Patent ID: 7663264

Claim:
A device for supplying electricity power to and actuating equipments of a gas turbine airplane engine, comprising: an electricity power supply circuit dedicated to the engine and distinct from an electricity network on board of the airplane and circuits for excitation, control or servo-control of pieces of electrical equipment of the engine, the engine electricity power supply circuit comprising: a first bus configured to distribute DC or AC voltage to circuits for excitation, control or servo-control of first pieces of electrical equipment of the engine, a second bus configured to distribute DC or AC voltage to circuits for excitation, control or servo-control of second pieces of electrical equipment of the engine which require a higher electrical power than the first pieces of equipment, and a third bus that includes a connection configured to receive power from an electricity source and connected to the first bus and to the second bus for supplying the first bus and second bus with electric power, wherein the third bus is connected to receive electric power from the electricity distribution network on board of the airplane.