Influence of temperature on the vibro-acoustic behavior of claw-pole alternators

被引：0
|
作者：
Tan-Kim, A. [1 ,2 ]
Lanfranchi, V. [1 ]
Legranger, J. [2 ]
Palleschi, F. [2 ]
Redon, M. [2 ]
机构：
[1] Univ Technol Compiegne, Lab Electromecan Compiegne, F-60205 Compiegne, France
[2] Valeo Equipements Elect Moteur, F-94046 Creteil, France
来源：
2014 INTERNATIONAL CONFERENCE ON ELECTRICAL MACHINES (ICEM) | 2014年
关键词：
Acoustic noise; claw-pole alternator; temperature; stator and windings model; VIBRATION BEHAVIOR; NATURAL FREQUENCIES; MACHINES; STATORS; SIMULATION; MOTORS;
D O I：
暂无
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：
Audible noise of automotive alternators is a key point for future cars. Its reduction requires a multiphysic approach including electromagnetic, vibro-acoustic and thermal aspects. In this perspective, this paper investigates the influence of stator temperature on the acoustic noise of a claw-pole alternator. Experimental results show a clear reduction of sound power level and change in noise peak frequencies with an increased temperature. An experimental modal analysis of the stator is carried out to explain this effect. Based on these measurements, a model is developed to predict the resonant frequencies of the wound stator at different temperatures.
引用
收藏
页码：1628 / 1634
页数：7
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