辽宁省特定重现期舞动区域分布图绘制

doi:10.11930/j.issn.1004-9649.202011010

中国电力 ›› 2022, Vol. 55 ›› Issue (8): 129-134.DOI: 10.11930/j.issn.1004-9649.202011010

辽宁省特定重现期舞动区域分布图绘制

李永胜¹, 杨加伦², 郑维刚³, 刘彬², 高正旭⁴

1. 中国石油天然气管道通信电力工程有限公司，河北廊坊 065000;
2. 中国电力科学研究院有限公司，北京 100053;
3. 国网辽宁省电力有限公司电力科学研究院，辽宁沈阳 110006;
4. 武汉区域气候中心，湖北武汉 430074

收稿日期:2020-11-03 修回日期:2021-12-08 发布日期:2022-08-18
作者简介:李永胜（1978—），男，工程师，从事输变电设备运维检修及石油长输管道场站供电可靠性研究，E-mail：tx_lys@cnpc.com.cn;杨加伦（1981—），男，通信作者，博士，高级工程师（教授级），从事架空输电线路防灾减灾及输电线路覆冰、舞动研究，E-mail：yangjialun@epri.sgcc.com.cn
基金资助:
国家电网有限公司科技项目（特高压直流输电线路覆冰舞动智能监测及安全防护技术研究，SGAHDK00 SPJS1900063）。

Conductor Galloping Distribution Map of Liaoning Province Developed with Specific Return Period

LI Yongsheng¹, YANG Jialun², ZHENG Weigang³, LIU Bin², GAO Zhengxu⁴

1. China Petroleum Pipeline Telecom & Electricity Engineering Co., Ltd., Langfang 065000, China;
2. China Electric Power Research Institute, Beijing 100053, China;
3. Electric Power Research Institute of State Grid Liaoning Electric Power Co., Ltd., Shenyang 110006, China;
4. Wuhan Regional Climate Center, Wuhan 430074, China

Received:2020-11-03 Revised:2021-12-08 Published:2022-08-18
Supported by:
This work is supported by Science and Technology Project of SGCC (Research on Intelligent Monitoring and Safety Protection Technology for Galloping of Icing UHVDC Transmission Lines, No.SGAHDK00SPJS1900063)

摘要/Abstract

摘要： 电网舞动区域分布图对架空输电线路的防舞设计和改造工作具有重要的指导意义，如何科学合理地绘制电网舞动区域分布图成为亟须解决的问题。基于辽宁62个气象台站1999—2020年冬季历史气象资料，利用广义极值分布模型计算了各气象台站30年、50年和100年一遇舞动极值日数，制定了电网舞动分级原则，利用克里格插值方法得到了气象台站周边地区特定重现期舞动极值日数。最终根据舞动分级原则绘制了辽宁30年、50年和100年一遇电网舞动区域分布图，分别适用于110~220 kV、330~750 kV和特高压交直流线路的防舞动工作。绘制的特定重现期电网舞动区域分布图与辽宁地区历史舞动记录基本吻合，有助于提升电网抵御覆冰舞动灾害的能力。

关键词: 舞动, 舞动区域分布图, 重现期, 架空输电线路, 气象阈值区间

Abstract: The galloping distribution map plays a key role for anti-galloping design of overhead transmission lines, it is thus urgent to scientifically develop a regional galloping distribution map dedicated for the power grid. Based on the historical meteorological data of 62 meteorological stations in Liaoning Province for the winter of 1999-2020, the number of extremum galloping days with the return period of 30a, 50a and 100a is achieved respectively using the generalized extreme value distribution model. The principles for grading conductor galloping are proposed, and the extremum galloping days with a specific return period in the areas around the meteorological stations are obtained with the Krieger interpolation method. Finally, according to the galloping grading principles, the distribution maps of Liaoning Province with the return period of 30a, 50a and 100a are developed respectively, which are suitable for 110-220 kV, 330-750 kV, and UHV AC and DC lines. The developed galloping distribution map with a specific return period is basically consistent with the historical galloping record in Liaoning Province, which is of great significance to improve the ability and level of the power grid to resist the galloping disaster.

Key words: conductor galloping, galloping distribution map, return period, overhead transmission lines, threshold interval of meteorological elements

李永胜, 杨加伦, 郑维刚, 刘彬, 高正旭. 辽宁省特定重现期舞动区域分布图绘制[J]. 中国电力, 2022, 55(8): 129-134.

LI Yongsheng, YANG Jialun, ZHENG Weigang, LIU Bin, GAO Zhengxu. Conductor Galloping Distribution Map of Liaoning Province Developed with Specific Return Period[J]. Electric Power, 2022, 55(8): 129-134.

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辽宁省特定重现期舞动区域分布图绘制

Conductor Galloping Distribution Map of Liaoning Province Developed with Specific Return Period

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辽宁省特定重现期舞动区域分布图绘制

Conductor Galloping Distribution Map of Liaoning Province Developed with Specific Return Period

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