Three-phase-two-phase rotating transformer (10) characterized in that it comprises a first single-phase rotating transformer (11) and a second single-phase rotating transformer (21), said first transformer (11) comprising a first body (12) delimiting a first notch (14), a first coil (16) in the first notch (14), a second body (13) delimiting a second notch (15), and a second coil (17) in the second notch (15), said second transformer (21) comprising a third body (22) delimiting a third notch (24), a third coil (26) in the third notch (24), a fourth body (23) delimiting a fourth notch (25), and a fourth coil (27) in the fourth notch (25), in which a terminal of the first coil (16) is connected to the midpoint of the third coil (26), said first body (12), said first coil (16), said third body (22) and said third bob ine (26) forming a three-phase part (31) of the transformer (10), said second body (13), said second coil (17), said fourth body (23) and said fourth coil (27) forming a two-phase part (32 ) of the transformer (10), said three-phase part (31) and said two-phase part (32) being movable in rotation about the axis A, one with respect to the other.
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