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대한기계학회 대한기계학회 논문집 대한기계학회 논문집 제13권 제1호
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    초록·키워드

    Alternator noises are composed of magnetic noise, mechanical noise, and ventilation noise. These noises depend on the design of magnetic parts and fans, the machining accuracy of each element, and assembled conditions. In running alternator there are various exciting forces which can generate noises and vibrations. In order to identify the noise sources of the alternator, the characteristics of noises and vibrations are analyzed as rotating speed is increased. And the experiment for structural vibration is carried out. From results of experimental study, the noise sources are identified and their contributions to the overall noise level are investigated. Their results can lead the instruction to the noise reduction on the alternator.

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      UCI(KEPA) : I410-ECN-0101-2009-550-012761028