A three-phase phase-locked loop algorithm with immunity to distorted signals employing an adaptive filter

被引：11

作者：

de Araujo Lima, Francisco Kleber ^{[1
]}

Araujo, Renato Guerreiro ^{[1
]}

Tofoli, Fernando Lessa ^{[2
]}

Castelo Branco, Carlos Gustavo ^{[1
]}

机构：

[1] Univ Fed Ceara, Dept Elect Engn, Fortaleza, Ceara, Brazil

[2] Univ Fed Sao Joao del Rei, Dept Elect Engn, Sao Joao Del Rei, MG, Brazil

来源：

ELECTRIC POWER SYSTEMS RESEARCH | 2019年 / 170卷

关键词：

Grid synchronization; Harmonics; Interharmonics; Phase-locked loop; Three-phase systems; POWER CONVERTERS; FREQUENCY; PLL; SYSTEM;

D O I：

10.1016/j.epsr.2019.01.017

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：

This paper introduces a synchronization algorithm for the detection of the fundamental positive-sequence component in three-phase systems. The structure is based on the correlation of the input signal with a complex signal generated from the association of an adaptive filter and a phase-locked loop (PLL) method previously presented in literature. Good disturbance rejection is then achieved, in particular to interharmonics and sub-harmonics. Simulation and experimental results are presented and discussed in order to demonstrate the performance of the proposed solution when compared with that regarding dual second-order generalized integrator frequency locked Mop (DSOGI-FLL), which is often considered to present good disturbance rejection.

引用

页码：116 / 127

页数：12

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