Stability Analysis of Grid-Connected Voltage-Source Converters Using SISO Modeling

被引：66

作者：

Zhang, Hongyang ^{[1
,2
]}

Harnefors, Lennart ^{[2
,3
]}

Wang, Xiongfei ^{[4
]}

Gong, Hong ^{[4
]}

Hasler, Jean-Philippe ^{[1
]}

机构：

[1] ABB, Power Grids Div, S-72164 Vasteras, Sweden

[2] KTH Royal Inst Technol, S-10044 Stockholm, Sweden

[3] ABB, Corp Res, S-72178 Vasteras, Sweden

[4] Aalborg Univ, Dept Energy Technol, DK-9220 Aalborg, Denmark

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2019年 / 34卷 / 08期

关键词：

Multi-input multi-output (MIMO); Nyquist stability criterion; single-input single-output (SISO); voltage-source converter (VSC); weak grid; INPUT-ADMITTANCE; SYSTEM; OPERATION;

D O I：

10.1109/TPEL.2018.2878930

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The interaction of a grid-connected voltage-source converter with a weak grid is of significant interest. In this paper, the converter together with the grid impedance is modeled as a single-input single-output (SISO) system. Provided that certain assumptions hold, this allows us to apply the standard SISO Nyquist stability criterion for stability analysis and controller design. The derivedmodel is verified against time-domain simulations and experiments. Themethod facilitates the design of the converter control system with adequate stability margins.

引用

页码：8104 / 8117

页数：14

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