[email protected]
ISO 9001 Certified Manufacturer Exporting to 4 Continents
Direct EU & Adriatic GSE Export Program

Aircraft Ground Power Unit Manufacturers & Exporters serving Croatia

High-frequency 400Hz static frequency converters and 28.5V DC aviation ground power units engineered for Adriatic coastal conditions, commercial airport turnarounds, and civil aviation MRO hangars.

ISO 9001 Certified Factory TÜV Rheinland Inspected DFS 400 & ISO 6858 Aviation Compliance No MOQ / Single Hangar Customization
Aviation GSE Portfolio

Aviation Ground Power Units & 400Hz Frequency Converters

Explore high-stability solid-state ground power units configured for apron servicing, line maintenance, and MRO hangars across Zagreb, Split, Dubrovnik, and Zadar. Precision-calibrated for narrow-body airliners, regional turboprops, and military avionics.

13+
Years of Power Systems Engineering
3,000m²
Dedicated ISO 9001 Facility Area
930kVA
Max Custom Solid-State GPU Output
100%
Full Load & Oscilloscope Burn-In Tested
Local Market Applications

Specialized Deployment Environments Across Croatia

Croatia's strategic position in Southern Europe necessitates ground support equipment that can withstand Mediterranean maritime humidity along the Adriatic coast while meeting stringent European Union noise and emission reductions under the European Green Deal.

Coastal Apron Operations (Split & Dubrovnik)

Airports situated along the Dalmatian coast experience high ambient summer temperatures exceeding 38°C combined with corrosive salt-mist atmospheres and cyclic gusts from the Bora winds. Our GPUs feature marine-grade tropicalized PCB conformal coatings, stainless-steel fasteners, and oversized heat sinks capable of full-rated continuous output without thermal de-rating during intensive summer tourist peak schedules.

Year-Round Civil MRO Hubs (Zagreb Franjo Tuđman)

Zagreb serves as the primary continental hub for heavy maintenance, avionics overhauls, and regional fleet retrofits. Static frequency converters installed here require ultra-low acoustic profiles (<65 dBA) and precise digital voltage drop compensation across subterranean 115V apron distribution pits, ensuring seamless compliance with both Airbus and Boeing avionics calibration protocols.

Island & Regional Aerodromes (Brač, Zadar, Pula)

Regional airstrips and private business jet handling require compact, mobile, single-operator GPUs. Our rugged wheel-mounted 28.5V DC rectifiers with high short-duration cranking power (up to 2,000A) allow rapid turnarounds for turboprop commuters, search-and-rescue helicopters, and VIP private charters without demanding heavy electrical infrastructure modifications.

Strategic Transition

Technological Trends Reshaping Croatian Aviation GSE

As Croatia deepens its integration with EU emissions directives and pushes for net-zero carbon airport certifications, procurement teams are rapidly retiring diesel-driven equipment in favor of solid-state electrification.

Phasing Out Diesel GSE in Favor of Zero-Emission APU Shut-Off

Croatian airports are actively participating in the Airport Carbon Accreditation (ACA) system. Connecting aircraft to high-efficiency stationary electric 400Hz converters eliminates auxiliary power unit (APU) kerosene consumption on the apron, lowering ground-level NOx emissions by 98% and cutting local fuel expenditures substantially during gate turnarounds.

Solid-State IGBT vs. Legacy Rotary Converters

Older motor-generator sets found in older Balkan facilities suffer from mechanical friction losses, brush degradation, and sluggish transient responses. Modern solid-state IGBT units deliver instant 100% step-load capacity, near-unity power factor (cos φ > 0.96), and require virtually zero periodic mechanical maintenance, yielding significant total cost of ownership (TCO) savings.

SCADA Integration & Predictive GSE Telemetry

Modern terminal operations require automated GSE reporting. Fenvix integrates industrial Modbus RS485 and Ethernet interfaces, enabling real-time telemetry streaming into airport centralized maintenance databases to log ground-power kWh, voltage stability parameters, interlock safety triggers, and preventative maintenance alarms.

Engineering Whitepaper Matrix

Aviation Power Architecture Technical Parameters

Engineered to comply with ISO 6858, Mil-STD-704F, and EN 2282 specifications. Review our baseline production thresholds below:

Architecture Type Standard Input Rating Calibrated Output Range Harmonic Distortion / Ripple Typical Aircraft Applications
28.5V DC Engine-Start Rectifier 400VAC ±10%, 3-Phase, 50Hz 28.5V DC continuous (100A–800A), peak cranking to 2,400A Ripple < 0.5% RMS, Peak-to-Peak < 1% Dash 8-Q400, ATR-42/72, Mi-171, AW139, Private Jets
Solid-State 400Hz Static Converter 400VAC ±15%, 3-Phase, 50/60Hz 115V / 200V AC, 3-Phase 400Hz (15kVA to 930kVA) THD < 2% on Linear Load, < 3% Non-linear Airbus A320/A321 family, Boeing 737, Embraer E-Jets
Stationary Hangar Test Bench Unit 230V 1-Phase or 400V 3-Phase Selectable Dual Output: 28.5V DC & 115V/400Hz Voltage Regulation: ± 0.5% Static Avionics Calibration Labs, Component Bench Testing
Industrial Plating & Surface Rectifier 380V–440VAC 3-Phase 0–15V / 0–64V DC, Up to 15,000A Water-Cooled Ripple < 2%, Efficiency ~90% Aviation Turbine Component Hard Chrome / Anodizing
Guangdong Direct Manufacturing

Engineered In-House: Sheet Metal to Full-Load Commissioning

Guangdong Fenvix Technology Co., Ltd. (operating since 2013) designs and builds custom power supplies under an audited ISO 9001 quality management framework. Unlike export trading houses, our 3,000m² manufacturing facility fabricates structural chassis, CNC copper busbars, and transformers directly in our Guangdong plant.

Every aircraft ground power unit exported to the European Union undergoes exhaustive insulation breakdown verification, thermal imaging analysis under artificial loads, and dynamic response tests via digital storage oscilloscopes. TÜV Rheinland has inspected and verified our facility on site, validating our adherence to global industrial requirements.

CE Certified Ground Power Units
RoHS Environmental Compliance
LVD Electrical Safety Directive
EMC Electromagnetic Compatibility
TUV Rheinland Verified Factory
Fenvix ISO 9001 Certified Factory in Guangdong, China
ISO 9001 TÜV Rheinland Inspected
Procurement Due Diligence

Frequently Asked Questions by Croatian Aviation Buyers

Addressing compliance, marine climate protection, logistics into Rijeka/Ploče, and electrical safety standards.

Are Fenvix Aircraft GPUs fully compliant with EU standards and Croatian grid specifications?
Yes. Our aviation power supplies are engineered to interface directly with European 400V 50Hz, 3-phase power grids without requiring external voltage autotransformers. Units exported to the European Union are CE marked and comply with the Low Voltage Directive (LVD 2014/35/EU) and Electromagnetic Compatibility Directive (EMC 2014/30/EU). On the aircraft interface side, our equipment strictly adheres to DFS 400, ISO 6858, and Mil-STD-704F aviation power quality profiles.
How does Fenvix protect equipment against Adriatic marine salt corrosion?
For ground power equipment destined for coastal installations such as Dubrovnik (LDDU), Split (LDSP), or Zadar (LDZD), we employ specialized marine protection packages. This includes electrostatic outdoor epoxy powder-coated enclosures (zinc-primed sheet metal), stainless steel fasteners (AISI 316), triple-coated conformal varnish on all control electronics (protecting against salt condensation), and segregated airflow channels that isolate critical electrical components from incoming ambient salt air.
What are the standard shipping terms and transit options to Croatia?
We regularly ship under Incoterms including CIF (Port of Rijeka or Port of Ploče), CFR, FOB, EXW, and DDP (direct delivery cleared to your hangar door). For standard maritime container shipments, transit times from our Shenzhen/Guangzhou ports to Rijeka typically range between 28 to 35 days. For urgent AOG (Aircraft On Ground) maintenance components or critical converter modules, air freight delivery directly to Zagreb International Airport (ZAG) can be coordinated within 5–7 business days.
Can Fenvix configure a dual-output unit combining both 28.5V DC and 115V 400Hz?
Yes. Since all mechanical enclosures and power transformer stages are manufactured in-house, we routinely provide hybrid combi-GPUs. These units integrate a 400Hz solid-state AC converter (e.g., 60kVA to 180kVA) alongside an independent 28.5V DC rectifier module (400A continuous, 2,000A cranking) within a single unified towable trailer or stationary apron cabinet. Each output operates with completely independent galvanic isolation and control electronics.
What after-sales service and spare parts availability are provided for European clients?
Every GPU ships with a comprehensive engineering manual, detailed schematics, a verified component bill of materials (BOM), and a recommended two-year critical spare parts package (IGBT drivers, control boards, fuses, cooling fans). We provide direct remote video diagnostic support with our senior electrical engineers. Third-party verified on-site field engineers can also be deployed for large-scale fixed apron commissioning projects across the Adriatic region.
Is there a Minimum Order Quantity (MOQ) for customized configurations?
No. Fenvix maintains an absolute No MOQ policy (MOQ: 1 Set). We support single-unit custom engineering orders for private hangars, flying clubs, military aviation overhauls, or specialized lab prototypes, as well as full-scale apron batch deliveries for commercial international airports.

Upgrade Your Croatian Ground Support Power Infrastructure

Whether you require a compact 28.5V DC portable GPU for light aircraft or an apron-wide 400Hz static frequency converter installation, our engineering department provides customized load-matched proposals within 24 hours.

Get a Quote