Siemens Energy, Inc.

Westinghouse Electric Corporation

William R McCown

Jiping Zhang

Robert John Nelson

Peter Jon Clayton

Lon W Montgomery

Glenn D Cooper

A winding for use in a superconducting electric generator having a rotating rotor assembly surrounded by a non-rotating stator assembly is provided. The winding comprises at least one conductor structure associated with a component in the superconducting electric generator. The conductor structure comprises a plurality of conductive elements formed from a high temperature superconductive material. At least a portion of the conductive elements is arranged in a transposed relationship. A protective shell is positioned about the conductive elements and formed from a high strength alloy suitable for cryogenic temperatures.

Winding for use in high temperature superconducting generator

A generator rotor core () carrying superconducting windings () and having a shield () over the superconducting windings () to prevent external magnetic fields from impinging the windings. Axial shield edges () mate with corresponding features of the rotor core () or with structures affixed to or supported by the core () to support the shield ().

Rotor winding shield for a superconducting electric generator

Support structures () for attaching superconducting conductors () to a rotor () of an electrical machine (). The support structures () are mechanically configured to transfer loads exerted on the superconducting conductors () during both normal and transient operation of the rotor (). The mechanical configuration and material of the support structures () further present a thermal path that is longer than the physical distance between the superconducting conductors () and the rotor () thereby minimizing heat flow from the warm rotor () to the cold superconducting conductors ().

Superconducting coil support structures

A method of designing and manufacturing an electrical generator which has a specific target power output rating includes the steps of selecting one of a predetermined, standardized set of diameters for the rotor, stator and frame of the generator; and subsequently selecting the length of the generator stator core and one of several standardized number of stator coil slots based on the target power rating and voltage of the generator. The invention permits standardized generator components which are specific to the selected set of diameters to be used during assembly of the generator, instead of customized components, which results in reduced design and manufacturing costs per generator.

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Winter Springs, FL, United States of America

William R McCown