China Airport Ground Power Units Manufacturer & Supplier

Providing High-Efficiency 400Hz Solid-State Frequency Converters, 28.5V DC Ground Power Units, and Battery-Powered Energy Storage GPUs for Global Civil Aviation Systems.

The Critical Role of Airport Ground Power Units (GPUs) in Modern Aviation

In the complex and highly regulated ecosystem of global aviation operations, flight preparation demands ultimate precision, safety, and efficiency. An Airport Ground Power Unit (GPU) is an indispensable component of ground support equipment (GSE). It supplies stable, high-fidelity electrical power to aircraft parked on the ramp or inside maintenance hangars. This external power allows pilots and technical crews to execute crucial pre-flight system checks, power avionics, navigate cockpit displays, run air conditioning, and support passenger boarding processes without operating the aircraft’s fuel-intensive auxiliary power units (APUs) or main engines.

According to IATA’s Airport Handling Manual (AHM) guidelines, substituting aircraft APU runs with highly efficient solid-state ground power units cuts local CO2 emissions by up to 85% and significantly reduces airport noise pollution, moving aviation closer to net-zero ground operations.

As a leading China Airport Ground Power Units manufacturer and supplier, we specialize in addressing the dual demands of ecological accountability and operational robustness. Modern airports must accommodate a wide array of aircraft—from narrow-body regional jets demanding 28.5V DC starting currents to wide-body long-haul giants like the Boeing 787 and Airbus A350 that require clean, continuous 400Hz AC power. Our GPU engineering team focuses on maximizing power conversion efficiency, lowering Total Cost of Ownership (TCO), and guaranteeing absolute electrical safety at the gate.

Engineering Excellence by the Numbers

Designed to perform under extreme ambient conditions, our GPUs deliver reliable performance globally.

96.5%
Conversion Efficiency
<2%
Harmonic Distortion (THD)
-40°C~60°C
Operating Temperature Range
IP55/65
Outdoor Enclosure Rating

Technical Architecture and Product Roadmap

Different aircraft designs and operational setups require dedicated power architectures. Our GPU portfolio is divided into three primary technological pillars to meet diverse airport needs:

Solid-State 400Hz Frequency Converters

Utilizing high-power IGBT double-conversion technology, our solid-state GPUs convert standard 50Hz/60Hz utility power to high-quality 400Hz aircraft power. Without moving mechanical parts, these static units run virtually silent, require minimal maintenance, and offer conversion efficiencies exceeding 95%. Standard capacities range from 90kVA (ideal for narrow-body aircraft like B737/A320) to 180kVA (for wide-body aircraft).

28.5V DC Ground Power Units

Tailored for turboprops, business jets, and military aircraft, our 28.5V DC ground power units deliver up to 800A continuous current and up to 2000A peak engine starting currents. Featuring active current limiting and voltage compensation line drops, they guarantee smooth engine starts without risking electrical damage to sensitive airborne systems.

Battery-Based Energy Storage GPUs

Our energy storage towable ground power units align with the net-zero carbon airport trend. Equipped with high-safety Lithium Iron Phosphate (LiFePO4) battery packs, they offer zero-emission power delivery. They can be recharged at charging stations or via standard grid power, helping airports phase out diesel combustion engines across their ramp equipment operations.

Aviation Ground Support Equipment Categories & Technical Models

Comprehensive portfolio from refueling trucks and passenger boarding systems to cargo loaders and tractors.

CD5207GJJ Aircraft Tank Refueling Truck

CD5207GJJ Aircraft Tank Refueling Truck

Features robust filtration, metering, self-circulation, and pressure control systems for reliable runway fueling operations.

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CD5580GJJ Aircraft Tank Refueling Truck

CD5580GJJ Aircraft Tank Refueling Truck

Equipped with a high-capacity pump system and state-of-the-art pressure regulatory safety systems.

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CD5341GJJ Aircraft Tank Refueling Truck

CD5341GJJ Aircraft Tank Refueling Truck

Optimized chassis distribution designed for quick deployment in modern commercial hub airports.

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Slave Pallet Dolly

Slave Pallet Dolly

Heavy-duty steel rollers with omni-directional rotation pathways, suitable for cargo center warehouses.

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Pallet Dolly

Standard Pallet Dolly

Featuring dual-axle towing assemblies and robust safety braking mechanisms for heavy luggage configurations.

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7T castle pallet dolly

7T Castle Pallet Dolly

Specially reinforced chassis structural profiles designed to withstand up to 7 tons of cargo.

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New LD3 Container Dolly

New LD3 Container Dolly

Specifically matched dimensions for high-efficiency LD3 air cargo container loading and transport operations.

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Container Dolly

Heavy-Duty Container Dolly

Equipped with locking handles, non-slip surfaces, and highly durable steering linkages.

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LD6 container dolly

LD6 Container Dolly

Designed for mid-to-large sized ULD transportation with quick-lock securement pins.

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Rainproof Luggage Cart

Rainproof Luggage Cart

Features a sliding waterproof enclosure to shield checked luggage from rain, snow, and UV damage.

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Enclosed Baggage Cart

Enclosed Baggage Cart

All-metal side panel walls for security and load containment on high-traffic airport taxiways.

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Baggage trolley

High-Mobility Baggage Trolley

Features an optimized turning radius and a spring-loaded towbar brake system.

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CD-SP80 Catering Truck

CD-SP80 Catering Truck

Heavy scissor-lift assembly providing stable, high-altitude cabin access for catering replenishment.

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Electric Catering Truck

Electric Catering Truck

Zero-emission chassis system coupled with precision proportional valves for smooth lift transitions.

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Catering Truck

Aviation Catering Truck

Insulated, temperature-controlled cargo body with modern walk-in rear doors.

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Aircraft Heating Unit - CDH-60

Aircraft Heating Unit - CDH-60

Supplies hot, dry air to the cabin, keeping cockpit electronics warm in sub-zero environments.

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PCA Unit - CD190

PCA Unit - CD190

Pre-Conditioned Air system providing direct cabin cooling and ventilation during hot summer days.

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Aircraft Cabin Heater - CD-H02

Aircraft Cabin Heater - CD-H02

Highly compact towable diesel heater with high-capacity blower blowers.

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CD-PBS5062E Boarding Stairs

CD-PBS5062E Self-propelled Passenger Stairs

Fully electric, telescoping height-adjustable stairway structure with non-slip LED tread tracks.

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CD-PBS5062D Boarding Stairs

CD-PBS5062D Self-propelled Passenger Stairs

High-reliability diesel engine version with wide steps for boarding commuter and regional airlines.

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CD-PS580 Passenger Stairs

CD-PS580 Self-propelled Passenger Stairs

Advanced cabin alignment system and hydraulic stabilization legs for commercial operations.

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Energy Storage Ground Power Unit

Energy Storage Ground Power Unit

Equipped with green lithium battery banks for zero emission, quiet ground power operations.

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90KVA Aircraft Ground Power Unit

90KVA Aircraft Ground Power Unit

Provides dual 400Hz frequency converter outputs. Compact design, perfect for standard airfield gates.

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Aircraft Ground Static Power Unit

Aircraft Ground Static Power Unit

Static solid-state design. High efficiency, excellent transient response, low maintenance overhead.

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China Industry 4.0: Manufacturing Excellence and Supply Chain Resilience

Our manufacturing complex uses advanced engineering and manufacturing processes to ensure every Airport Ground Power Unit complies with international civil aviation standards. Our Industry 4.0 facilities implement rigorous control standards at every stage of production:

Advanced Engineering and Design

Our design and development process incorporates computer-aided modeling, structural FEA analysis, and thermal simulation. This allows us to optimize heat dissipation pathways inside the GPU enclosures, preventing thermal degradation and extending the lifespan of critical capacitors and IGBT modules.

Component Traceability & Sourcing

We use premium materials and components, sourcing raw steel and high-grade copper wire from verified metallurgical partners. Critical semiconductors, contactors, and protection relays undergo automated optical inspection (AOI) before assembly.

Environmental Testing Chamber

Every GPU model undergoes environmental tests inside our custom simulation chamber. We subject units to simulated tropical humidity, extreme freezing climates, sandstorms, and prolonged vibration to guarantee field reliability.

Thanks to our integration in China’s industrial manufacturing supply chain, we offer optimized turnaround times from engineering design to port delivery. We maintain strategic relationships with international logistics partners to streamline shipping, customs clearances, and onsite terminal handling worldwide.

Macro-Industry Solutions: Modernizing Smart Gates

Modern airports are evolving from single-system components to smart, centralized gate systems. Our engineers work closely with airport planners to design integrated airfield systems:

Decentralized Bridge-Mounted Configurations

By mounting our 400Hz frequency converters directly underneath the passenger boarding bridges (PBB), we eliminate the need for diesel towable units. This saves valuable space on the ramp, protects cables from vehicle traffic, and integrates ground power directly into the bridge control network.

Integrated PCA and GPU Gate Management

Our centralized software platform interfaces with gate management systems via Modbus/TCP or CANbus protocols. Real-time diagnostic data—including power metrics, voltage drop compensation, active errors, and maintenance schedules—is sent directly to the central airport operations database.

Localization Support & Global Safety Compliance

Operating airfield ground equipment requires strict compliance with local international safety protocols. Our engineering process strictly complies with standard industry guidelines, including:

  • IATA AHM 905, 910, 913 & 972: Standardizing safety control circuits, interlocks, towbar designs, and electrical plug configurations.
  • ISO 6858: Specifying electrical power characteristics and testing guidelines for aircraft ground support systems.
  • CE & UL 1012 Certification: Ensuring all safety parameters conform to European Union and North American low-voltage directives.

To support ground handlers globally, we maintain a responsive after-sales service network. We supply localized spare parts kits, provide remote visual assistance, and offer comprehensive maintenance training programs to guarantee maximum uptime for your GSE fleet.

Aviation Ground Power Units: Frequently Asked Questions

Comprehensive engineering insights for airport procurement and technical operators.

What is the differences between solid-state and diesel rotary ground power units?
Solid-state (static) units convert power via electronic semiconductors (IGBTs) without moving parts. They offer high efficiency, run virtually silent, emit zero carbon at the gate, and require minimal maintenance. Diesel rotary GPUs use an internal combustion engine coupled to a generator to produce power. They are ideal for remote stands lacking grid connection, but incur higher fuel, maintenance, and noise costs.
How does the 28.5V DC unit starting current limit safeguard aircraft avionics?
Turbines and engines pull high starter current during startup, which can cause voltage drops or surges. Our 28.5V DC units feature an active current-limiting control loop that caps initial current draw to preset limits (e.g., 1800A or 2000A), keeping voltage stable and preventing damage to delicate avionics.
What causes voltage drop over long aircraft cables, and how do you compensate?
Long power cables run from the GPU or boarding bridge to the aircraft connector receptacle. Resistance in these cables causes a voltage drop at the aircraft terminal plug. Our units feature active line drop compensation (EF/interlock lines) that automatically boosts output voltage at the source relative to current load, ensuring a constant 115V AC at the aircraft receptacle.
Can your 400Hz frequency converters operate in coastal areas with high humidity?
Yes. For coastal or offshore locations, we supply GPUs with marine-grade paint finishes and conformal coatings on all PCBs. We also offer double-walled, IP55-rated enclosures to protect electronic components from salt spray and high humidity.

Industry Insights & Ground Support Updates

Keep up with the latest advancements in modern airport infrastructure design and electric GSE developments.

Passenger Boarding Stairs

What are Passenger Boarding Stairs?

Exploring structural safety parameters, wind velocity stability compliance, and hydraulic alignment controls for modern boarding steps.

Published: 2026-05-27
Energy Storage Towable GPU

Energy Storage Towable Ground Power Unit

A detailed analysis of lithium pack safety, cycle life, thermal management, and power delivery dynamics on green airfield ramps.

Published: 2026-05-19
Aircraft Ground Power Unit

Aircraft Ground Power Unit

Analyzing the transition from traditional diesel auxiliary systems to highly efficient bridge-mounted and towable static converters.

Published: 2026-05-18

Partnering for Safe Ground Operations

Providing custom solutions to meet demanding schedules and complex airfield requirements.

Engineering Consultation

We partner with airport planning teams to specify correct electrical system capacities, verify grid drop thresholds, and configure layouts.

Custom Fabrication

We configure custom trailer bases, structural enclosures, cable organizers, and control panels to align with your fleet protocols.

Global Commissioning

On-site or remote assistance ensures smooth grid connection integration, PLC configuration testing, and training.

After-Sales Logistics

Fast component shipping guarantees quick replacement of worn cables, aircraft plug modules, and critical control relays.