Energy-Storage Type Aircraft Ground Power Supply 28VDC Dual Power Output Energy Storage Battery

The AGSP-090H-M represents an innovative energy-storage type aircraft ground power supply designed to revolutionize traditional airport ground power solutions. This cutting-edge system combines advanced energy storage technology with power conversion capabilities to provide clean, efficient, and reliable power for aircraft while parked at gates or maintenance areas, effectively replacing conventional Auxiliary Power Units (APUs) and diesel-powered ground power units (GPUs).

As a comprehensive power solution, the AGSP-090H-M integrates several critical subsystems into a single, optimized package:

• High-capacity battery storage: Utilizing lithium iron phosphate (LFP) chemistry for safety and longevity

• Advanced power conversion system (PCS): Enabling precise conversion between stored DC power and aircraft AC requirements

• Intelligent energy management: Sophisticated control algorithms for optimal power delivery

• Thermal management system: Ensuring stable operation across various environmental conditions

• Aircraft interface module: Compliant with standard aircraft power receptacles and protocols

The system is available in both towing and fixed configurations, designated by the "-M" (mobile) and "-H" (fixed) variants respectively, allowing airports to choose the deployment method that best suits their operational needs

Core Technologies and Innovations

Advanced Energy Storage System

The AGSP-090H-M utilizes lithium iron phosphate (LFP) battery technology, which offers several critical advantages for aviation applications:

• Enhanced safety: LFP chemistry is inherently more stable than other lithium-ion variants, with higher thermal runaway thresholds and minimal risk of catastrophic failure

• Long cycle life: Engineered for 6,000+ cycles at 80% depth of discharge (DOD), significantly reducing replacement frequency and total cost of ownership

• High energy density: Compact footprint compared to traditional lead-acid or nickel-cadmium alternatives

• Wide temperature operation: Capable of functioning in ambient temperatures from -30°C to +55°C, suitable for most global airport environments

Intelligent Power Conversion

The system's power conversion subsystem features several technological innovations:

• Bi-directional capability: Allows for both aircraft power supply and potential energy recovery during regenerative braking of towed units

• Precision voltage/frequency control: Maintains strict parameters (115/200V AC, 400Hz) required by modern aircraft systems with <1% THD

• Dynamic load following: Instantaneous response to aircraft power demand changes without voltage fluctuations

• Grid-forming capability: Can establish stable power parameters independently, crucial for sensitive avionics testing

Thermal Management System

The AGSP-090H-M incorporates an advanced hybrid cooling system:

• Liquid cooling for battery packs: Maintains optimal cell temperatures (±2°C variation) for longevity and performance

• Air cooling for power electronics: Efficient heat dissipation with minimized acoustic signature

• Adaptive control: Dynamically adjusts cooling intensity based on load and ambient conditions

Aircraft Interface and Safety Systems

The unit features comprehensive interface and protection mechanisms:

• Standard aircraft connectors: Compliant with common aviation power receptacles (e.g., 28V DC, 115/200V AC)

• Multi-level protection: Including overvoltage, undervoltage, overcurrent, reverse polarity, and ground fault detection

• Arc flash mitigation: Specialized protection against high-energy electrical arcs

• Fire suppression: Integrated detection and suppression system for battery compartments

Application Scenarios and Operational Benefits

Airport Gate Operations

The AGSP-090H-M provides significant advantages for gate power supply:

• APU replacement: Eliminates aircraft APU usage during ground operations, reducing fuel consumption and emissions

• Peak shaving: Reduces airport electrical demand charges by drawing power during off-peak periods

• Noise reduction: Substantially quieter than traditional GPU alternatives (65dB vs. 85+dB)

• Flexible deployment: Mobile units can be positioned where needed; fixed installations reduce ground handling

Maintenance and Testing

For aircraft maintenance applications, the system offers:

• Stable power quality: Essential for sensitive avionics testing and system checks

• Programmable power profiles: Simulates various electrical conditions for comprehensive testing

• Energy recovery: Captures regenerated energy during certain test procedures

• Data logging: Records power parameters for maintenance documentation

"Green Airport" Initiatives

The system supports sustainability programs through:

• Carbon emission reduction: Eliminates APU and diesel GPU emissions

• Energy efficiency: High conversion efficiency minimizes energy waste

• Renewable integration: Can be charged from airport solar/wind installations

• LEED certification contribution: Supports points for sustainable infrastructure

Emergency Preparedness

As part of airport emergency systems, the AGSP-090H-M provides:

• Backup power: For critical aircraft systems during grid outages

• Rapid deployment: Mobile units can be quickly positioned for emergency scenarios

• Black start capability: Can initiate power without external grid connection