RETRACTED CHAPTER: Structure Vibration Analysis and Active Noise Control of a Power Transformer by Mobility Measurement

2011 ◽  
pp. 322-332
Author(s):  
Young-Dal Kim ◽  
Jae-Myung Shim ◽  
Keun-Seok Park ◽  
Yun-Mi Jeong ◽  
Dae-Dong Lee
Keyword(s):  
Vibration Analysis ◽  
Noise Control ◽  
Power Transformer ◽  
Active Noise Control ◽  
Active Noise ◽  
Mobility Measurement ◽  
Structure Vibration

Research on Active Noise Control in Power Transformer

2011 ◽  
Vol 347-353 ◽  
pp. 2347-2350 ◽  
Author(s):  
Jiang Tao Liu ◽  
Li Ming Ying ◽  
Chun Ming Pei
Keyword(s):  
Design Methodology ◽  
Noise Control ◽  
Power Transformer ◽  
Active Noise Control ◽  
Noise Cancellation ◽  
Optimal Location ◽  
Noise Attenuation ◽  
Large Power ◽  
Output Error ◽  
Active Noise

The problem of noise in power transformer was pay attention to by this paper. The paper presents the design methodology for the active noise control (ANC) of sound disturbances in power transformer. The active noise attenuation algorithm uses the framework of output-error based optimization of a linearly parameterized filter for feedforward sound compensation to select optimal location of sensor and demonstrate the effectiveness of active noise attention in a large power transformer. The ANC controller can automatically measure the sound disturbances and select the compensate parameters to realize the noise cancellation. With 220kV power transformer noise cancellation, for example, the simulating results prove that the ANC technology to cancel the noise in power transformer is an effective way.

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