Impedance Modeling and Analysis of Grid-Connected Voltage-Source Converters

被引：907

作者：

Cespedes, Mauricio ^{[1
]}

Sun, Jian ^{[1
]}

机构：

[1] Rensselaer Polytech Inst, Dept Elect Comp & Syst Engn, Troy, NY 12180 USA

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2014年 / 29卷 / 03期

基金：

美国国家科学基金会;

关键词：

Converter stability; grid-connected converters; harmonic resonance; impedance modeling; POWER-GENERATION SYSTEMS;

D O I：

10.1109/TPEL.2013.2262473

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：

This paper presents small-signal impedance modeling of grid-connected three-phase converters for wind and solar system stability analysis. In the proposed approach, a converter is modeled by a positive-sequence and a negative-sequence impedance directly in the phase domain. It is further demonstrated that the two sequence subsystems are decoupled under most conditions and can be studied independently from each other. The proposed models are verified by experimental measurements and their applications are demonstrated in a system testbed.

引用

页码：1254 / 1261

页数：8

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