Supply 115vac and 28vdc simultaneously and to refrigerate the avionic and main cabin of the aircraft

Main Features

This equipment is a fully integrated air ventilation and cooling, 115Vac 400Hz and 28 Vdc power supply, diesel engine driven.

Test Stand mounted on a steerable trailer (steel structure), equipped with four pneumatic wheels and tow-bar.

Maximum speed: 30 Km/h Rear wheels equipped with drum brake hand operated.

Test stand is self propelled powered by an electric motor mounted on the rear axle. Easily manoeuvrable at lowspeed by a single operator through the controls head mounted on the tow bar.

Technical Characteristics

Power supply: 380-400v 50hz / threephase + GND, 63A, when generating set is not used
Rated power 29.200 kCal/h
Max total pressure 680 mmH2O
Delivery up to 2150 mc/h at 560 mmH2O, 10 °C (+/- 2°C) and 50 % U.R. about
HCFC: The equipment is HCFC total free
Working temperature: Environment from -10 °C to +45 °C
Compressor: 15HP – Fluid: R134
Evaporation Temp.: -2°C
Condensation Temp.: +50°C
AC output: 115/200 Vac 400 Hz 30 kVA continuous, overload, 50% for 30 sec., 100% for 1 sec.
DC output: 28 Vdc 400A continuous, overload 1200A for 30 sec.,1800A for 10 sec., 2400A for 2 sec.

Protection/Safety

The Self-propelled GPU is equipped with the following protection / safety devices:

Overvoltage / undervoltage (1st threshold) on AC output
Underfrequency (1st / 2nd threshold) on AC output
Overvoltage / undervoltage on DC output
Overcurrent on DC output

All the above mentioned function are implemented on digital cards, fully programmable.
The methods and application are in compliance with STANAG 3457, Ground Electrical Power Supply For Aircraft and MIL-STD-704F, Aircraft Electrical Power Characteristics.

Diesel Engine

Deutz BF4M-1013, 4 cylinder 85kW continuous at 1.500 Rpm, equipped with electronic speed control, operative with common diesel fuel or jet fuel JET A1 without any change.
Operative ambient temperature: –20°C + 50°C;
Certified DIN ISO 3046-1 / EU9768 STEP1, emission opacity lower than requirement stated in ECE R24.
Autonomy: up to 8 hours at engine rated power.

Main Generator

Direct coupled to the engine fly-wheel, SAE3-11”5, rated power 100 kVA at 1500 RPM, output voltage 400V 50Hz, 3P + GND

Accessories

Standard:
Power supply cable length 10m with plug 3P+GND 63A according to CEE17 (CEI23-12), output air flexible duct, diam 160mm, length 15 m; output power cable (length 15 m) with plug according to Stanag 3302, 115Vac 400 Hz output power cable (length 15m) with plug according to Stanag 3303
Textile cover for condenser fans, O&M manual, CoC, Test report.