Present status and future development for active control of transformer noise

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Conference Proceeding
INTER-NOISE 2017 - 46th International Congress and Exposition on Noise Control Engineering: Taming Noise and Moving Quiet, 2017, 2017-January
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© 2017 Institute of Noise Control Engineering. All rights reserved. Active noise control (ANC) is effective for controlling the low frequency noise, so its application to transformer noise control has been studied by many researchers. This paper introduces the history and the present status for the active control of the transformer noise, especially focuses on three typical ANC strategies according to different application scenarios, including the global control strategy, the virtual sound barrier and the active noise barrier. The theoretical principle, the design method and the applications of these strategies are summarized and compared, and the advantages and the limitations are analyzed. Finally, furtherresearch direction is discussed for the practical engineering applications of ANC of the transformer noise.
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