Technical requirement:
1. DC converter adopts active power factor compensation technology, power factor up to 0.99.
2.DC input voltage of normal operating range as wide as 40 ~60V.
3.DC converter adopts full bridge soft switching technology, efficiency can reach above 92%.
4.DC converter adopts no damage hot insert and pull technology, replacement time less than 1min.
5. Network design, providing a variety of communication interfaces (for example: RS485, dry contact), flexible networking can
achieve local and remote monitoring, unattended. Perfect DC and DC side lightning protection design used in multi thunderstorm area.
6.Complete fault protection, fault alarm function.
7. Comprehensive operation and maintenance, and can be mounted against the wall, saving space effectively.
8. Ultra-low radiation. Adopt advanced electromagnetic compatibility design, the rectifier module can meet requirements for conducted and
radiated interference of "the communication power equipment electromagnetic compatibility Limits and methods of measurement "
( People's Republic of China telecommunications industry standard YD/T983)。
9.Safe and reliable. System design in full compliance with safety standards EN60950 and GB4943。
input :DC48V
output:DC24V 50A
| Input | |||||
| Parameter | Min. | Rated | Max. | Unit | Note |
| Rated working voltage range | 53.5 | Vdc | |||
| Input voltage range | 40 | 53.5 | 60 | Vdc | |
| Input frequency | 43 | 50 | 67 | Hz | |
| Battery input | 43.2 | 53.5 | 58 | Vdc | Battery pack’s positive and negative in parallel with DC output of rectifier module (polarity consistent) |
| Output | |||||
| Parameter | Min. | Rated | Max. | Unit | Note |
| Output voltage range | 21 | 26.8 | 29 | Vdc | |
|
Output current range （max.current） | 0 | 300 | A | ||
| Regulation dccuracy | ±1 | % | |||
| Load regulation | ±1 | % | |||
| Source regulation | ±1 | % | |||
| Current sharing regulation | ±1 | % | |||
| Battery output | A | ||||
| Ripple ( peak – peak value) | 200 | mv | Network 20MHｚ testing. | ||
| Output efficiency | 89.5 | % | 53.5Vdc Input | ||
Various specifications of DC converters can be customized:
DC48V to DC24V，24V to 48V ，48V to 48V ， 48V to 110V，48V to 280V，48V to 380V...
DC220V to DC24V，220V to 48V ，380V to 48V ， 380V to 110V，380V to 220V，220V to 110V...
