Control Strategy of Advanced Power Generation Architecture for More-Electric Aircraft Applications

To meet the increasing electrical power demand on More Electrical Aircraft (MEA), an advanced power generation architecture (APGA) is proposed. Within the APGA, both two generators produce electrical power and feed loads to the main DC bus through the AC/DC converters. The main DC bus voltage is controlled under the MIL-STD-704F standard. A back-to-back (B2B) converter is connected between the two AC sources. According to different positions and functions, the converters and generators can be divided into high-pressure channel and low-pressure channel. Therefore, the power can be controlled either to only feed the main DC bus or at the same time realize power transfer between two channels. The control diagram of APGA is introduced in detail in this paper. The system is built and validated in MATLAB/Simulink.