Performance Analysis of UFLS Schemes of Small Isolated Power Systems

被引：17
|
作者：
Sigrist, Lukas [1 ]
Egido, Ignacio [1 ]
Rouco, Luis [1 ]
机构：
[1] Univ Pontificia Comillas, Sch Engn ICAI, Madrid 28015, Spain
来源：
IEEE TRANSACTIONS ON POWER SYSTEMS | 2012年 / 27卷 / 03期
关键词：
Frequency stability; load shedding; Monte Carlo methods;
D O I：
10.1109/TPWRS.2011.2182066
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 a method for analysis of the performance of underfrequency load-shedding (UFLS) schemes. UFLS schemes play an important role in protecting the system integrity. The proposed method makes use of a Monte Carlo (MC) approach to evaluate the impact of step size variations and non-responding turbine-governor systems on the performance of UFLS schemes. The approach is applied to two isolated Spanish power systems of different size. Step size variations and non-responding turbine-governor systems are modeled by different probability density functions and their impact on the UFLS schemes of the two power systems is analyzed and compared.
引用
收藏
页码：1673 / 1680
页数：8
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