Abstract:
An active segment of a wind turbine rotary electric machine is selectively and prismatically connectable to a tubular support of a rotary electric machine, extends between two opposite ends to form, together with other active segments, an annular active part about an axis of rotation, and has a laminated pack; at least one active member extending axially and fitted inside a seat of the laminated pack; and at least one heat exchange member located at one end to cool one end of the active member.
Abstract:
A wind power turbine configured to generate electric energy has: a supporting structure; a nacelle; a blade assembly which rotates with respect to the nacelle; a first and second electric machine having, respectively, a substantially coaxial first and second stator, and a first and second rotor coupled to the first and second stator to rotate about a first and second axis; a transmission configured to connect the first rotor to the second rotor; a control device configured to control the wind power turbine; and a detection system connected to the control device to detect relative movement between the first rotor and the second rotor.
Abstract:
A rotary electric machine for a wind power turbine for generating electric power has a tubular stator having a plurality of stator segments; a tubular rotor which has a plurality of rotor segments, is located inside the tubular stator, and rotates about an axis of rotation with respect to the tubular stator; a sleeve located at least partly inside the tubular rotor and connectable to a supporting frame of the wind power turbine; and a bearing located inside and fixed to the sleeve, and which supports the tubular rotor rotating with respect to the sleeve.
Abstract:
An active assembly of a wind turbine rotating electric machine has a magnetic guide having at least two slots separated by a tooth with a plane of symmetry; and a coil formed by a plurality of electric conductors, each with a substantially rectangular cross section and wound repeatedly about the tooth to fill the slots and form two heads close to the opposite ends of the tooth; the width of each electric conductor being less than a third of the distance between the electric conductor and the plane of symmetry.
Abstract:
A rotary electric machine for a wind power turbine for generating electric power has a tubular stator having a plurality of stator segments; a tubular rotor which has a plurality of rotor segments, is located inside the tubular stator, and rotates about an axis of rotation with respect to the tubular stator; a sleeve located at least partly inside the tubular rotor and connectable to a supporting frame of the wind power turbine; and a bearing located inside and fixed to the sleeve, and which supports the tubular rotor rotating with respect to the sleeve.
Abstract:
A wind power generator has a nacelle; a hub rotatable about an axis of rotation with respect to the nacelle; at least two blades fitted to the hub; an electric machine which is fitted to the nacelle, is bounded by an inner surface extending about the axis of rotation, and has a rotor and a stator; and a cooling system for airflow cooling the electric machine, and which has a deflector body for defining a gap between the deflector body and the electric machine and guiding the airflow into the gap.
Abstract:
A wind turbine rotary electric machine has an active part having a plurality of axial active segments arranged about an axis of rotation; and a tubular structure, which extends about the axis of rotation, supports the active segments, and is divided into a plurality of first sectors connected to one another and configured to fit to a frame of the wind turbine.
Abstract:
A method of activating an electric machine having a stator, and a rotor which rotates about an axis with respect to the stator; the stator having a plurality of stator segments arranged about the axis; the rotor having modules made of magnetizable material and arranged about the axis; and the method including the steps of connecting the rotor to the stator by means of a bearing; and magnetizing the modules of magnetizable material when the rotor is connected to the stator.
Abstract:
A frame of a rotating electric machine of a wind turbine extends about an axis of rotation, and has a tubular structure having a cylindrical face and configured to support a plurality of active segments along the cylindrical face; an annular flange configured to connect the rotating electric machine to a main frame of a wind turbine; and a ring having an annular seat for a bearing; and wherein the tubular structure, the annular flange, and the ring are formed in one piece.
Abstract:
A rotor of a wind turbine rotary electric machine has a tubular structure extending and configured to rotate about an axis of rotation; a plurality of active segments parallel to and arranged about the axis of rotation and fitted to the tubular structure; and a plurality of cooling channels formed in the tubular structure.