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Study on Risk Assessment of the Electric Power Tower and Pole Damage in Power System Under Typhoon Disaster

机译：台风灾害下电力塔架和电力系统杆损的风险评估研究

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For a long time, the risk assessment of the power system pays more attention to the risk of chain failure caused by the internal stability damage, but less on the natural disasters like typhoon. This paper chooses the damage probability of the electric power tower and pole that is easily affected by the typhoon disaster as the probability risk indicator. Through integrating the typhoon information, electric tower and pole information and micro-topography information, this paper explores the association between various factors and the electric power tower and pole damage by making full use of historical data and establishes the Logistic model of the electric power tower and pole damage probability under typhoon disaster. Based on typhoon “Mujigae”, this paper calculates the damage probability and magnitude of the 220kV electric power tower and pole in Zhanjiang, China. The result proves that the risk indicators and calculation methods proposed in this paper are scientific and reasonable.
机译：长期以来，电力系统的风险评估更多地关注内部稳定性破坏引起的连锁故障风险，而对台风等自然灾害的风险评估则较少。本文选择容易受台风灾害影响的电力塔和电线杆的损坏概率作为概率风险指标。通过整合台风信息，电塔杆信息和微地形信息，充分利用历史数据，探索各种因素与电塔杆损坏的关系，建立电塔Logistic模型台风灾害下的极和极破坏概率。基于“ Mujigae”台风，计算了湛江地区220kV电力塔架和电线杆的损坏概率和大小。结果表明，本文提出的风险指标和计算方法是科学合理的。

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