Control for Grid-Connected and Intentional Islanding Operations of Distributed Power Generation

被引：442

作者：

Balaguer, Irvin J. ^{[1
]}

Lei, Qin ^{[1
]}

Yang, Shuitao ^{[2
]}

Supatti, Uthane ^{[1
]}

Peng, Fang Zheng ^{[1
]}

机构：

[1] Michigan State Univ, Dept Elect Engn, E Lansing, MI 48824 USA

[2] Zhejiang Univ, Coll Elect Engn, Hangzhou 310027, Peoples R China

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2011年 / 58卷 / 01期

基金：

美国国家科学基金会;

关键词：

Distributed generation (DG); grid-connected operation; intentional-islanding operation; islanding detection; load shedding; synchronization; SYSTEM; CONVERTERS; INVERTER;

D O I：

10.1109/TIE.2010.2049709

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Intentional islanding describes the condition in which a microgrid or a portion of the power grid, which consists of a load and a distributed generation (DG) system, is isolated from the remainder of the utility system. In this situation, it is important for the microgrid to continue to provide adequate power to the load. Under normal operation, each DG inverter system in the microgrid usually works in constant current control mode in order to provide a preset power to the main grid. When the microgrid is cut off from the main grid, each DG inverter system must detect this islanding situation and must switch to a voltage control mode. In this mode, the microgrid will provide a constant voltage to the local load. This paper describes a control strategy that is used to implement grid-connected and intentional-islanding operations of distributed power generation. This paper proposes an intelligent load-shedding algorithm for intentional islanding and an algorithm of synchronization for grid reconnection.

引用

页码：147 / 157

页数：11

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