Welded manifold for a stator system

摘要

A stator system for an electric machine, in particular a generator of a wind turbine is disclosed. The stator system includes a stator segment, a plate, supply system and a manifold segment. The stator segment includes a cooling channel which includes an opening at an axial front face of the stator segment. The plate is mounted to the axial front face for reinforcing the stator segment. The supply system is adapted for supplying cooling fluid to the cooling channel. The manifold segment is welded to the plate for forming a guide channel for the cooling fluid between the manifold segment and the plate. The plate includes a through-hole for generating a connection between the opening of the cooling channel and the guide channel. The supply system is connected to the guide channel.

主权项

1. A stator system of a generator of a wind turbine, the stator system comprising:
a stator segment which comprises a plurality of sheet elements which are fixed together along an axial direction such that a stator lamination is formed, the stator segment comprises a plurality of parallel cooling channels which each comprises an opening at an axial front face of the stator segment; a plate mounted to the axial front face is configured to apply pressure to the stator segment stator lamination in order to tighten the stator lamination; a supply system is configured to supply cooling fluid to the plurality of parallel cooling channels; an outer-manifold segment welded to the plate is configured to form an outer-guide channel for maintaining the cooling fluid between the outer-manifold segment and the plate; and an inner manifold segment which is attached to the plate between the outer-manifold segment and the plate such the inner-manifold forms an inner guide channel for maintaining the cooling fluid between the inner-manifold segment and the plate, wherein the plate comprises a through-hole for each of the plurality of parallel cooling channels for generating a connection between the opening of the respective cooling channel and one of the guide channels, and wherein the supply system is connected to the outer-guide channel in order to supply the cooling fluid into the outer-guide channel.