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Preen ADC Series – DC Power Supplies

  • O/P Power: 2-64kW
  • O/P Voltage: 0-600V, max output voltage is 30V-600V
  • High power density: 2kW and 4kW models are 2U, and 8kW model is only 4U
  • Three 19-inch cabinet available (18U、32U、42U)

Preen ADG Series – DC Power Supplies

  • Wide output voltage range: with maximum voltage up to 2000V, ideal for renewable energy, smart grid, and Electric Vehicle (EV) related applications
  • High Efficiency and Power Factor: up to 90% efficiency and power factor
  • High Output Power: up to 100 kW in one chassis with high power density
  • Fast Transient Response Time: <4~12ms

Preen ADS Series – DC Power Supplies

  • Output voltage of 28V ± 10% or 270V ± 10% for aerospace or military usage
  • Output current ranges from 50A to 1500A with maximum overload to 4500A
  • Capable of sustaining abusive loads with inrush current and reverse current, such as from aircraft engines or generators

Preen AFC Series – AC Power Source / Frequency Converter

  • Single phase power output from 0.5-150kVA and three-phase power output from 5-2000kVA
  • CE & RoHS certification, with excellent performance in safety and electromagnetic compatibility
  • High input power factory and high efficiency up to 92%
  • Coupled with 4 LED displays to show measurements of voltage, current, frequency and power at once

Preen AFV/APF Series – AC Power Sources

  • Single phase output power from 0.5-20kVA and three phase output power from 10-2000kVA.
  • CE mark with high electromagnetic compatibility performance.
  • Programming Sequence Function: STEP and GRADUAL modes allow users to easily set sequences of start/ end voltage, frequency and run time for testing purposes.

Preen APS Series – Solid State Automatic Voltage Regulator

  • Wide input voltage range : rated voltage ± 18% ~ ± 25%
  • Fast response : ≤4ms / step
  • High input power factor: ≥0.95
  • High efficiency: up to 98% at full load

Preen PEL Series – Regenerative AC Electronic Load

  • Constant current (CC), constant resistance (CR) and constant power (CP) modes to simulate power factor from 0.3 to 1.0 (lead / lag)
  • Recycles power back to grid with efficiency greater than 90%
  • High power factor in grid connected side: up to 0.99

Preen PFV Series – AC Power Sources

  • Regenerative function can sink the energy from load and return to the grid
  • Three-phase independent control to set voltage of each phase
  • Phase angle control to set angle between each phase