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Why is the civil aviation power supply 400Hz?

 Aircraft ground power supply units are divided into two main categories: one is DC power supply and the other is AC power supply. According to the installation method and working principle of the power supply there are more subdivisions. General aviation aircraft use more 28V DC power supply, while civil aviation use more 115V/400Hz AC […]

Why Aircraft Need Ground Power

Ground Power Units (GPUs) are important pieces of equipment in the aviation industry designed to provide power to aircraft on the ground. These units are mobile or stationary power sources that are connected to the aircraft to provide electrical power for a variety of purposes, including cockpit operations, maintenance activities, and powering on-board systems. GPUs […]

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