac |
| 18 | A | Input voltage: 90—175Vac | ||
| 2.3 | Output voltage range | 53.5 | Vdc | - |
| 2.4 | Efficiency | ≥96% | - | 220Vac input, output 54Vdc/30A |
| ≥92% | - | 110Vac input, output 54Vdc/18A | ||
| 2.5 | Output ripple & noise | ≤200 | mVp-p | Rated load, frequency band limited to 20MHz |
| 2.6 | Turn-on output delay | 3—8 | S | Vin=220Vac |
| 2.6a | Output rising time | ≤200 | mS | Output voltage rises from 10% to 90%, rated load |
| 2.7 | Turn on/off overshoot | ≤±5 | %Vo | - |
| 2.8 | Combined regulation | ≤±1% | - | - |
| 2.10 | Transient Response | Overshoot: ≤±5% | Vo | 5%—50%—25% or 50%—75%—50% load change |
| Recovery time: ≤200 | µS | |||
| 2.11 | Phone weighed noise voltage | ≤2 | mV | - |
| 2.12 | p-pk value noise | ≤400 | mV | 0—300KHz |
| 2.13 | Wide frequency noise voltage | ≤100 | mV | 3.4—150KHz |
| ≤30 | mV | 0.15—30000KHz | ||
| 2.14 | Disperse noise | ≤5 | mV | 3.4—150KHz |
| ≤3 | mV | 150—200KHz | ||
| ≤2 | mV | 200—500KHz | ||
| ≤1 | mV | 500—30000KHz | ||
| 3. Battery Management Characteristics | ||||
| 3.1 | Floating charge current limiting | 10±1.5 | A | - |
| 3.2 | Battery undervoltage protection point | 42.5—43.5 | V | Cut load, protect battery |
| 4. Other Characteristics | ||||
| 4.1 | MTBF | 100,000 | H | - |
