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
收藏
页码：482 / 485
页数：4
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