A New Harmonic Extraction Method for Estimation of the Reference Compensation Current in Shunt Active Power Filters

被引：1
|
作者：
Barros, Julio [1 ]
de Apraiz, Matilde [1 ]
Diego, Ramon, I [1 ]
机构：
[1] Univ Cantabria, Dept Ingn Informat & Elect, Santander, Spain
来源：
2022 20TH INTERNATIONAL CONFERENCE ON HARMONICS & QUALITY OF POWER (ICHQP 2022) | 2022年
关键词：
harmonic distortion; harmonic compensation; active power filters; wavelet transform; WAVELET TRANSFORM; QUALITY;
D O I：
10.1109/ICHQP53011.2022.9808827
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This paper proposes a method based on the use of the undecimated wavelet packet transform (UWPT) for estimation of the reference compensating current in shunt active power filters. The UWPT is used as a filter bank for extraction of the harmonic components drawn by a nonlinear load and estimation of the reference current for compensation of the harmonic distortion. The method proposed can be implemented on-line using half-cycle sampling window width and decomposes the input signal in uniform frequency bands with the fundamental and the odd harmonic frequencies in the center of each band, enabling the global or partial compensation harmonic and interharmonic distortion. The method proposed shows good performance in stationary and transient conditions.
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页数：6
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