A Ground Power Unit (GPU) is an essential tool for aircraft on the ground. It can be either fixed or mobile, and its main role is to connect to an aircraft’s electrical system. This connection provides power in the form of either 120V AC or 28V DC. Typically, ground power units are equipped with a generator powered by a diesel engine. However, they can also be found in other configurations, depending on specific needs. Ground power units ensure that aircraft have the necessary power while they are stationary, making them crucial for efficient airport operations.









