Using Distributed Dynamic Voltage Restorers to Improve the Frequency Stability of Low-Inertia Networked Microgrids

被引：0

作者：

Du, Wei ^{[1
]}

Xie, Jing ^{[1
]}

Schneider, Kevin ^{[1
]}

Tuffner, Francis K. ^{[1
]}

Bhattarai, Bishnu ^{[1
]}

Vu, Thanh Long ^{[1
]}

Wiegand, Greg ^{[2
]}

Dent, Orris L. ^{[2
]}

机构：

[1] Pacific Northwest Natl Lab, Richland, WA 99352 USA

[2] Pacific Volt Co, Seattle, WA USA

来源：

2021 IEEE POWER & ENERGY SOCIETY GENERAL MEETING (PESGM) | 2021年

关键词：

dynamic voltage restorer (DVR); networked microgrids; frequency stability; inertia;

D O I：

10.1109/PESGM46819.2021.9637864

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This paper elucidates the novel concept of using distributed dynamic voltage restorers (DVRs), which are traditionally used to compensate for voltage sags, to improve the frequency stability of low-inertia networked microgrids. During frequency transients, the distributed DVRs rapidly regulate load voltages within an acceptable range, resulting in a fast change of load power consumption and helping improve frequency stability. To enable large-scale network simulation, a phasor-based model of DVRs is developed and validated against real data from a commercially available device. Finally, simulation results of a modified IEEE 123-node test feeder that comprises three microgrids and six DVRs verify the effectiveness of the proposed method.

引用

页数：5

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