基于台风路径预测信息的输电杆塔累积损伤模型研究

doi:10.11930/j.issn.1004-9649.201812026

中国电力 ›› 2019, Vol. 52 ›› Issue (7): 69-77.DOI: 10.11930/j.issn.1004-9649.201812026

基于台风路径预测信息的输电杆塔累积损伤模型研究

汤奕¹, 徐香香¹, 陈彬², 易弢²

1. 东南大学电气工程学院, 江苏南京 210096;
2. 国网福建省电力有限公司电力科学研究院, 福建福州 350023

收稿日期:2018-12-10 修回日期:2019-02-22 出版日期:2019-07-05 发布日期:2019-07-13
作者简介:汤奕(1977-),男,副教授,博士生导师,从事电力系统安全稳定分析与控制、电力信息物理系统研究,E-mail:tangyi@seu.edu.cn;徐香香(1992-),女,硕士研究生,从事电力系统风险分析研究,E-mail:xuxx_su@126.com;陈彬(1982-),男,博士,高级工程师,从事新能源电力系统控制研究,E-mail:cb_fz@163.com;易弢(1985-),男,硕士,工程师,从事新能源电力系统控制研究,E-mail:756750985@qq.com
基金资助:
国家电网公司总部科技项目（电网台风灾害损失预测分析与应对技术研究）。

Research on Cumulative Damage Model of Transmission Tower Based on Typhoon Path Prediction Information

TANG Yi¹, XU Xiangxiang¹, CHEN Bin², YI Tao²

1. School of Electrical Engineering, Southeast University, Nanjing 210096, China;
2. State Grid Fujian Electric Power Research Institute, Fuzhou 350023, China

Received:2018-12-10 Revised:2019-02-22 Online:2019-07-05 Published:2019-07-13
Supported by:
This work is supported by Science and Technology Project of SGCC (Research on Analysis of Typhoon Disaster Loss and Countermeasure Technology of Power System).

摘要/Abstract

摘要： 强台风可能对所经区域的输电杆塔造成物理破坏并引发大面积停电。为协助电力部门准确预估台风天气下杆塔倒塔的风险并提前调配和部署防台物资，建立了一种基于台风路径预测信息的输电杆塔累积损伤模型。首先，根据气象台短期台风预报信息、采用网格方式确定受台风影响的风险杆塔；其次，充分结合短期和短时双时间尺度台风基本信息和杆塔地理位置信息，预测杆塔受台风影响的累积作用时间和风速；第三，构建了单位时间内强台风下杆塔因塑性疲劳发生倒塌的低周疲劳损伤数学模型，并利用改进泊松公式求取不同台风作用时间、风速和地理位置的杆塔倒塔概率；最后，基于直流潮流算法优化计算电网最小负荷损失。算例验证了所提方法的有效性、合理性。

关键词: 杆塔倒塔, 累积损伤, 台风路径, 双时间尺度, 负荷损失

Abstract: Strong typhoons may cause physical damage to the transmission towers in the area where it passes, leading to large-scale blackouts. In order to assist the electric power department to accurately predict the risk of tower collapse and deploy anti-typhoon materials in advance, a cumulative damage model of transmission tower is established based on typhoon path prediction information. Firstly, according to the short-term typhoon forecast information of the meteorological department, the risk tower affected by the typhoon is determined by the method of grid division; Secondly, the basic information of the typhoon from the short-term and short-time dual-time scales and the geographical information of the tower are fully combined to predict the cumulative action time and wind speed of the typhoon. Thirdly, a mathematical model of low-cycle fatigue damage is constructed for towers collapsed due to plastic fatigue under unit time, and the improved Poisson formula is used to obtain the fault probability of towers with different typhoon action times, wind speeds and geographical positions. Finally, the minimum load loss of the power grid is calculated using the DC power flow optimization algorithm. Case study has verified the validity and rationality of the proposed model.

Key words: tower collapse, cumulative damage, typhoon path, dual time scale, load loss

中图分类号:

TM752

汤奕, 徐香香, 陈彬, 易弢. 基于台风路径预测信息的输电杆塔累积损伤模型研究[J]. 中国电力, 2019, 52(7): 69-77.

TANG Yi, XU Xiangxiang, CHEN Bin, YI Tao. Research on Cumulative Damage Model of Transmission Tower Based on Typhoon Path Prediction Information[J]. Electric Power, 2019, 52(7): 69-77.

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基于台风路径预测信息的输电杆塔累积损伤模型研究

Research on Cumulative Damage Model of Transmission Tower Based on Typhoon Path Prediction Information

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基于台风路径预测信息的输电杆塔累积损伤模型研究

Research on Cumulative Damage Model of Transmission Tower Based on Typhoon Path Prediction Information

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