Rakarskiy says
"Does it matter if it is rotated mechanically or by switching armature windings in the manner of a DC motor armature."
Yes it matters. Switching currents to induce a moving magnetic field onto a series of coils housed in a device can impart mechanical force onto the structure. However, if said structure allows no motion, there can be no mechanical power. Motion is a necessary component of mechanical power. Therefore that device cannot fit the definition of an electric generator, a device which converts mechanical power into electric power. The device using switched currents to produce the rotating magnetic field without mechanical motion would be considered a transformer with electric power input and electric power output.
bi
"Does it matter if it is rotated mechanically or by switching armature windings in the manner of a DC motor armature."
Yes it matters. Switching currents to induce a moving magnetic field onto a series of coils housed in a device can impart mechanical force onto the structure. However, if said structure allows no motion, there can be no mechanical power. Motion is a necessary component of mechanical power. Therefore that device cannot fit the definition of an electric generator, a device which converts mechanical power into electric power. The device using switched currents to produce the rotating magnetic field without mechanical motion would be considered a transformer with electric power input and electric power output.
bi
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