[1]王津宇,李 哲,刘善峰,等.基于风险系数的输电线路覆冰舞动预警方法[J].高压电器,2019,55(09):194-199.[doi:10.13296/j.1001-1609.hva.2019.09.026 ]
 WANG Jinyu,LI Zhe,LIU Shanfeng,et al.Early Warning Method of Iced Transmission Line Galloping Based on Risk Coefficient[J].High Voltage Apparatus,2019,55(09):194-199.[doi:10.13296/j.1001-1609.hva.2019.09.026 ]
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基于风险系数的输电线路覆冰舞动预警方法()
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《高压电器》[ISSN:1001-1609/CN:61-11271/TM]

卷:
第55卷
期数:
2019年09期
页码:
194-199
栏目:
研究与分析
出版日期:
2019-09-30

文章信息/Info

Title:
Early Warning Method of Iced Transmission Line Galloping Based on Risk Coefficient
作者:
王津宇1 李 哲1 刘善峰1 卢 明1 苑司坤2
(1. 国网河南省电力公司电力科学研究院, 郑州 450052; 2. 河南恩湃高科集团有限公司 , 郑州 450052)
Author(s):
WANG Jinyu1 LI Zhe1 LIU Shanfeng1 LU Ming1 YUAN Sikun2
(1. Electric Power Research Institute of State Grid Henan Electric Power Company , Zhengzhou 450052, China; 2. Henan EPRI Hitech Group Co., Ltd., Zhengzhou 450052, China)
关键词:
输电线路 舞动 风险系数 气象 预警
Keywords:
transmission line galloping risk coefficient meteorology early warning
DOI:
10.13296/j.1001-1609.hva.2019.09.026
摘要:
近年来输电线路舞动事故频发,严重威胁着电网的安全运行。为了达到提前预警、及 早防范的目的,降低输电线路舞动对电网安全运行的影响,提出了基于风险系数的输电线路覆 冰舞动预警方法。文中通过关联历史舞动样本和气象数据,分析了影响舞动的气象条件,在此 基础上提出涵盖风速、舞动持续时间等参量的风险系数以表征输电线路舞动风险,根据实际生 产需求划分出不同的输电线路舞动风险等级并建立覆冰舞动预警模型。采用河南电网历史气象 资料进行了验证,证明了模型的有效性。
Abstract:
In recent years, accidents caused by the transmission line galloping have occurred frequently, which seriously threatens the safe operation of power grid. In order to realize the early warning and prevention of transmission line galloping, which could reduce the influence of transmission line galloping on the safe operation of power grid, an early warning method based on risk coefficient is proposed. The meteorological conditions which influence galloping are analyzed by associating historical galloping samples with meteorological data. On this basis, a risk coefficient covering wind speed and time of galloping is proposed to characterize galloping risk of transmission lines. According to the actual production demand, different risk levels of transmission line galloping are classified. Then an early warning model of iced transmission line galloping is established. The effectiveness of the model is demonstrated by using historical meteorological data of Henan power grid.

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备注/Memo

备注/Memo:
收稿日期:2019-06-07; 修回日期:2019-08-09 基金项目:国家电网有限公司科技项目(52170216000A);中国气象局气候变化专项 (CCSF201720)。 Project Supported by Science and Technology Project of State Grid Corporation of China(52170216000A),Climate Change Program of China Meteorological Administration(CCSF201720).王津宇(1994—),女,研究生,主要研究方向为电网气象预警。
更新日期/Last Update: 2019-09-10