High-Performance Aircraft Ground Power Units & Industrial Rectifiers
Direct from our ISO 9001 certified manufacturing facility: high-frequency solid-state GPUs, ruggedized mobile units, and multi-output hangar converters engineered for extreme Pyrenean mountain climates.
Portable 28.5V DC Ground Power Unit
- Output Voltage: 28.5V DC Continuous
- Peak Amperage: 100A – 500A (Overload 2000A)
- Enclosure: All-Weather Mobile Trolley
- Compliance: CE, ISO 9001, RoHS
Triple Output 28.5V 100–600A GPU
- Architecture: Independent 3-Channel Bus
- Current Range: 100A to 600A Discrete
- Interface: Digital Touchscreen & RS485
- Efficiency: ≥ 92% at Full Load
220VAC to 28.5VDC 200A Aircraft GPU
- Input Compatibility: 1-Phase 220VAC ±15%
- Output Power: 5.7 kW Constant DC
- Application: Light Helipads & Turboprops
- Protection: OVP, OCP, OTP, Short Circuit
930kVA 3-Phase 400Hz Ground Power Unit
- Output Voltage: 115V / 200V AC 400Hz
- Rated Capacity: Up to 930 kVA
- Modulation: Solid-State Space Vector PWM
- Standards: DFS 400, ISO 6858, CE
630kVA 400Hz Aviation Ground Power
- Input Grid: 380V/400V/415V 50Hz/60Hz
- Output Voltage: 115V–450V Adjustable
- Harmonic Distortion: THD < 2.5% Linear Load
- Duty Cycle: 100% 24/7 Continuous Operation
115V 400Hz Frequency Converter 15–300kVA
- Output Frequency: 400Hz ±0.01% Crystal Locked
- Capacity Options: 15kVA, 100kVA, 150kVA, 300kVA
- Avionics Support: Radar, Guidance, Nav Instruments
- Enclosure: IP54 Cold-Rolled Galvanized Steel
40–500kVA Solid-State Frequency Converter
- Dual Mode: 50Hz ↔ 60Hz and 400Hz Aviation
- Inverter Topology: IGBT Full-Bridge Inversion
- Noise Rating: < 65 dBA at 1 Meter
- Certification: CE, EMC Directive, LVD Approved
12V/15V 5000A-6000A 75kW Water-Cooled Rectifier
- Output Range: 0–15V DC / Up to 6,000A
- Cooling Mode: Deionized Water Closed Loop
- Control Precision: ≤ 0.5% Constant Voltage / Current
- Application: Precision Surface Finishing & MRO
13+
Years Power Engineering
3,000 m²
ISO 9001 Factory Facility
≤ 2.5%
Ultra-Low THD Clean Waveform
0 MOQ
Custom Engineered Prototypes
Technical Specification & Design Criteria for High-Altitude GSE in the Pyrenees
Aviation ground operations across Andorra and its perimeter regional corridors (notably the Pyrenees heliports and the trans-border Andorra–La Seu d'Urgell Airport, LEU) face unique operating parameters not encountered in standard maritime or low-altitude airports. Aircraft Ground Power Units (GPUs) must supply rigorously regulated 28.5V DC for helicopter turbines, business jets, and emergency medical aviation, as well as 115V/200V 400Hz static power for advanced avionics validation, while maintaining thermal stability in sub-zero and variable atmospheric pressures.
Standard off-the-shelf generator-based or legacy SCR GPUs frequently suffer from air de-rating and voltage droop at altitudes exceeding 1,000 to 2,000 meters above sea level. Fenvix integrates advanced solid-state IGBT (Insulated Gate Bipolar Transistor) switching topologies with dedicated digital signal processor (DSP) closed-loop control. This ensures transient response times under 5 milliseconds during heavy turbine-start current demands (up to 2,000A for DC starts), eliminating the voltage sag that damages sophisticated glass-cockpit avionics.
| Performance Metric | Fenvix Solid-State 28.5V DC GPU | Fenvix 400Hz Static Frequency Converter | Standard Commercial Equivalent |
|---|---|---|---|
| Voltage Regulation Accuracy | ±0.5% Steady State | ±1.0% Balanced / Unbalanced Load | ±3.0% to ±5.0% |
| Total Harmonic Distortion (THD) | Ripple < 0.5% RMS | < 2.5% Linear; < 3.0% Non-Linear | > 5.0% THD |
| Transient Recovery Time | ≤ 5 ms (100% Step Load Change) | ≤ 10 ms (100% Step Load Change) | 50 ms to 100 ms |
| High-Altitude Operational Margin | Derating-free up to 2,500m ASL | Optimized forced-air convection to 3,000m | Severe derating above 1,000m |
| Operating Temperature Envelope | -30°C to +55°C Continuous | -25°C to +50°C Continuous | -10°C to +40°C Only |
Furthermore, our units incorporate military-grade conformal coating on all internal control PCBAs, isolating delicate microelectronics from the rapid temperature condensation cycles typical of Andorran valleys and high mountain peaks. With built-in CE, LVD, and EMC conformity, Fenvix GPUs ensure zero electromagnetic interference with runway lighting, ground radar, and sensitive VHF communications equipment.
Andorran Aviation & GSE Application Scenarios
Engineered for high-altitude helipads, medical evacuation fleets, executive alpine charters, and regional aircraft MRO hangars.
Emergency Medical Helipads (HEMS)
Andorra relies heavily on emergency medical helicopter transport (SAMU/HEMS) operating from hospital landing zones like Hospital Nostra Senyora de Meritxell and mountain recovery posts. Fenvix compact 28.5V DC mobile units provide continuous pre-flight power, battery conditioning, and cold-soak start assistance in sub-zero alpine conditions.
Executive Hangar Maintenance & MRO
Serving VIP charters, high-net-worth individual private helicopters, and turboprops frequenting the Principality. Our 115V 400Hz frequency converters allow maintenance engineers to perform complete avionics diagnostics, de-icing system calibrations, and cabin system burn-in without running auxiliary power units (APUs).
Commercial Cross-Border Flight Hubs
Operating in coordination with the Andorra–La Seu d'Urgell aerodrome gateway, handling regional commercial carriers (ATR-72, regional jets). Fenvix stationary and trailer-mounted 400Hz static ground power units deliver zero-emission aprons, matching the strict environmental and noise-reduction directives of the Pyrenean valley biosphere.
Emerging Trends in Andorran Aviation Infrastructure
Strategic shift toward sustainable zero-emission ground operations, all-electric GSE conversion, and high-altitude emergency readiness.
Transition to Solid-State Electrification
Andorra's strict environmental commitments and clean mountain air mandates are driving aviation authorities to replace diesel-powered GPU trailers with solid-state electric ground power converters. Fenvix solid-state static converters offer an immediate drop in airport carbon emissions, running at zero local pollutants with whisper-quiet noise emissions under 65 dBA.
Growth of Heli-Tourism & Off-Piste Rescue
Winter sports, heli-skiing in Grandvalira/Vallnord, and rapid mountain logistics have stimulated investments in distributed private and municipal helipads throughout the Principality. Operators demand lightweight, portable 28.5V DC power supplies that can be rapidly relocated on rugged terrain and withstand severe blizzards and extreme thermal shocks.
Digital Monitoring & Smart Hangar Automation
Modern Andorran FBOs (Fixed Base Operators) require smart connectivity. Fenvix ground support units come equipped with standard RS485 and optional Ethernet/Modbus protocols. Hangar operators can remotely log power consumption, run automatic fault diagnostics, and integrate GPU health metrics straight into central aerodrome management software.
Why International GSE Buyers Partner with Fenvix
Combining vertically integrated Chinese power electronics manufacturing with strict Western aerospace engineering benchmarks.
TÜV Rheinland Verified
Our 3,000 m² Guangzhou facility has undergone exhaustive on-site audit and verification by TÜV Rheinland, confirming our genuine factory status, production capacity, and rigorous QA protocol.
ISO 9001 & Full CE Lineage
Every GPU model holds formal CE conformity, adhering strictly to EU Low Voltage (LVD) and Electromagnetic Compatibility (EMC) directives, ensuring immediate compliance for European import.
Zero MOQ & Full Customization
From single-unit prototypes configured for non-standard mountain grid voltages to full fleet orders for ground handlers, we provide comprehensive OEM/ODM solutions without restrictive minimums.
In-House Mechanical & Electrical
Plate shearing, laser punching, heavy copper busbar fabrication, transformer winding, and 100% full-load burn-in testing are executed under one roof for complete quality oversight.
Guangdong Fenvix Technology Co., Ltd.
Founded in 2013 in Guangzhou, China, Fenvix has grown to become a benchmark manufacturer of specialized high-power DC sources, high-frequency industrial rectifiers, and solid-state aviation ground power equipment. Backed by an engineering team with over a decade of dedication to power electronics, we manufacture solutions capable of resolving the most demanding electrical challenges.
Our export track record spans four continents, serving defense contractors, commercial aerospace operations, surface finishing industrial leaders, and precision scientific research labs. When sourcing for the Andorran aerospace market, our clients benefit from factory-direct engineering dialogue, multi-currency settlement options (EUR, USD, CHF, GBP), and reliable global air/ocean freight delivery terms including DDP, CIF, and FOB.
- 100% Full-Load Burn-In Tested
- Multi-Lingual Engineering Support
- Complete Schematic & Spares Manuals
- Seaworthy & Air-Cargo Heavy Packing
Frequently Asked Questions by Andorran & Regional GSE Buyers
Essential technical, regulatory, and logistics questions answered by our chief power engineers.