GPU
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Detailed Product Description
The base of the power supply unit of the tractor-trailer aircraft power supply vehicle is mounted on the
trailer chassis, and its hood is made of sheet metal parts stamped and shaped, with good ventilation, rainproof
and noise reduction capabilities, flat appearance, and a large hood hatch to facilitate maintenance of the unit
by maintenance personnel. The vehicle consists of: engine, generator, voltage regulation system, frequency
protection system, voltage protection system, load protection system, output control system, operating system,
output system and trailer chassis. The power supply truck adopts intelligent integrated ECU control system, and
the unit adopts noise reduction measures, and the noise is no higher than 85 dB at 1 metre from the unit.
The power supply vehicle meets the power supply requirements of 400Hz AC and DC aircraft types for on
board electrics. The power supply trolley has a perfect protection and dynamic adjustment system, which can
meet the frequency and voltage stability requirements of the aircraft using medium frequency power supply.
The power supply trolley can work in all-weather, has good rainproof, waterproof, moisture anti-corrosion
function, and has cable plug rainproof device.
Main performance and dimensions
1. rated performance：
a. Output Power /：≥90kVA；
b. rated power：≥72kW；
c. power factor：0.8；
d. Rated Current : 260A；
e. Output Voltage：115/200V；
f. Frequency (Hz)：400Hz；
2. System protection Settings：
a) over frequency protection: 420 Hz ，5 seconds
b) Under frequency protection: 380 Hz ，7 seconds
c) UF protection: 130V， 2 seconds
d) Under-voltage protection 100 V，7 secondse) overload protection: 125% overload protection， 5 minutes
3．Power supply unit dimensions：
a. length：3390mm（tow bar stowed status）；
b. width：1900mm；
c. height：1825mm（alarm light is not included）
d. Unit gross weight：≤2600kg。