Wholesale 90 kVA Ground Power Units (GPU) Manufacturers & Factories

High-reliability 400Hz frequency converters and heavy-duty airport ground support equipment engineered for next-generation aviation operations.

Premium Ground Support Equipment Portfolio

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China 35Ton 20FT Pallet Dolly

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China Pallet Dolly

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Industrial-grade container transportation dollies with reinforced structural frameworks and precise tracking capability.

Custom Container Dolly

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Highly customizable platform built to handle standard LD3, LD6, and larger cargo configurations under tough conditions.

China Baggage Cart

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Ergonomic and robust baggage carts built with weatherproofing options for efficient luggage handling.

China Baggage Trolley

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Precision steering mechanisms to allow seamless multiple trolley linkages in small airport lanes.

China LD6 Container Dolly

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China 7T Pallet Dolly

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China 27Ton 20FT Pallet Dolly

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Global Commercial Ground Power Status & Intent

Understanding the vital role of 90 kVA Ground Power Units in modern aviation operations.

The aviation industry is accelerating toward carbon neutrality, transforming every tier of Ground Support Equipment (GSE). The 90 kVA Ground Power Unit (GPU) represents the operational sweet spot for commercial airport tarmacs. Generating stable 400Hz AC power, this capacity matches the requirements of single-aisle regional narrowbody commercial aircraft—such as the Airbus A320 and Boeing 737 platforms—and meets the electrical power demand during boarding, avionics calibration, and cabin maintenance cycles.

By shifting power demands from Auxiliary Power Units (APUs) to local ground power systems, airports achieve a massive reduction in fuel burn, terminal emissions, and noise pollution. As worldwide hubs adopt stringent environmental criteria, securing reliable, high-performance 90 kVA solid-state or diesel-integrated units has become a primary target for airlines and ground handlers globally.

Market Demand Drivers

  • Operational Efficiency: Shifting away from aircraft APU reliance saves expensive jet fuel and lowers maintenance budgets.
  • Green Airport Compliance: Satisfies regional green regulations targeting zero emissions at airport gates.
  • Grid Modernization: Integration with centralized ground control centers and local energy storage microgrids.
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90 kVA Technology Roadmap & Future Outlook

Charting the transition from traditional rotary converters to solid-state, zero-emission storage architectures.

Solid-State Double Conversion

Modern solid-state units use double-conversion topologies (AC to DC, then back to stabilized 400Hz AC). This isolates the aircraft grid from utility voltage spikes and guarantees ultra-low harmonic distortion (THD < 2%).

Energy Storage Integrated (Battery-Driven)

The latest phase integrates Lithium Iron Phosphate (LiFePO4) storage, allowing units to operate without direct grids or diesel combustion. Peak shaving technology charges units during down periods to lower grid impact.

Predictive Smart Diagnosis

Integrating telemetry modules and IoT links lets operations monitor parameters like current leakage, winding temperatures, and IGBT health in real-time, predicting potential failures before they impact flight schedules.

Technology Class Efficiency (Rated Load) THD (Total Harmonic Distortion) Noise Level (dB at 1 meter) Operational Flexibility
Solid-State Frequency Converter (Static) 94% - 96% < 2.0% < 65 dB Excellent static hangar installation & passenger bridge integrations.
Diesel Engine-Driven GPU (Mobile) Fuel dependent < 3.0% < 85 dB High autonomy; suited for distant aprons and rugged deployments.
Battery Ground Power Unit (Battery-Driven) 90% - 93% < 1.5% < 50 dB Zero local emissions, peak demand protection, dynamic ramp movement.

Localized Application Scenarios for 90 kVA GPUs

Deploying targeted power architectures across diverse climates, layouts, and operations.

Extreme Environment Tarmacs

From high-humidity tropical aprons in Southeast Asia to frozen runways in Northern Europe, our customized 90 kVA units utilize anti-condensation heaters and IP55 weather protection. Special C5-M marine-grade paint prevents salt-spray corrosion in coastal locations.

Fast turnaround Gate Operations

Housed under passenger boarding bridges, static 90 kVA static converters provide rapid plug-and-play aircraft power. Automatic cable-retrievers and simplified operator interfaces speed up terminal handovers, keeping flights on schedule.

Hangar Maintenance & Avionics Testing

Avionics calibration requires clean, stable power. With frequency tolerances tighter than ±0.1% and built-in galvanic isolation, these units supply smooth electrical current, protecting delicate systems from grid disturbances.

China Factory Supply Chain Resilience & Cost-Efficiency

How our vertically integrated production hubs maintain continuous delivery and unmatched engineering precision.

20+

Global Patents Held

150+

Qualified Technicians

100%

In-House Testing Standards

30%

Average Cost Savings

Operating out of major manufacturing zones in China, our facilities leverage direct access to high-grade steel, local copper suppliers, and specialized power electronics clusters. This concentrated supply chain lowers regional transport lag and shields us from international trade volatility. Dynamic load testing platforms allow us to simulate real-world aircraft electrical demands prior to shipment, ensuring every unit complies with MH/T 6018, DFS 400, and standard European CE certifications before it leaves the factory floor.

Broad Ground Support Equipment Categories

Explore our integrated GSE catalog covering passenger transport, fueling systems, cargo loaders, and climate control units.

CD5207GJJ Aircraft Tank Refueler

Aircraft Tank Refueling Trucks

Consists of high-performance chassis, durable fuel tanks, customized pumping loops, control circuits, and operating panels. Supports filtration, precise metering, self-circulation, and pressure control.

  • CD5207GJJ Refueling Truck
  • CD5580GJJ Refueling Truck
  • CD5341GJJ Refueling Truck
Catering Truck

Catering Support Trucks

Hydraulic scissor-lift structures customized for serving regional narrowbody and widebody passenger planes securely and quickly.

  • CD-SP80 Catering Truck
  • Electric Catering Truck
  • Standard Catering Truck
Aircraft Heating Unit

Cabin Climate Control & PCA Units

Pre-Conditioned Air (PCA) units and environmental systems ensuring comfortable temperatures inside aircraft cabins during turnarounds.

  • Aircraft Heating Unit - CDH-60
  • PCA Unit - CD190
  • Aircraft Cabin Heater - CD-H02
Self-propelled Passenger Stairs

Passenger Boarding Stairs

Self-propelled steps featuring anti-slip treads, safety sensors, and stable height adjustment for diverse cabin doors.

  • CD-PBS5062E Self-propelled (Electric)
  • CD-PBS5062D Self-propelled (Diesel)
  • CD-PS580 Self-propelled Passenger Stairs
90KVA GPU

Ground Power Units (GPU)

Top-tier frequency converters providing continuous 400Hz AC and 28.5V DC output directly to the aircraft grid.

  • Energy Storage Ground Power Unit
  • 90KVA Aircraft Ground Power Unit
  • Aircraft Ground Static Power Unit
Aircraft Towing Tractor

Aircraft & Baggage Towing Tractors

Reliable traction systems for aircraft pushbacks, hangar movements, and pulling cargo container dollies across aprons.

  • CDT700 / CDT450 / CDT300 Towing Tractors
  • 10Ton / 20Ton Electric Baggage Towing Tractors
  • 50-100Ton Diesel Baggage Towing Tractors
Aircraft Lavatory Truck

Aircraft Lavatory & Potable Water Trucks

Corrosion-proof stainless steel water tanks and high-pressure pumps built on heavy-duty, zero-emission electric and diesel chassis.

  • CD5060DWS Aircraft Lavatory Truck
  • CD5060DQS Electric Aircraft Lavatory Truck
  • CD5060DWSZ Electric Aircraft Service Truck
Cargo Loader

Cargo & Container Main Deck Loaders

Heavy-duty lift systems designed to safely transfer ULD cargo pallets to widebody main deck cargo compartments.

  • CDL14000 Cargo Loader
  • CDL35000 Cargo Loader
  • CDL7000 Cargo Loader
Air Start Unit

Air Start Units (ASU)

Delivers high-pressure, oil-free compressed air to initiate main aircraft engine starter systems easily.

  • Truck Mounted Air Start Unit
  • CDA300 Air Start Unit
  • CDA400 Air Start Unit

Professional Service Commitments

Built on technology, quality, precise delivery, and after-sales support.

Technology Advantage

Advanced Technology

Integrating innovative capabilities and advanced engineering structures into product design, testing, and production workflows.

Quality Advantage

Product Quality

Our systems stand out in competitive environments, earning approvals from global ground handlers and airlines.

Deliverability Advantage

Deliverability

Optimized logistics networks, component inventory controls, and disaster recovery processes guarantee on-time shipping.

After-Sales Advantage

After-Sales Service

Quick technical support resolved by our emergency engineers helps extend operational lifespans and builds user trust.

OEM & ODM Custom Manufacturing Solutions

We welcome custom OEM and ODM orders tailored to specific airport configurations and operating environments. From product planning and structure designs to production, rigorous thermal testing, and after-sales support, we offer integrated services. This structured approach helps customers secure market access, control maintenance costs, and increase ground operational efficiencies.

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Company Management

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Product Development

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Timely Delivery

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Professional Service

Industrial Partners & Ecosystem

Working alongside global airlines and airport hubs to design, manufacture, and deliver reliable ground equipment.

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Technical Q&A - Ground Power Units

Answering key structural and operating questions about 90 kVA solid-state frequency converters.

Q1: Why do commercial aircraft use 400Hz frequency converters instead of standard 50Hz/60Hz grids?
A1: High-frequency AC systems (400Hz) significantly reduce the weight of transformers, electric motors, and generators onboard. Because magnetic components can be built smaller at higher frequencies, aircraft save substantial weight, improving fuel efficiency. Ground Power Units convert standard utility grid power (50Hz/60Hz) to 400Hz to power avionics and cabin systems while parked.
Q2: How does a solid-state 90 kVA GPU protect sensitive avionics from voltage transients?
A2: Modern solid-state static converters use a double-conversion model (AC-DC-AC) with high-speed IGBTs and output isolation transformers. This completely decouples the aircraft's power system from utility fluctuations, providing voltage output stability (typically ±1%) and fast recovery times (<10ms) during sudden load changes.
Q3: What are the primary installation differences between trailer-mounted and bridge-mounted GPUs?
A3: Trailer-mounted GPUs are mobile, towable systems powered by diesel generators or battery packs, ideal for open aprons and maintenance hangars. Bridge-mounted GPUs are static, solid-state units suspended directly under passenger boarding bridges, drawing power from the airport grid. They offer a compact, zero-emission footprint at passenger gates.
Q4: How do ambient temperature extremes affect 90 kVA static converters?
A4: High temperatures cause thermal stress in power semiconductors (IGBTs) and output transformers, requiring forced-air or liquid cooling systems to maintain performance. In sub-zero environments, internal anti-condensation heaters prevent frost accumulation on circuit boards when starting up, maintaining stable insulation parameters.

Latest Industry News & Insights

Stay up to date with the latest developments in ground support equipment design, energy storage units, and passenger boarding stairs.

Passenger Boarding Stairs
Industry News

What are Passenger Boarding Stairs?

Analyzing the hydraulic mechanisms, safety guidelines, and ergonomic developments of modern aircraft passenger steps.

Published: 2026-05-27
Energy Storage GPU
Technical Article

Energy Storage Towable Ground Power Unit

Evaluating battery systems, runtime metrics, and peak grid shaving benefits for next-generation mobile GPUs.

Published: 2026-05-19
Aircraft Ground Power Unit
Technical Article

Aircraft Ground Power Unit (GPU)

Why switching from onboard APUs to efficient 90 kVA GPUs lowers carbon emissions and engine maintenance costs.

Published: 2026-05-18

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