400 Hz Solid State Ground Power Unit

A ground power unit (GPU) is a crucial piece of machinery used in the aviation sector that supplies an airplane with electrical power when it is stationary. This transportable power supply is essential for many aircraft operations, including pre-flight inspections, maintenance tasks, and passenger boarding. When the engines are not operating, a GPU offers the required electrical power to keep aircraft systems functioning, assuring the performance of vital systems like avionics, lighting, and temperature control. This saves fuel and lessens engine wear by removing the need to depend only on the aircraft's own power-generating capabilities.

*Specifications subject to change without prior notice. We offer customization service, you can send us your detailed requirements. 

Ground power units come in various types, each tailored to meet the varying needs of different aircraft and ground operations. They are typically categorized based on their mobility, power output, and power sources.

Based on Mobility:

Mobile GPUs are portable units that can be easily transported around the airfield or hangar; they are ideal for situations where multiple aircraft need support across various locations quickly. These units often have smaller footprints but can still deliver substantial power when needed.

Fixed / Stationary GPUs are installed permanently at specific locations such as gates or maintenance hangars and provide consistent access to electrical support for grounded aircraft. They tend to have higher capacities than mobile options but lack portability; thus, they're typically used in high-traffic areas where numerous flights require immediate access to ground supporting equipment simultaneously. Both types have their merits depending on an operation's scale and demands.

Based on Output:

115/200V 400Hz AC Output, for commercial aircraft.

28V DC Output, for smaller aircraft and helicopters.

AC & DC Combination Output, versatile airport operations.

Based on Power Source:

Solid-State GPUs
Our static ground power units convert electrical power from the grid to the appropriate frequency and voltage required by aircraft. These units are known for their reliability, efficiency, and minimal maintenance requirements. Offering a range of power options from 30 to 180 kVA.

Battery-Powered GPUs
The future of ground power is increasingly electric. Our innovative battery-powered eGPUs offer zero-emission at operation, significantly reduced noise levels, and can operate for days between charges. These units are perfect for operators looking to reduce their environmental footprint while maintaining operational efficiency.

Diesel-Powered GPUs
While the industry is moving towards cleaner alternatives, diesel GPUs remain an option in some locations where electrical infrastructure is very limited. However, at Noyark, we're committed to helping our customers transition to more sustainable solutions.

Capacity and Voltage Requirements

GPUs are available in various sizes and capabilities to meet diverse aircraft types and their power needs. Kilowatts (kW) or Kilovolt-Amperes (kVA), which reflect the GPU's maximum power output, is often used to quantify a GPU's capability. For their electrical systems, airplanes have certain voltage needs. For smaller aircraft, these requirements might vary from 28 volts to 115 volts or more for larger commercial jets. In order to guarantee compatibility and secure power supply, GPUs are built to fulfill certain voltage specifications.

Safety Considerations and Precautions

Although GPUs provide many benefits, it is still vital to use these devices safely and in accordance with guidelines. The safe use of GPUs, including knowledge of the power needs, voltage specifications, and correct connection techniques for various aircraft types, must be taught to ground handling staff. To avoid electrical risks and equipment damage, it is crucial to adopt suitable insulation and protection mechanisms, ground the GPU, and take other electrical safety precautions. GPUs must undergo regular maintenance and inspections to maintain their secure and dependable functioning.

Regular Maintenance and Inspections

A structured maintenance schedule ensures that all equipment functions optimally, reducing the likelihood of unexpected failures. This proactive approach involves routine check-ups, servicing, and addressing minor issues before they escalate into major problems.

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