DC power supply 48V 3kW

Single-phase AC-DC converter with power factor correction function.
Used in DC power systems of telecommunication equipment.
  • Rated output power 3 kW
  • Rated stabilized output voltage of 54.5 V
  • Adjustable output voltage range 40.5 - 57 V
  • Maximum current load 62.5 A at 48 V output voltage
  • Rated input voltage 230 V (50 Hz)
  • Input voltage range 85-275V
  • Output power limitation within input voltage range 85-175V
  • Power factor, not less than 0.99
  • Efficiency factor value 0.94 without cooling system
  • Operating ambient temperature range from 5 to 40 °C
  • Cooling method - active (air)
  • Dimensions for 19" cabinets with 1U height
Additional features and functions:
  • Possibility of control via CAN interface
  • Ability to connect units in parallel on a single load
  • Battery operation
  • Flexible adjustment of power supply output characteristic
  • Protection against internal and external short circuits with diagnostic mode
  • Operation mode indication by LEDs
Work performed:
  • Development of product circuitry
  • Simulation modeling of electronic devices operation modes and loss calculation in the device
  • Trace and design of electronic part of the product
  • Design of the product enclosure
  • Software development for the control system of the power factor corrector and resonant converter as a part of the product
  • Carrying out of tests for compliance of main parameters
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