Multi-stage underfrequency load shedding for islanded microgrid with equivalent inertia constant analysis

被引：61

作者：

Gu, Wei ^{[1
,2
]}

Liu, Wei ^{[1
,2
]}

Shen, Chen ^{[1
]}

Wu, Zhi ^{[1
]}

机构：

[1] Southeast Univ, Sch Elect Engn, Nanjing, Jiangsu, Peoples R China

[2] Jiangsu Key Lab Smart Grid Technol & Equipment, Hangzhou, Zhejiang, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS | 2013年 / 46卷

基金：

国家高技术研究发展计划(863计划); 美国国家科学基金会;

关键词：

Equivalent inertia constant; Frequency control; Islanded microgrid; Multi-stage; Underfrequency load shedding; DISTRIBUTION NETWORK; OPERATION; SYSTEM;

D O I：

10.1016/j.ijepes.2012.10.003

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

080906 [电磁信息功能材料与结构]; 082806 [农业信息与电气工程];

摘要：

This letter addresses a multi-stage underfrequency load shedding (UFLS) approach to restore the frequency for islanded microgrid. Depending on the magnitude estimation of power deficiency, the multi-stage UFLS approach for islanded microgrid is put forward. The proposed approach takes the load stages into consideration, which can achieve frequency restoration mainly by adjustable loads shedding and ensure uninterruptible power supply of the most important loads. Based on the established microgrid, the method to obtain the equivalent inertia constant of islanded microgrid is simulated and demonstrated. And time domain simulation results show that the proposed UFLS approach can restore the frequency stability of islanded microgrid effectively considering the multiple stages of loads. (c) 2012 Elsevier Ltd. All rights reserved.

引用

页码：36 / 39

页数：4

共 8 条

[1]

A hybrid frequency/power based method for industrial load shedding [J].