Frequency induced risk assessment for a power system accounting uncertainties in operation of protective equipments

被引：8

作者：

Yu, Y. ^{[1
]}

Gan, D. ^{[1
]}

Wu, H. ^{[1
]}

Han, Z. ^{[1
]}

机构：

[1] Zhejiang Univ, Coll Elect Engn, Hangzhou 310003, Zhejiang, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS | 2010年 / 32卷 / 06期

关键词：

Frequency stability; Frequency protection; Load shedding; Monte Carlo simulation; Cascading outage; CASCADING FAILURE; MODEL;

D O I：

10.1016/j.ijepes.2010.01.002

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：

A simple deterministic frequency stability model is developed in this work together with its stochastic counterpart. While the deterministic model captures the fundamental characteristics of short-term frequency dynamics such as abnormal frequency tripping of generators, the stochastic model further maintains the probabilistic characteristics of frequency dynamics, such as stochastic characteristics of frequency relays. The models are particularly suitable for studying system cascading failures introduced by frequency distortions. Our simulation results reveal that the relationship between blackout power loss and frequency has the characteristics of power law. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：688 / 696

页数：9

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