ELECTRICAL POWER SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR AN AIRCRAFT

The present invention relates to a system (10) for electrically powering electrical consumers of an aircraft, the system (10) comprising a first power train system (15) of an aircraft, the first power train system (15) comprising:- an electrical power supply grid (20) for electrically connecting at least a power generation unit (30), a power consumer (50) and an electrical power storage unit (40), wherein the electrical power supply grid (20) is configured to:- receive power from the power generation unit (30),- supply power to the electrical power storage unit (40) generated by the power generation unit (30) or receive power from the electrical power storage unit (40), and- supply power from the power generation unit (30) and/or from the electrical power storage unit (40) to the power consumer (50); and- a power train control unit (100) configured to receive at least one input variable being reflective of a state and/or a condition of the electrical power storage unit (40) and to control the power (114) supplied to the electrical power storage unit (40) at least on the basis of the at least one input variable.Furthermore, a corresponding aircraft propulsion system (12), method and computer program product are provided.