Airbus A320, Electrics
Transformer Rectifier Unit (TRU): Working Principle, Types, and Aircraft Applications
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A Transformer Rectifier Unit (TRU) converts three-phase AC power into regulated DC power. It combines a transformer and a rectifier in one compact component. Most aircraft use 115/200 V, 400 Hz AC. The TRU converts this input into stable 28 V DC for avionics, lighting and essential electronics. As a result, the TRU forms a […]
