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Reduction of vibration noise for amorphous metal alloy core distribution transformer

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Abstract

To understand the vibration noise behaviors of amorphous metal alloy core distribution transformer (AMACDT), a 10 kVA prototype was tested under no-load and short-circuit conditions, respectively.BSCI Women Ginkgo Leaf Pattern Satin Bandana Hair Accessory, and the primary side was connected with different load resistances. The largest amplitude positions on the upper bracket and tank surfaces were recorded by vibration sensors arranged on the surface. A data-acquisition platform was set up for signal measurement. The vibration amplitude related to frequency was discussed, and experimental results indicated that the position with the largest amplitude accrued in the middle of the upper bracket and tank surface, at phasesaandc, respectively.Sport Equipment Pipe Bending Machine (42NCB). At the same time, some rib-reinforcements were welded on the upper bracket and tank surfaces to lessen the vibration energy, which reduced the noise.

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Additional information

Supported by the National Natural Science Foundation of China (No. 51277131)4f210-08 Airtac Foot Pedal Valve(“973” Program, No.2014CB239501 and No.2014CB239506).

Liu Daosheng, born in 1976, male, doctorate student.

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Liu, D., Du, B., Zhang, J.et al.Reduction of vibration noise for amorphous metal alloy core distribution transformer.Trans.Car Block Parking Bollard Barrier Fence Folding Gate Door.21,289–298 (2015). https://doi.org/10.1007/s12209-015-2551-4

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Keywords

  • distribution transformer
  • magnetostriction
  • electrodynamic force
  • amorphous metal core
  • vibration
  • noise transmission