Interacting Bifurcation Phenomenon in Three-Phase Voltage Source Converter Connected to Non-ideal Power Grid

被引：0

作者：

Huang, Meng ^{[1
,2
]}

Tse, Chi K. ^{[2
]}

Wong, Siu-Chung ^{[2
]}

Ruan, Xinbo ^{[3
]}

Wan, Cheng ^{[3
]}

机构：

[1] Wuhan Univ, Wuhan 430072, Peoples R China

[2] Hong Kong Polytech Univ, Kowloon, Peoples R China

[3] Huazhong Univ Sci & Technol, Wuhan, Peoples R China

来源：

39TH ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY (IECON 2013) | 2013年

关键词：

Grid interaction; low-frequency instability; Hopf bifurcation; catastrophic bifurcation; three-phase voltage source converter; INVERTERS; SYSTEMS;

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：

Three-phase voltage source converters are commonly used to convert ac power from a three-phase grid to a regulated dc voltage with controlled unity input power factor. However, the non-ideal power grid may drive the converter to enter a low-frequency instability region. As a result of the emergence of low-frequency oscillation, the stability boundary leading to a catastrophic bifurcation shrinks dramatically. Simulation results show the interaction of the low-frequency oscillation and the catastrophic bifurcation. Analytical calculations based on harmonic balance are adopted to show how the stability margin is affected.

引用

页码：8373 / 8378

页数：6

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