OM-2245 / Operation and Maintenance Manual
ITW GSE 4400 / 400 Hz. Generator Set
March 15, 2015
Appendix A
Page 10
A.11 Specifications
Output:
Voltage
: 28 VDC
Current
: 400 A / 600 A continuously
Voltage regulation
: < 0.5%
Voltage ripple
: < 2%
Voltage transient recovery
: Complies with ISO 6858 / MIL-704E
Overload capability
:
400 A
600 A
800 A
1200 A for 30 seconds
1200 A
1800 A for 10 seconds
1400 A
2100 A for 5 seconds
1600 A
2400 A for 2 seconds
To protect the aircraft, the output voltage is decreased by 1 V per 300 A in the
overload range (400-2400 A).
Setup:
Output voltage
: 19-33 V
Voltage compensation
: 0-3 V per 600 A
Current limit
: 200-1600 A in steps of 200 A (400 A version)
400-2400 A in steps of 200 A (600 A version)
Protections:
Rectifier temperature to high
Short circuit at output
Over-and under voltage at output in case:
U < 20 VDC for more than 4 seconds
U > 32 VDC for more than 4 seconds
U > 40 VDC for more than 150 ms
Physical:
Additional weight to 400 Hz unit: 100 kg (220 pound)
For dimension please refer to Figure 5.0.2 (e.g. units equipped with base module).
Ambient:
Operating ambient for the 400 Hz and 28 VDC combination unit is -40°C to 45°C (-40 F to 113 F)
