地震灾害模拟及配电网的风险评估

doi:10.19595/j.cnki.1000-6753.tces.191495

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Abstract The power system has been severely damaged in earthquake. The distribution network is more vulnerable to extreme natural disasters than the transmission network. Therefore, it is necessary to analyze the risk of distribution network in earthquake disaster. The ground motion intensity in a distribution network area is calculated by parameter attenuation equation of ground motion. The proportion of damaged equipment is obtained on vulnerability model of distribution network components. Based on Monte Carlo method, stochastic earthquake scenarios are simulated to get the contingency levels of distribution network equipment. Considering the topology and operation of the distribution network, the network centrality of the complex network theory is used to evaluate the damage of the distribution network, and the risk assessment of the distribution network after the random earthquake is carried out to identify the key equipment of the distribution network. Accordingly, the resistance of distribution network to earthquake disasters is improved. Taking the 10kV distribution network in Longmenshan fault zone as an example, the risk is evaluated in a stochastic earthquake simulation, which verifies the feasibility of the proposed method.

Key words： Seismic risk analysis vulnerability model Monte Carlo stochastic simulating net- work centrality

Received: 18 November 2019

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TM732

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	Articles by authors
	Zheng Guoxin
	Lei Xia
	Wang Xiang
	Luo Xiaochun

Cite this article:

Zheng Guoxin,Lei Xia,Wang Xiang等. Earthquake Simulation and Risk Assessment of Distribution Network[J]. Transactions of China Electrotechnical Society, 2020, 35(24): 5218-5226.

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https://dgjsxb.ces-transaction.com/EN/10.19595/j.cnki.1000-6753.tces.191495 OR https://dgjsxb.ces-transaction.com/EN/Y2020/V35/I24/5218

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