Capacity: 30-1000A Switch Mode Power Supply
Features: Integrated with communication power, AC and DC power distribution; Modular rectifier with hot-swappable function; Compatible with LiFePO4 batteries and lead-acid batteries
Description: E48 Series is switch mode power supply for telecommunication with capacities from 30A to 1000A
Application Field
Base stations, small and medium size switching centers, wave network communications, satellite communications, data communications, data centers etc.
Performance Characteristics
High reliability
1.Ultra-wide mains input range: more suitable for harsh grid environment.
2.Perfect battery management: with functions of temperature compensation, automatic equalization,
floating charge control, automatic voltage regulation,battery capacity calculation and online battery testing.
3.Adopt advanced CPU and multiple microprocessor control technology to make the switching power supply more stable and more reliable.
Excellent Design
1.The rectifier module adopts non-destructive hot-swappable technology to realize less than 1minute replacement time.
2.Compatible with LiFePO4 batteries and lead-acid batteries for different application scenarios.
3.Digital-control active power factor correction technology with input power factor 0.99 to avoid pollution to the grid.
Perfect Protection
1.With input over and under voltage protection,output over, under voltage protection, short circuit protection, over current protection, lightning protection, fan fault alarm protection, fault display, historical alarm record storage and other functions to ensure the reliable operation of load equipment.
Dimensions:
Performance
|
1.Input |
|||||
|
Item |
Parameter |
Unit |
Remark |
||
|
Input Voltage Range |
Start 140—290 |
Vac |
The input voltage range is the phase voltageof three-phase AC, and the system startingvoltage shall be greater than or equal to140vac |
||
|
Running 90-290 |
|||||
|
Rated Voltage |
220 |
Vac |
Phase voltage |
||
|
Voltage Frequency |
43—67(Typical value is 50/60) |
Hz |
|||
|
PF |
≥0.99 |
Full load working condition |
|||
|
2.Output |
|||||
|
Item |
Parameter |
Unit |
Remark |
||
|
Rated Voltage |
-53.5 |
Vdc |
Input 220Vac |
||
|
Voltage Range |
-42 ~ -58 |
Vdc |
Adjustable by monitoring (test condition: noload) |
||
|
Single Module Capacity |
30 or 50 |
A |
Flexible configuration according torequirements |
||
|
Output Current |
30 ~ 1000 |
A |
Under rated output conditions, 300A outputis guaranteed at 90-176vac input |
||
|
Output Ripple and Noise |
≤200 |
mVp-p |
The bandwidth of the oscilloscope shall be 20MHz, and the probe shall be connectedin parallel with 10u + 104 capacitor |
||
|
Power On Output Delay |
3 ~ 8 |
S |
Input 220VAC, AC input is calculated afterthe AC contactor is pulled in。
|
||
|
Voltage Stabilizing Accuracy |
≤±1% |
||||
|
Noise
|
Broadband Noise voltage |
≤100 |
mV |
3.4—150 KHz |
|
|
≤30 |
mV |
150—30 MHz |
|||
|
Index |
Telephone Weight Noise voltage |
≤2 |
mV |
||
|
Dynamic Response |
Overshoot Amplitude |
△V： ≤5 |
%Vo |
25%—50%—25% or 50%—75%—50% Loadchange |
|
|
Recovery Time |
△t： ≤500 |
µS |
|||
|
Current Sharing Imbalance |
≤5% |
Module parallel 50%—100% Rated output（Power modules can work in parallel） |
|||
|
Temperature coefficient |
±0.02 |
%/℃ |
|||
|
Output Efficiency |
≥92% |
220Vac/ Rated load (typical) |
|||
|
≥87% |
110VAC/Rated load |
||||
|
3. Alarm and Protection Points |
|||||
|
Item |
Parameter |
Unit |
Remark |
||
|
System Input Over voltageCut-off |
298±5 |
VAC |
Automatic recovery, recovery point290V±5V |
||
|
Module Input Overvoltage Protection |
≥300 |
VAC |
Output 0A（ ACSOURCE+ Voltageregulator test） |
||
|
System Input Under voltagecut-off |
68±5 |
VAC |
Automatic recovery, recovery point136V±5V |
||
|
4. Physical Characteristics |
|||||
|
Dimension and weight are subject to the power distribution module size and power module capacity. |
|||||
Product case 1
Users use Evada E4890-3U to supply power to optical transmission equipment, realize N+1 redundancy function, and improve the reliability and stability of power supply.
