タービン発電機の漂遊損解析

富士電機株式会社 溝上 良一

概要

We have calculated the eddy current loss in the teeth of stator core end and the influence that coil end form gives to eddy
current in the press ring of 2 pole turbine generator by 3D FEM. As a result, eddy current loss in the teeth of stator core end is 10 times of loss density at center portion. And we had a result when the coil end angle are changed from “upper:13deg/under:20deg” to “upper:20deg/under:2Ddeg”, eddy current loss in the press ring increased about 40%.

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