GPU400-330090 90kVA Aircraft GPU for MRO & Hangar
2.Output: 115V/200V, 400Hz, 3-phase, 90kVA
3.Input: 208-480V, 50/60Hz, 3-phase
4.Power Quality: Pure sine wave, THD <2%
5.Features: Auto voltage compensation, fault diagnosis, event memory
6.Protection: Overload, overcurrent, overheat and short circuit
7.Application: Aircraft maintenance, MRO, hangar, apron and PIT systems
8.Standards: ISO 6858, MIL-STD-704F, EN61000
9.Brand: ACSOON, OEM/ODM customization supported
- Product Description
90kVA 400Hz Aircraft Ground Power Unit
Reliable Ground Power for Aircraft Maintenance and Testing
The ACSOON 90kVA Ground Power Unit provides 115V/200V, 400Hz three-phase AC power for aircraft during ground maintenance, inspection and testing.
It converts standard 50Hz/60Hz mains power into stable 400Hz aircraft power and is suitable for MRO facilities, hangars, airport aprons, PIT systems and aircraft production or testing.
90kVA | 115V/200V | 400Hz | Three Phase | Pure Sine Wave
[Get a Technical Recommendation]
Key Product Advantages
90kVA Continuous Output
Provides three-phase 115V/200V 400Hz AC power for professional aircraft ground applications.
Pure Sine Wave
VTHD below 2% provides clean 400Hz AC output with stable voltage and frequency.
Automatic Voltage Compensation
Automatically compensates output voltage to help maintain the required voltage at the aircraft connector.
Easy Fault Diagnosis
Digital operating information, self-diagnostic fault indication and 10-event history memory help technicians check operating conditions and previous events.
Complete Protection
Built-in protection against overcurrent, overload, overheating and short circuit.
High Reliability
Overall efficiency ≥93%, IP54 protection and MTBF up to 50,000 hours according to the GPU400 technical specification.
These functions and performance data are specified in the GPU400 series documentation.
Stable 400Hz Power Where Aircraft Need It
Aircraft electrical systems may require external 400Hz power while the aircraft is parked for maintenance, servicing or testing.
The 90kVA GPU provides a dedicated ground power source without relying on ordinary utility power directly. Automatic voltage compensation helps maintain the required voltage at the aircraft connection point, particularly when longer output cables are used.
Suitable for
✈ Aircraft maintenance
✈ Avionics and electrical testing
✈ MRO facilities
✈ Airport hangars
✈ Apron ground operations
✈ PIT systems
✈ Aircraft production and testing
The GPU400 series is specified for aircraft daily testing and maintenance and for hangar, apron and PIT applications.
Technical Specifications
| Parameter | Specification |
|---|---|
| Rated Capacity | 90kVA |
| Output Voltage | 115V L-N / 200V L-L |
| Output Frequency | 400Hz |
| Output Phase | Three Phase, Four Wire |
| Input Voltage | 208 / 380 / 400 / 415 / 440 / 480V |
| Input Frequency | 50Hz / 60Hz |
| Input Voltage Tolerance | ±15% |
| Frequency Stability | ±0.01% FS |
| Voltage Regulation | ±0.5% Line / ±1% Load |
| Output Waveform | Pure Sine Wave |
| VTHD | <2% |
| Overall Efficiency | ≥93% |
| Overload | 125% 10min / 150% 60s / 200% 30s |
| Protection | Overcurrent / Overload / Overheat / Short Circuit |
| IP Class | IP54 |
| Operating Temperature | -20°C to +50°C |
| Humidity | 10–95% |
| Noise | <65dB at 1m |
| MTBF | 50,000 Hours |
| MTTR | <30 Minutes |
Custom-Built for Your Project
Different aircraft, airports and maintenance facilities can require different configurations. ACSOON supports project-based configuration according to the aircraft, site power and operating conditions.
| Custom Option | Available Configuration |
|---|---|
| Capacity | 30 / 45 / 60 / 90 / 120 / 180kVA |
| Input Voltage | According to project requirements |
| Output | 115V/200V, 400Hz |
| Cable Length | Custom length available |
| Connector | According to aircraft/application |
| Logo | ACSOON / OEM |
| Cabinet Color | Custom color available |
| Nameplate & Label | OEM customization |
| Control | Project-specific options |
| Documentation | Technical and test documents |
The GPU400 series documentation lists AC capacity options from 30kVA through 180kVA. ACSOON GPU400 Combi GPU Technic…
[ Customize Your 90kVA GPU ]
If you need it,Contact us at Email: acpower@acsoonpower.com
How to Select the Right Aircraft GPU
Not every aircraft ground power project should be selected by kVA alone.
Before requesting a quotation, confirm:
Aircraft or load type
Required AC capacity
Available input voltage and frequency
Required output
Cable length
Aircraft connector
Installation environment
Operating conditions
Factory Testing Before Shipment
Each ordered GPU is inspected and tested according to the confirmed configuration before shipment.
For overseas projects, test materials can be prepared according to the agreed order requirements.
✓ Power-on inspection
✓ Voltage & frequency check
✓ Functional test
✓ Protection function check
✓ Test photos / videos
✓ Packing photos before shipment
90kVA GPU Running Test
115V/200V 400Hz Output Test
Factory Inspection & Packing
Packing & International Delivery
The 90kVA GPU can be prepared with protective export packing for international transportation.
Before shipment, customers can confirm the equipment configuration, packing information and relevant shipping documents.
For an accurate quotation, please provide the destination country or port together with your technical requirements.
Standards & Documentation
The GPU400 series technical specification references:
MIL-STD-704F | ISO 6858 | GJB572A-2006 | GJB181A-2003 | EN61000
Technical specifications, test materials and available certification documents can be provided for project review.
Why Choose the ACSOON 90kVA Aircraft GPU?
Clean 400Hz Power
Pure sine-wave output with VTHD <2% helps provide stable AC power for professional aircraft ground applications.
Automatic Voltage Compensation
The GPU supports automatic voltage compensation to help maintain the required voltage at the aircraft connector, particularly where longer output cables introduce voltage drop.
Built for Continuous Professional Use
The 90kVA configuration is designed for aircraft ground power applications requiring a dedicated high-capacity 400Hz source.
Fault Diagnosis and Event Records
The digital system supports self-diagnostic fault indication and stores recent events, making daily operation and troubleshooting easier for maintenance personnel.
Multiple Electrical Protections
Protection functions include:
Overcurrent | Overload | Overtemperature | Short Circuit
Easy Maintenance
The cabinet layout is designed to provide access to internal components for inspection and maintenance.
About ACSOON
ACSOON is a professional manufacturer of industrial power conversion systems, including static frequency converters, aircraft ground power units, AC power supplies, and customized electrical testing systems.
With over 19 years of engineering experience, ACSOON equipment is widely used in aviation, industrial manufacturing, military support systems, and laboratory testing environments.
One-Year Warranty & After-Sales Support
The ACSOON 90kVA Ground Power Unit comes with a one-year warranty, subject to the agreed sales terms.
After-sales support includes:
Technical consultation
Installation guidance
Operation support
Remote troubleshooting
Technical documentation
Spare-parts coordination
For overseas customers, operating data, photos and videos can be used for remote technical communication when troubleshooting is required.
All Weather GPU Main Features
Thermostatic heater – 500W, kicks in at 5°C. Keeps electronics at 10‑20°C internally.
Oversized fans with filter – Moves more air than standard unit. Filter catches sand.
Stainless steel hardware – All external fasteners and latches are stainless. No rust.
Drain valve – In case condensation builds up, open the valve at the bottom.
Why Choose ACSOON All Weather GPU?
Works anywhere – From -30°C to +55°C ambient. No derating, no shutdowns.
Sand and salt proof – IP56 rated. Dust‑tight, protected against powerful water jets.
No extra shelter needed – Just set it on the ramp. It's its own weatherproof box.
Same reliable power – 60kVA, 400Hz, THD under 2%. Same as our standard GPU.
Typical Applications
Aircraft MRO
Provides external 400Hz AC power during aircraft inspection, maintenance and troubleshooting.
Hangar Operations
Suitable for aircraft requiring an independent ground power source during indoor maintenance and servicing.
Airport Apron
Provides ground power for compatible aircraft during servicing and technical operations.
Aircraft Production & Testing
Suitable for aircraft production, electrical inspection, aviation R&D and ground testing applications.
Quality Control
Cold chamber test – Every unit runs at -30°C for 2 hours. Heater must hold internal temp above 0°C.
Hot chamber test – 55°C for 4 hours at full load. No over‑temp alarms.
IP56 water test – High‑pressure spray from all directions for 10 minutes. No water inside.
Sand test – Blown sand against the intake for 30 minutes. Filter catches it.
R&D Results
Heater placement – First unit had heater near the top. Heat rose, bottom stayed cold. Moved to the bottom. Much better.
Filter design – Original filter clogged fast in heavy dust. Switched to a cyclonic pre‑filter. Lasts 10x longer.
Door seals – Used automotive‑grade bulb seals. Stays flexible down to -40°C. No cracking.
Customer feedback – An Arctic operator wanted a way to check internal temp without opening the door. Added a display on the outside.
Packaging and Transportation
Shipped from Xi'an – On a heavy skid, bolted down, covered with a breathable waterproof cover.
No crate needed for domestic – The unit itself is the crate. For export, add a wooden crate.
Documentation – Laminated cold weather quick start, full manual on USB.
Extra filter – One spare filter included.
After‑Sales Service
1‑year warranty – Covers electronics, heater, fans. Filters are consumable.
Spare parts (heater element, fans, control board) kept in Xi'an.
Email support – We answer within one business day. Include temperature readings.
Qualification Certification
CE – LVD and EMC.
MIL‑STD‑810 – Environmental test report available.
ISO 9001:2015 – Our Xi'an facility.
Before Requesting a Quote
To recommend the correct GPU configuration, please send:
Aircraft / Application: ______
Required Capacity: ______
Input Voltage / Frequency: ______
Cable Length: ______
Connector Requirement: ______
Installation Environment: ______
Destination Country: ______
Don't know all the parameters?
Send us the aircraft/load information or your existing technical specification. Our team can help review the requirement.
REQUEST YOUR 90kVA GPU QUOTATION
[ Request a Quote ] [ Send Your Specification ]
Frequently Asked QuestionsQ1: What is a 90kVA 400Hz ground power unit?
A 90kVA 400Hz ground power unit provides external AC electrical power for compatible aircraft and aviation ground applications. The ACSOON 90kVA model provides three-phase 115V/200V, 400Hz AC output.
Q2: Can it work with 50Hz and 60Hz mains power?
Yes. The GPU400 specification supports three-phase 50Hz/60Hz input, with several nominal input-voltage configurations available.
Q3: Can the input voltage be customized for my country?
Different input configurations are available. Send the actual voltage, frequency and phase available at your installation site before ordering.
Q4: Can ACSOON customize the cable and aircraft connector?
Project-specific cable length and connector requirements can be discussed during technical confirmation.
Q5: Can I order an OEM version with my own logo?
Yes. OEM branding, labeling and selected appearance options can be discussed before production.
Q6: What information should I send for a quotation?
Send your aircraft/application, required capacity, input voltage/frequency, cable length, connector requirement, installation environment and destination country.
Q7: What is the warranty?
The standard warranty for this product is one year, subject to the agreed sales terms.
Contact Us
For technical specifications or global solutions for the 90kVA 400Hz Aircraft GPU: acpower@acsoonpower.com, or submit your requirements using the form at the bottom of our website.
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