A 2nd Order LPF Wavelet based Control Scheme for Shunt Active Power Filter

被引：0

作者：

Otchere, Isaac Kofi ^{[1
]}

Ampofo, Desmond Okwabi ^{[1
]}

Frimpong, Emmanuel Asuming ^{[2
]}

机构：

[1] Univ Energy & Nat Resources, Comp & Elect Engn Dept, Sunyani, Ghana

[2] Kwame Nkrumah Univ Sci & Technol, Dept Elect & Elect Engn, Kumasi, Ghana

来源：

2017 IEEE PES POWERAFRICA CONFERENCE | 2017年

关键词：

Multiresolution analysis; power quality; 2nd order low pass filter; shunt active power filter; synchronous reference frame;

D O I：

暂无

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：

Shunt Active Power Filters (APFs) play an important role in mitigating load current related power quality (PQ) challenges. Their dynamic performance largely depends on the control technique deployed. This paper proposes a simple and novel 2nd order low pass filter (LPF) wavelet based control scheme for Shunt APF. The control technique is driven on the concept of wavelet based multiresolution analysis (MRA) where only one level of the pyramid is deployed to extract the fundamental frequency component of an unbalance and non-linear load current. Second order generalized integrators (SOGIs) are then employed to extract the positive sequence component with less than 1 cycle delay. Matlab/Simulink simulations are carried out to validate the proposed technique under several operating conditions using the Synchronous reference frame (SRF) theory based control as benchmark.

引用

页码：445 / 449

页数：5

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