Estimation of Single-Phase Grid Voltage Parameters: an Adaptive Observer-Based Approach

被引：0
|
作者：
Dai, Zhiyong [1 ]
Lin, Wei [2 ,3 ]
Lin, Hui [1 ]
Qian, Chunjiang [4 ]
机构：
[1] Northwestern Polytech Univ, Xian Shi, Shaanxi Sheng, Peoples R China
[2] Dongguan Univ Technol, Dongguan Shi, Guangdong Sheng, Peoples R China
[3] Case Western Reserve Univ, Cleveland, OH 44106 USA
[4] Univ Texas San Antonio, San Antonio, TX USA
来源：
PROCEEDINGS OF THE 2016 12TH WORLD CONGRESS ON INTELLIGENT CONTROL AND AUTOMATION (WCICA) | 2016年
关键词：
FREQUENCY ESTIMATION; LOCKED LOOP; SYNCHRONIZATION; FILTER; PLL;
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：
This paper presents an adaptive observer-based approach for the estimation of single-phase grid voltage parameters under harmonic disturbances. The grid voltage is treated as a solution of a dynamic system and then an adaptive observer is developed based on the dynamic model. The proposed method is capable of estimating the grid voltage parameters including frequency, amplitude and phase angle asymptotically, with zero steady-state error. This conclusion is proved by means of passivity, Lyapunov-based arguments and La Salle's invariance principle. Simulation results are given to demonstrate the effectiveness of the proposed estimation strategy.
引用
收藏
页码：2009 / 2014
页数：6
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