Reference current estimation under distorted line voltage for control of shunt active power filters

被引：32
|
作者：
Moreno, VM [1 ]
López, AP [1 ]
Garcías, RID [1 ]
机构：
[1] Univ Cantabria, Dept Elect & Comp, Santander 39004, Spain
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2004年 / 19卷 / 04期
关键词：
active power filters (APFs); harmonic current compensation; Kalman digital algorithm; voltage total harmonic distortion (VTHD);
D O I：
10.1109/TPEL.2004.830049
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Shunt active power filters (APF) are used in power systems for the compensation of harmonic currents generated for non linear loads. A new digital reference current estimation method for control of APF using a Kalman digital algorithm is presented. Its capability of prediction avoids the effects of computational lags derived from the digital signal processing. The characteristics of the proposed technique are: the harmonic current compensation in a global or a selective way, the fast dynamical response and its independence from disturbances in the line voltage waveform. Simulation and experimental results under distorted supply voltages demonstrate the usefulness of the presented technique to improve the filtering performance.
引用
收藏
页码：988 / 994
页数：7
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