Grid Impedance Monitoring System for Distributed Power Generation Electronic Interfaces

被引：118

作者：

Cobreces, Santiago ^{[1
]}

Bueno, Emilio J. ^{[1
]}

Pizarro, Daniel ^{[1
]}

Rodriguez, Francisco J. ^{[1
]}

Huerta, Francisco ^{[1
]}

机构：

[1] Univ Alcala de Henares, Dept Elect, Madrid 28871, Spain

来源：

IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2009年 / 58卷 / 09期

关键词：

Anti-islanding; converters; power system; recursive estimation; system identification; INVERTERS; QUALITY; TIME;

D O I：

10.1109/TIM.2009.2016883

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 proposes a grid impedance monitoring system for distributed power generation electronic interfaces. The system estimates the grid equivalent impedance and voltage source from the voltage measurements performed at the point of common coupling. The estimation algorithm is based on a recursive least-squares algorithm implemented in the complex field. Simultaneously, the system evaluates the quality of the estimation, minimizing its influence on the grid and detecting islanding situations. The proposed system performance has been evaluated under experimental testing.

引用

页码：3112 / 3121

页数：10

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