Three-dimensional temperature distribution in large hydro-generators: efficient simulation and optimization

被引：1

作者：

Traxler-Samek, Georg ^{[1
]}

Langmayr, Daniel ^{[2
]}

机构：

[1] ANDRITZ HYDRO AG, Obernauerstr 4, CH-6010 Kriens, Switzerland

[2] ANDRITZ HYDRO GmbH, Dr Karl Widdmann Str 5, A-8160 Weiz, Austria

来源：

ELEKTROTECHNIK UND INFORMATIONSTECHNIK | 2019年 / 136卷 / 02期

关键词：

cooling; hydro-generator; synchronous generator; temperature;

D O I：

10.1007/s00502-019-0723-y

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In large air-cooled hydro-generator, designed as salient-pole synchronous machines, a forced cooling air-flow evacuates power losses. In order to optimize ventilation losses caused by air-friction and fan air-pressure generation, the cooling-air distribution is set up in such a way that loss sources - mainly the active parts of the generator - are intensely cooled. For this purpose, the generator as a whole must be considered and optimized. This paper presents a calculation method for determining the three-dimensional temperature field in large hydro-generators and validates calculation results with measurements.

引用

页码：216 / 223

页数：8

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