Power Flow Analysis of Advanced Power Generation Centre for More Electric Aircraft

The more-electric aircraft (MEA) has been seen as the most major trend in the aerospace industry. With the increase in electrified loads, there is the need to generate more electrical power on-board aircraft. Considering regional jet sized aircraft, one novel approach is to extract electric power from high-pressure shaft as well as the low-pressure shaft within a multi-spool aircraft engine. This allows for more electrical power extraction within the engine shaft mechanical limits. Furthermore, it opens opportunities to enable power transfer between two different shafts within the engine in order to increase the operational margin and improve efficiency. This system called the Advanced Power Generation Centre (APGC), is introduced in this paper and the associated electrical subsystem with the high-pressure shaft has been analysed in detail. The capabilities and limitations of this topology have been discussed in this paper and validated in MATLAB/Simulink environment.