A turbine engine, comprising: an enclosure, defining: an air intake at an upstream end; a compression section downstream of the air intake; a combustion section downstream of the compression section; a turbine section downstream of the combustion section; and an exhaust at a downstream end; a first shaft coupled with a first compressor of the compression section and with a first turbine of the turbine section, wherein the first shaft is configured to rotate at a first rotational speed; a second shaft coupled with a second compressor of the compression section and with a second turbine of the turbine section and running coaxially with the first shaft, wherein the second shaft is configured to rotate at a second rotational speed; a first armature winding, connected to one of the first shaft and the second shaft; a permanent magnet, which is positioned on a different one of the first shaft and the second shaft than the first armature winding, emitting a first magnetic field that is configured to rotate relative to the first armature winding at a differential rotational speed corresponding to a difference between the first rotational speed and the second rotational speed and induce a first current in the first armature winding; a first electromagnet, connected to the first armature winding, and being positioned on the same shaft as the first armature winding, configured to emit a second magnetic field when powered by the first current; a second armature winding, connected to a different one of the first shaft and the second shaft than the first armature winding, configured to rotate relative to the first electromagnet at the differential rotational speed and to have a second current induced on the second armature winding by the second magnetic field; a resonant emitter, connected to the second armature winding, and positioned on the same shaft as the second armature winding, configured to generate a third magnetic field of at least a predefined frequency when powered by the second current; and a resonant receiver disposed on the enclosure of the turbine engine, positioned to receive the third magnetic field and convert the third magnetic field into an electrical power output. an enclosure, defining: an air intake at an upstream end; a compression section downstream of the air intake; a combustion section downstream of the compression section; a turbine section downstream of the combustion section; and an exhaust at a downstream end; an air intake at an upstream end; a compression section downstream of the air intake; a combustion section downstream of the compression section; a turbine section downstream of the combustion section; and an exhaust at a downstream end; a first shaft coupled with a first compressor of the compression section and with a first turbine of the turbine section, wherein the first shaft is configured to rotate at a first rotational speed; a second shaft coupled with a second compressor of the compression section and with a second turbine of the turbine section and running coaxially with the first shaft, wherein the second shaft is configured to rotate at a second rotational speed; a first armature winding, connected to one of the first shaft and the second shaft; a permanent magnet, which is positioned on a different one of the first shaft and the second shaft than the first armature winding, emitting a first magnetic field that is configured to rotate relative to the first armature winding at a differential rotational speed corresponding to a difference between the first rotational speed and the second rotational speed and induce a first current in the first armature winding; a first electromagnet, connected to the first armature winding, and being positioned on the same shaft as the first armature winding, configured to emit a second magnetic field when powered by the first current; a second armature winding, connected to a different one of the first shaft and the second shaft than the first armature winding, configured to rotate relative to the first electromagnet at the differential rotational speed and to have a second current induced on the second armature winding by the second magnetic field; a resonant emitter, connected to the second armature winding, and positioned on the same shaft as the second armature winding, configured to generate a third magnetic field of at least a predefined frequency when powered by the second current; and a resonant receiver disposed on the enclosure of the turbine engine, positioned to receive the third magnetic field and convert the third magnetic field into an electrical power output.