NDLI: Evaluation of cascading failure in power system based on the operational reliability theory

Content Provider	IEEE Xplore Digital Library
Author	Xin Zou Lin Cheng Yuanzhang Sun
Copyright Year	2010
Description	Author affiliation: State Key Lab of Control and Simulation of Power Systems and Generation Equipments, Department of Electrical Engineering, Tsinghua University, Beijing, China (Xin Zou; Lin Cheng; Yuanzhang Sun)
Abstract	According to the characteristics of the cascading failures in power grid, a lot of assessment methods based on the probability theory have been proposed in recent years. However, most of them ignore the influence of the changing operating conditions on the power system planning and operation. This paper assesses the risk of the cascading failure in the power system based on the operational reliability theory which considering the variation of operating states and environment of the power system. The operational reliability of the power system is calculated based on Markov Process which describes the transient probability of states. The key conception of this theory is that the failure rate and the probability of components are changing along with the life of the equipment, the operating states and the environment conditions. A new evaluation procedure is brought up to calculate the operational reliability indices which can provide the specific information of the cascading failure. The evaluating results of the test system confirm that this approach is applicable to analyze the cascading failures in real power system.
Starting Page	184
Ending Page	189
File Size	545140
Page Count	6
File Format	PDF
ISBN	9781424457205
e-ISBN	9781424457212
DOI	10.1109/PMAPS.2010.5528996
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-14
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power system faults Power system protection Power system reliability Reliability theory Power system planning Power system transients Power grids Markov processes Probability System testing operational reliability index cascading failure operational reliability transient probability
Content Type	Text
Resource Type	Article

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