Software Phase Locked Loop for Single Phase Grid Tied Systems

被引：0

作者：

Qin, Jian ^{[1
]}

Li, Jing ^{[2
]}

机构：

[1] Wuhan Univ Technol, Sch Automat, Wuhan 430070, Peoples R China

[2] China Nucl Power Technol Res Inst Co Ltd, Shenzhen 518000, Peoples R China

来源：

PROCEEDINGS OF THE 2ND INTERNATIONAL CONFERENCE ON ADVANCES IN MECHANICAL ENGINEERING AND INDUSTRIAL INFORMATICS (AMEII 2016) | 2016年 / 73卷

关键词：

phase locked loop; adaptive notch fliter; phase detect;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The phase angle utility is a critical piece of information for operation of power devices feeding power into the grid like PV inverter. A Phase Locked Loop (PLL) is a closed loop system in which an internal oscillator is controlled to keep the time/phase of an external periodical signal using a feedback loop. In this paper, a method is proposed to enhance the performance of a phase locked loop. An adaptive notch filter is used to selectively notch the exact frequency. Simulation of both the basic PLL and the improved PLL are made by MATLAB/Simulink, the result is summarized in the last section.

引用

页码：482 / 485

页数：4

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