Frequency Converter

DC Ground Power Unit

BWDCA Series ( 28 VDC,50-2000A )

For Applications

  • Aircraft servicing in
    workshops/on the ramp
  • Airline’s crew training
  • Flying college’s students
    training
  • Pre flight checks
  • Aircraft diagnostic work
    & DC Motor Test
Frequency Converter

Main Features

  • Small volume, light weight,
    high efficiency up to 85%
  • Output voltage and current
    are respectively displayed
  • With input anti-surge protection
    protection ,avoid current
    overshoot at startup

Blue Whale BWDCA series DC GPU is designed to give continuous high quality DC power for powering of various aircraft systems and also starting aircraft engines.
The safety features include over voltage,overload and internal thermal ,short circuit,current limit protection.

Technical Specification

Capacity1.5kVA(50A),3kVA(100A),6kVA(200A),9kVA(300A)15kVA(500A),18kVA(600A),24kVA(800A),30kVA(1000A)(Select One individual kVA)
Input 
Single phase120Vac ±10%,220Vac ±10%(for the units≤6kva only)
Select One Individual Voltage
Three phase120/208Vac ±10%,220/380Vac ±10%, 277/480Vac ±5%
Select One Individual Voltage
Frequency50Hz/60Hz ±5%
Power factor≥ 0.8 (standard type) 
≥ 0.9 (optional type, 12 pulse)
Output 
Voltage28.5 Vdc(22-32V adjustable)
Current50A,100A,200A,300A,500A,600A,800A,1000A
(select one individual current)
InterfaceRS232/485 com port
Voltage Accuracy≤ ±1%  FS (Full Scale)
Voltage Ripple≤500mV or less than 1V
Overload125% 600 sec,150% 60S,200% 10S
ProtectionInput Over/under voltage
Over voltage,  Inner over heat,Current limit
Short circuit, Self diagnose and alarm
Enclosure IPIP22, IP32, IP54 Or as per requirement
Digital displayOutput Voltage,Current,setting current limit
Working condition 
TemperatureOperation: -10℃~50℃
Ambient: -10℃~40℃
Noise≤ 65dB at 1 meter
Humidity10~90% non-condensing
Reliability/Efficiency 
Mean Time Between Failure
50,000H
Mean Time To Restore
< 30 min
Overall efficiency
≥ 85%
StandardsISO 6858, MIL-STD-704F

PROJECT AND NEWS