48V Intelligent Communication Power Supply System

CYT48 Intelligent Communication Power Supply System

Forewords

To satisfy the demands of unmanned transformer stations upon DC power supply's high precision, low ripple factor and maintenance-free battery's high quality and intelligent charging, the company has designed and developed a series of computer DC power cabinet (shield), Capable of satisfying connection or disconnection of relay protectors, accidental loads, communications and various DC operating mechanisms at the normal and abnormal states and which are widely applied to such industries as power plants, transformer stations, metallurgies & mines, petroleum, chemical industries, radio broadcasting & television, post & telecommunications, traffic and buildings.

Main technical parameters

1.      AC input voltage          380V ± 15%（3-phase 4-wire）

2.      Rated frequency             50HZ ±2%

3.      Range of output voltage      40～58VDC（continuous and adjustable）

4.      Rated output current         5A~400A

5.      Rated output voltage         48V

6.      Battery capacity               20Ah~3000Ah 

7.      Ripple factor                                       0.05%

8.      Voltage regulating precision                0.5%

9.      Current regulating precision                0.5%

10.   Maximum audio noise                         50dB

11.   Case protecting grade                                   IP30

12.   Average failure-free working hours                     ≥100，000 h

13.   External size of DC cabinet                         2260/2360*800*600（㎜）