The magnetic noise of three-phase induction motors with squirrel cage rotors

被引：0
|
作者：
Peter, I. [1 ]
Scutaru, Gh. [2 ]
机构：
[1] SC Electroprecizia SA, Sacele Str,Parcului 18, Sacele Brasov 505600, Romania
[2] Transilvania Univ Brasov, Dept Elect Engn, Brasov R-500036, Romania
来源：
PROCEEDINGS OF THE 11TH INTERNATIONAL CONFERENCE ON OPTIMIZATION OF ELECTRICAL AND ELECTRONIC EQUIPMENT, VOL II A AND B | 2008年
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D O I：
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中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
In this paper a study of the magnetic noise in three-phase one and two-speed cage rotor, totally enclosed, externally cooled induction motors is presented. Investigations include two-speed three-phase induction motors with Dahlander winding connection or separate windings, with rated speeds of 3000/1500 rpm, 1500/750 rpm, 150011000 rpm. The investigated motors (manufactured by SC Electroprecizia SA) were placed in a semi-anechoic chamber in order to determine the noise versus frequency characteristics (spectrograms). The paper is based on results and conclusions obtained after analyzing these spectrograms. The importance of the pressure applied by the stacking of the stator laminations for the level of the magnetic noise is also presented.
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页码：63 / +
页数：2
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