Abstract:
A rotor (3) of a wind turbine large-diameter rotary electric machine (1) has a hub (4) designed to rotate about an axis of rotation (A); a tubular structure (25) extending about the hub (4) and supporting a plurality of active segments (6) arranged about the axis of rotation (A); and a radial structure (7) for connecting the hub (4) to the tubular structure (25), which is divided into a plurality of sectors connectable selectively to the radial structure (7).
Abstract:
A wind power turbine, for generating electric energy, has a supporting structure (2); a nacelle (3); a blade assembly (5) rotating with respect to the nacelle (3); a first and second electric machine (9, 13) having, respectively, a first and second stator (10, 14), and a first and second rotor (11, 15) substantially coaxial with each other and fitted to the first and second stator (10, 14) to rotate about a first and second axis (A1, A2); and a transmission assembly (17; 48; 71) for connecting the first and second rotor (11, 15); the transmission assembly (17; 48; 71) being deformable.
Abstract:
An active assembly (29) of a wind turbine rotating electric machine has a magnetic guide having at least two slots (28) separated by a tooth (19) with a plane of symmetry (S); and a coil (20) formed by a plurality of electric conductors, each with a substantially rectangular cross section and wound repeatedly about the tooth (19) to fill the slots (28) and form two heads (30) close to the opposite ends of the tooth (19); the width (L1; L3) of each electric conductor being less than a third of the distance (D) between the electric conductor (25) and the plane of symmetry (S).
Abstract:
A wind power turbine for generating electric energy has; a supporting structure (2); a nacelle (3); a blade assembly (5) which rotates with respect to the nacelle (3); a first and second electric machine {9, 13; 13, 9) having, respectively, a substantially coaxial first and second stator (10, 14; 14, 10), and a first and second rotor (11, 15; 15, 11) coupled to the first and second stator (10, 14; 14, 10) to rotate about a first and second axis (Al, A2; A2, Al); a transmission (17) for connecting the first rotor (11; 15) to the second rotor (15; 11); a control device (8) for controlling the wind power turbine (1); and a detection system (65) connected to the control device (8) to detect relative movement between the first rotor (11; 15) and the second rotor (15; 11).
Abstract:
A wind power system, for generating electric energy, having a nacelle (3); an electric machine (6) for generating electric energy from the wind, and having a stator (12) and a rotor (13); a rotary assembly (7), which rotates with respect to the nacelle (3) about an axis (A2), and includes the rotor (13) of the electric machine (6); and an electric power transfer system (35; 135) for transferring electric power from the nacelle (3) to the rotary assembly (7); wherein the electric power transfer system (35; 135) includes a first primary winding (37; 137) integral with the nacelle (3), and a first secondary winding (38; 138) wound about the axis (A2), integral with the rotary assembly (7), and coupled electromagnetically to the first primary winding (37; 137).
Abstract:
A wind turbine having an electric machine (6), in turn having a stator (10), and a rotor (11) which rotates about an axis of rotation (A2) with respect to the stator (10); the rotor (11) having a plurality of magnetized modules (25), and a rotor cylinder (20; 40) which extends circumferentially, rotates about an axis of rotation (A2), and is designed to support the plurality of magnetized modules (25); and wherein the rotor cylinder (20; 40) is made of nonmagnetic material.
Abstract:
An electric machine having a stator (2), and a rotor (3) which rotates with respect to the stator (2) about an axis of rotation (A); the rotor (3) having rotor segments (7) arranged about the axis of rotation (A); each rotor segment (7) having at least a first module (15) and a second module (16) of material with magnetic properties, and arranged radially, more specifically aligned radially with each other, with respect to the axis of rotation (A); and the electric machine being characterized in that the first module and second module (15, 16) have different magnetic characteristics.
Abstract:
A system for locking wind turbine rotating electric machine segments has a supporting structure (10) extending about an axis of rotation (A) and having a first mating face (16), and a plurality of first axial grooves (23), each communicating with the first mating face (16); a plurality of segments (12), each having a second mating face (18), and a second axial groove (24) which is positioned facing and adjacent to one of the first grooves (23); and an expansion plug (25) designed to engage a first and second groove (23, 24) facing each other; the first and second groove (23, 24) and the expansion plug (25) being designed so that the expansion plug, when expanded, exerts a force with a radial component to lock the segment (12) to the supporting structure (10) along the respective second and first mating face (18, 16).
Abstract:
A rotor (9) of a wind turbine rotary electric machine (4) has a tubular structure (12) extending and designed to rotate about an axis of rotation (A); a plurality of active segments (15) parallel to and arranged about the axis of rotation (A) and fitted to the tubular structure (12); and a plurality of cooling channels (22) formed in the tubular structure (12).
Abstract:
A wind turbine for generating electric energy, having: a nacelle (3),- a blade assembly (5) rotatable with respect to the nacelle (3); a first and second electric machine (9, 13; 13, 9) having, respectively, a first and second stator (10, 14; 14, 10) substantially coaxial with each other, and a first and second rotor (11, 15; 15, 11) coupled respectively in rotary manner to the first and second stator (10, 14; 14, 10); a transmission assembly (17) connecting the first rotor (11; 15) to the second rotor (15; 11); and a control device (8) for controlling the wind turbine (1) and reducing oscillation on the transmission assembly (17).