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STATIC GPU Combo

FORCESTART static GPU Combo units, available in both fixed and mobile configurations, are advanced all-in-one power solutions designed to support onboard electrical systems of civilian and military aircraft, as well as helicopters. Ideal for pre-flight inspections, repairs, installations, routine maintenance, training, testing, and engine starting, these units ensure reliable and efficient ground operations across all aviation environments.

Combining both 28 VDC and 400 Hz AC outputs in a single unit, FORCESTART GPU Combo systems deliver maximum flexibility for aircraft ground servicing. Both outputs are fully independent and can operate simultaneously or separately, depending on operational requirements.

Configurable as single-channel (28 VDC) or dual-channel (28/56 VDC) systems, these units provide unmatched versatility while reducing equipment footprint. Built for performance, durability, and ease of use, FORCESTART GPU Combo solutions ensure consistent, high-quality power—keeping your operation.


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Specification
Input voltage, V 380 +/-10%
Input frequency, Hz 50 - 60
Input current, A 92 - 172
AC Сhannel
Output frequency, Hz 400 +/- 0.001%
Output voltage,V 115/200
Output current, A 87 - 260
Overload 2 times
Output power, kW 30 - 90
Max. ripple at the output, % 1.5
Monitoring devices Digital display
DC Сhannel
Output voltage,V 28
Output current, A 1200
Peak current, A Up to 3500
Output power, kW 34
Monitoring devices voltmeter, ammeter
Max. ripple at the output, mV 150
Operating temperature -40 - +50
Dimensions, mm 1700*740*780
Weight, kg 650

Frequently Asked Questions

A combo Ground Power Unit (GPU) that supplies 400 Hz AC and 28 V DC provides electrical power to aircraft while they are on the ground. The 400 Hz AC power operates major aircraft systems and equipment, while 28 V DC power supports avionics, control circuits, and battery charging. Combining both power outputs in one unit allows the aircraft ground power unit to support different aircraft electrical requirements and improves efficiency during airport ground operations.

A combo Ground Power Unit (GPU) can handle both AC and DC power needs during aircraft maintenance. It supplies 400 Hz AC power for operating major aircraft systems and equipment, and 28 V DC power for avionics, control circuits, and battery charging. This allows technicians to power and test different aircraft electrical systems without running the engines or APU, making maintenance safer and more efficient.

The output configuration of a combo Ground Power Unit (GPU) is highly versatile, allowing it to support a wide range of aircraft types. It provides 400 Hz AC power for modern aircraft systems and 28 V DC power for avionics, control circuits, and battery charging, which are commonly required by different aircraft designs. Because many aircraft use either AC, DC, or a combination of both electrical systems, the GPU’s dual-output capability allows it to power helicopters, business jets, regional aircraft, and large commercial airplanes during ground operations and maintenance. This flexibility reduces the need for multiple power units and improves efficiency in airport ground support.

Combo Ground Power Units (GPUs) are designed to operate reliably in harsh airport environments. They typically function within a wide operating temperature range of −40 °C to +50 °C and are built with weather-resistant, corrosion-protected enclosures to withstand humidity, dust, and rain. These environmental specifications ensure the 400 Hz AC and 28 V DC aircraft GPU can provide stable power during ground operations and maintenance in various climate conditions.

Combo Ground Power Units (GPUs) include several monitoring features to ensure safe and reliable operation. These typically include voltage and frequency monitoring, overload protection, fault detection, and temperature monitoring to maintain stable 400 Hz AC and 28 V DC power output. Many units also have digital displays or control panels that allow operators to monitor system status and quickly identify any issues during aircraft ground operations or maintenance.

Choosing ForceStart GPU for your facility’s aviation power needs ensures reliable, efficient, and safe aircraft ground operations. ForceStart Ground Power Units deliver stable 400 Hz AC and 28 V DC power for aircraft systems, avionics checks, and maintenance activities. They are designed for civilian aircraft, military aircraft, and helicopters, offering dependable performance with accurate voltage and frequency control. Additionally, ForceStart GPUs are built for durability, operate in temperatures from −40 °C to +50 °C, and include digital monitoring displays for easy operation and system monitoring.
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