Windings temperature and loss of life of an induction machine under voltage unbalance combined with over- or undervoltages

被引：78

作者：

Gnacinski, Piotr ^{[1
]}

机构：

[1] Gdynia Maritime Univ, Dept Ship Elect Power Engn, PL-81225 Gdynia, Poland

来源：

IEEE TRANSACTIONS ON ENERGY CONVERSION | 2008年 / 23卷 / 02期

关键词：

complex voltage unbalance factor (CVUF); induction motor; temperature; voltage unbalance;

D O I：

10.1109/TEC.2008.918596

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This paper deals with the effect of simultaneous voltage unbalance and over- or undervoltage on windings temperature and thermal loss of life of an induction cage machine. The presented results of investigations are based on the experiment and thermal modeling. The influence of an angle of the complex voltage unbalance factor (CVUF) on machine heating is considered. The effect of synergy of voltage unbalance,and voltage rms value deviation is presented. Two induction machines of different properties are compared. One of them has a comparatively weakly saturated magnetic circuit, and the other a comparatively strongly saturated circuit. The former is especially exposed to overheating in the conditions of undervoltage, and the latter in the conditions of overvoltage.

引用

页码：363 / 371

页数：9

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