Mechanics of Cross-Ply Composite Support Ring in Electrical Generator Stator Windinges

摘要

The Power Generation Business Unit of Westinghouse Electric Corporation manufactures electric generators commonly used in power generation. These generators require an electrically insulative bracing structure to support the stator coil(armature) windings at each end ofthe machine. Several large circular cross-ply composite rings are used to support the stator coil wiinding; adding stiffness to jthe structure to prevent excessive deflections in the stator coils resulting from peak electromagentic loads which occur during electrical transients. There is conceern regardingthe achieved physical properties of the cross-ply wound composite rrings due to limited processing capabilities and process variation.