Siemens Gamesa Renewable Energy A/s

Siemens Aktiengesellschaft

Flender Gmbh

Peter Hessellund Soerensen

Giovanni Airoldi

Arwyn S Thomas

Erik Groendahl

Henrik Stiesdal

Thorkil Munk-Hansen

Uffe Eriksen

Ziad Azar

Jean Le Besnerais

Alexander Duke

Soeren Gundtoft

Claus Michaelsen

Claus Thygesen

Hans-Joergen Thougaard

Xavier Tourde

Bo Nedergaard Jacobsen

Adriana Cristina Urda

Mads Peter Zippor Leth Andersen

Mahsa RafieeArashtnab

Kim Granly Hansen

Provided is an electric generator having a stator, a rotor, a plurality of coils including conductors shaped as a tape, the stator extending axially along a longitudinal axis between a first axial end and a second axial end, the stator including a plurality of slots, the plurality of slots being circumferentially distributed around a longitudinal axis of the stator, each of the coils respectively comprising: two slot portions respectively housed in two slots of the stator, two end-windings axially protruding from stator at the first axial end and a second axial end.

Coil layout for a generator having tape conductors

A cooling system for cooling an electric generator having a stator, a rotor and one or more superconducting coils is provided. The cooling system includes: at least a first cooling unit for cooling at least one of the stator and the rotor, at least a second cooling unit for cooling the superconducting coils, the second cooling unit being thermally connected to the first cooling unit, the first cooling unit providing a hot source for the second cooling unit.

Cooling system for a superconducting generator

Provided is an electrical generator including a stator having a stator body extending axially between a first axial end and a second axial end, the stator body including a plurality of slots, the plurality of slots being circumferentially distributed around a longitudinal axis of the stator body. The stator includes a plurality of windings housed in the plurality of slots and a plurality of end-windings, each end winding having a curved shape and connecting the windings in two slots of the plurality of slots. The electrical generator further includes at least one air guide inside and/or outside the plurality of end-windings cool.

Cooling of the end-windings of an electric generator

A generator for a wind turbine, a direct drive wind turbine, and a method for manufacturing a generator for a wind turbine is provided. The generator includes a rotor, and a stator, wherein the stator includes a first radial side and a second radial side which is opposite of the first radial side, and wherein the rotor is arranged adjacent to the first radial side. The generator further includes a flow distribution element which is arranged adjacent to the second radial side such that a circumferential flow channel is formed between the flow distribution element and the second radial side.

Generator for a wind turbine

Cooling a wind turbine generator It is described an arrangement () for cooling a generator mounted in a nacelle of a wind turbine, the arrangement comprising: a cooling air inlet () at an outer wall () of the nacelle () for introducing cooling air () into a space region () inside the nacelle; an inlet fan () downstream the cooling air inlet () configured to pressurize the introduced cooling air within the space region (); a filter system () downstream the inlet fan () and separating the space region () from another space region () inside the nacelle (), the other space () region being in communication with generator portions () to be cooled; a duct system () adapted to guide a portion () of cooling air () heated by exchange of heat from the generator portions to the cooling air into the space region ().

Cooling a wind turbine generator

A wind turbine including a generator with a stator and a rotor, a cooling arrangement, a wind turbine brake including a brake disk and a caliper with brake pads is provided. An air duct with a filter is located near the brake pads of the caliper. During the operation of the cooling arrangement, a part of the air flow is guided via the brake pads. The brake dust produced by the brake pads during operation of the brake will be reduced by the filter of the air duct.

Wind turbine with a brake dust collector

A generator armature including a plurality of laminate sheets stacked to form an annular arrangement of armature teeth, whereby each pair of adjacent armature teeth is separated by an axial winding slot extending a direction essentially parallel to an axis of rotation of the generator; and a plurality of radial cooling channels, whereby a radial cooling channel is realized to transport a cooling medium and extends from an axial winding slot to an interior cavity of the generator, and wherein a radial cooling channel includes a series of aligned notches in the laminate sheets of a laminate stack is provided. A laminate sheet for an armature of a generator, a cooling arrangement, a generator, a wind turbine, and a method of cooling stator windings arranged on an armature of a generator is also provided.

Generator armature

An airflow control arrangement for a direct-drive wind-turbine with a generator comprising a rotor and a stator, which airflow control arrangement comprises an outflow fan arranged to draw an exit airflow through an exit duct, which exit duct extends from an interior cavity of the stator to the exterior of the wind turbine. The invention further describes a direct-drive wind turbine comprising such an airflow control arrangement. The invention further describes a method of controlling an airflow in a direct-drive wind-turbine with a generator comprising a rotor and a stator is provided.

Airflow control arrangement

A magnet assembly for a rotor assembly of an electromechanical transducer includes a magnet component and a thermal insulating structure. The magnet component has a permanent magnet material. The thermal insulation structure covers at least a part of a surface of the magnet component for thermally decoupling the magnet component from heat being generated within electromechanical transducer. In an example embodiment, the electromechanical transducer is a generator of a wind turbine.

Growing community of inventors

Brædstrup, Denmark

Peter Hessellund Soerensen