Patent ID: 8628042

Claim:
An aircraft provided with a rotor driven by a rotor mast set into rotation by a power gearbox located inside an airframe of an aircraft, said rotor including at least one piece of electrical equipment, wherein the aircraft includes an electrical power supply and control device for equipment of said rotor, the device having a three-phase AC generator in a stationary frame of reference, wherein the device includes a rotary field transformer having a stationary portion electrically connected to said generator and a rotary portion electrically connected to a sequencer that is arranged in a rotary frame of reference, said device including control means for controlling the sequencer and located in said stationary frame of reference, the control means being connected to the sequencer by contactless connection means, said sequencer being suitable for electrically powering said equipment on order of said control means, the device having the three-phase AC generator arranged in said airframe, the stationary portion of the rotary field transformer connected to said airframe and the rotary portion constrained to rotate with said rotor, the sequencer constrained to rotate with said rotor, the control means arranged in the airframe.