Custom Power Supplies
Custom Industrial Power Supplies


2000 Watt, 400 Hz, 3 Phase Input, Single Output, Military Grade Power Supply


Product Description

This unit is a 2000 watt, 400Hz, 3 phase, single output, military grade power supply designed for aircraft and electronic systems operating in harsh environments (subject to abnormal shock and vibration) and extreme temperature conditions.  It is conduction cooled providing a -50° to +85° C operating temperature range. This product is based on pre-existing PCB sections that are integrated into a sealed enclosure to meet or exceed applicable military standards including MIL-STD-810F & MIL-STD-461F.

Product Features

  • Meets MIL-STD-461F
  • Meets MIL-STD-810F
  • Input: 115VAC, 400Hz, 3 Phase
  • 88% Efficiency
  • Operating Temperature Range: -50º to +85º C
AC Input
  • Voltage Input Range: 95-138VAC (115VAC nominal voltage)
  • Phase: 3 phase
  • Frequency: 50/60/400Hz  (47-440Hz)
  • Power factor correction: 0.95 min. @ Full Load

Output Selection Guide

Model #:

Voltage

Max Current

Regulation

Ripple

MGPS2000-3P-24

24Vdc

80.0 Amps

±1%

240mV pk-pk

MGPS2000-3P-28

28Vdc

71.4 Amps

±1%

240mV pk-pk

MGPS2000-3P-36

36Vdc

55.5 Amps

±1%

240mV pk-pk

MGPS2000-3P-48

48Vdc

41.6 Amps

±1%

240mV pk-pk

Note: Alternate output voltages are available, consult factory for availability.

DC Output Characteristics (Floating)

  • Output Power: 2000 Watts (maximum continuous power, may require derating for some low voltage outputs)
  • Line Regulation: ±2.0% Typical
  • Load Regulation: ±2.0% Typical (No load to full load; nominal input)
  • Output Ripple/Noise: 1% Typical (pk-pk; nominal input; full load; 20MHz bandwidth)
  • Set Point Accuracy: ± 1.0% of Output Voltage (Nominal input; full load; 25°C)
  • Transient Response: Output voltage returns to within 1% in less than 2.5mS for a 50% load change and the peak transient does not excess 5%.
  • Overshoot: Turn-on and turn-off overshoot should not exceed 5% over nominal voltage.

Electrical Characteristics

  • Switching Frequency: 400KHz Fixed
  • Efficiency: 88% Typical (Measuring at 115Vac and at full load)
  • Turn On Delay:1.5 second maximum at 120 VAC
  • Isolation Voltage: 1000V between input and output. 1000V between input and case. 500V between output and case.
  • Temperature Regulation: +/-2.0%/ºC (+/-.005%/ ºC max; over operating temp range)

Protection

  • Over Current Limit: ~115 to 120% of maximum rating. Hiccup, continuous.
  • Over-Voltage Setpoint: ~115% of nominal main. Unit latched 1 minute, recycle AC input to reset at 25°C.
  • Short Circuit: Auto-Recovery after short circuit condition is removed.
  • Over temperature Protection: Shutdown at baseplate temperature of +100°C (±5%) Automatic recovery at baseplate temperature lower than +95°C (±5%)  
Environmental
  • Operating Temperature: -50º to +85º C (baseplate)
  • Storage Temperature: -55º to 125º C
  • Operating Humidity: 5% to 90% RH, Non-condensing
  • Storage Humidity: 5% to 95% RH, Non-condensing
  • Operating Altitude: Sea-level to 40,000 ft. in pressurized environment
  • Sock & Vibration Standards: MIL-STD-810F
  • Conducted EMI: MIL-STD-461F
  • Cooling: Conduction cooled, coldplate required. Optional heatsink available.

Reliability

  • 250,000 hours, calculated per MIL-STD-217F at +55°C baseplate, ground fixed.

Mechanical

  • Enclosure: Aluminum Housing
  • Outline Dimensions: 3.5" X 7.0" X 11.0" (H X W X L) – not including I/O connector  
  • Weight: ~6.1 lbs. (2770 grams)
  • AC Input Connector: D38999 or EQ.
  • DC Output Connector: D38999 or EQ.   

Additional Features, Controls or Alarms

  • Inhibit: TTL

Notes

  • Some specifications have not been tested for actual compliance and can not be guaranteed to meet 100% compliance during system testing.
  • Product specifications subject to change without notice. All Rights Reserved.
  • The information and specifications contained in this document are believed to be correct and accurate at the time of publication. DSC Power Solutions, Inc. accepts no responsibility for consequences arising from printing errors or inaccuracies pertaining to any use or application of this document.



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