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首页> 外文会议>Optimization of Electrical and Electronic Equipment (OPTIM), 2012 13th International Conference on >The influence of the winding type on the noise level of two-speed three-phase induction motors
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The influence of the winding type on the noise level of two-speed three-phase induction motors

机译：绕组类型对两速三相感应电动机噪声水平的影响

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摘要

The purpose of this paper is to study the influence of the type of winding — double layer or single layer — to the global noise level of the machine. For this purpose, two variable speed induction motors have been studied, of the type M3AA 71 B4/8 manufactured by Electroprecizia S.A. Săcele, Romania, with Dahlander windings, star connected — for the low speed and double star connected — for the high speed. The motors are modelled from magnetic and mechanical point of view with finite element softwares. The investigated motors were placed in the semi-anechoic chamber in order to determine the noise-to-frequency characteristics (spectrograms).
机译：本文的目的是研究绕组类型（双层或单层）对电机总体噪声水平的影响。为此，已经研究了两种变速感应电动机，它们是罗马尼亚Electroprecizia S.A.Săcele生产的M3AA 71 B4 / 8型，带有达兰德绕组，星形连接-用于低速，双星形连接-用于高速。电机是使用有限元软件从磁学和机械学角度建模的。为了确定噪声频率特性（频谱图），将被研究的电动机放置在半消声室中。

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