Next Generation of Transformer Rectifier Units (TRU) with Full DC Voltage Regulation for Fixed and Rotary-wing Aircraft 2002-01-3185
This paper summarizes the performance requirements of existing and next generation regulated TRUs. The presented solution is compatible in weight, reliability and cost with a standard unregulated TRU. It also has the overload capability of an unregulated TRU. Additionally, it has well regulated (line and load) 28 Vdc output from 0 to 100 percent rated load. Performance and test data of a resulting 400 Amp Regulated TRU are addressed in the paper.