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Cascading Failure Model of Power Grids Considering Frequency Response Characteristics and Hidden Failures

Zhou Xiaoxin

Open publisher page 8 citations

Abstract

In bulk power systems, cascading failures initiated by normal events often lead to blackouts. For the purpose of researching how the failures spread in power grids, estimating the risk and the loss of cascading failures and finding key lines, a cascading failure model is established from the aspect of the power system analysis. The hidden failures and power system frequency response characteristics are considered in this model and it can be used to help designers and operators of power grids to get the critical value of loading rate in relation to risk of cascading failures,key lines and risk indices of some operating state. Finally, the model is tested on IEEE RTS96 system and the results are in accordance with that attained using PSASP and the preceding conclusions.

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What this paper is about

In bulk power systems, cascading failures initiated by normal events often lead to blackouts. For the purpose of researching how the failures spread in power grids, estimating the risk and the loss of cascading failures and finding key lines, a cascading failure model is established from the aspect of the power system analysis. The hidden failures and power system frequency response characteristics are considered in this model and it can be used to help designers and operators of power grids to get the critical value of loading rate in relation to risk of cascading failures,key lines and risk indices of some operating state. Finally, the model is tested on IEEE RTS96 system and the results are in accordance with that attained using PSASP and the preceding conclusions.

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OpenAlex reports 8 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

In bulk power systems, cascading failures initiated by normal events often lead to blackouts. For the purpose of researching how the failures spread in power grids, estimating the risk and the loss of cascading failures and finding key lines, a cascading failure model is established from the aspect of the power system analysis. The hidden failures and power system frequency response characteristics are considered in this model and it can be used to help designers and operators of power grids to get the critical value of loading rate in relation to risk of cascading failures,key lines and risk indices of some operating state. Finally, the model is tested on IEEE RTS96 system and the results are in accordance with that attained using PSASP and the preceding conclusions.

Key concepts: Cascading failure, Reliability engineering, Electric power system, Key (lock), Power grid, Power (physics), Computer science, Electric power transmission

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