Synchronization Stability Analysis of PLL-based Grid-connected VSC System by Voltage Space Vectors

扫码查看

原文链接

维普
万方数据

外文摘要：This paper focuses on synchronization stability anal-ysis of the power system,in which power electronics are synchro-nized by the phase-locked loop(PLL).It provides new insight into the synchronization stability of power electronics from the voltage perspective.The synchronization stability analysis based on space vector is carried out by establishing a simplified model of the grid-connected voltage source converter(VSC)system.Without complex mathematical calculation,the existence criterion of equilibrium points and the criterion of transient instability dominated by the unstable equilibrium point(UEP)are derived,respectively.With the proposed method,synchronization stability can be determined by the voltage space vectors,which are more observable in potential engineering applications.At the end of this study,the steps of the synchronization stability determination by voltage space vectors are summarized,and the effectiveness and applicability of the proposed method are demonstrated by numerical simulations performed on the PSCAD/EMTDC platform.

外文关键词：

Large disturbancephase locked loop(PLL)space vectorsynchronization stabilityvoltage source converter(VSC)

作者：

Huadong Sun、Shuyan Wang、Shiyun Xu、Jingtian Bi、Yiming Wang

展开 >

作者单位：

State Key Laboratory of Power Grid Safety and Energy Conservation,China Electric Power Research Institute,Beijing 100192,China

基金：

National Natural Science Foundation of ChinaNational Natural Science Foundation of ChinaNational Natural Science Foundation of China

项目编号：

U21666015197719751907179

出版年：

2024

DOI：

10.17775/CSEEJPES.2022.04450

中国电机工程学会电力与能源系统学报(英文版)

中国电机工程学会

中国电机工程学会电力与能源系统学报(英文版)

CSTPCDEI

ISSN：2096-0042

年,卷(期)：2024.10(5)