输电线路覆冰垭口微地形的特征提取与识别方法

doi:10.11930/j.issn.1004-9649.202204025

中国电力 ›› 2022, Vol. 55 ›› Issue (8): 135-142.DOI: 10.11930/j.issn.1004-9649.202204025

输电线路覆冰垭口微地形的特征提取与识别方法

胡京¹, 邓颖², 蒋兴良², 曾蕴睿²

1. 国网江西省电力有限公司电力科学研究院，江西南昌 330046;
2. 重庆大学输配电装备及系统安全与新技术国家重点实验室，重庆 400044

收稿日期:2022-04-11 修回日期:2022-05-30 发布日期:2022-08-18
作者简介:胡京（1983—），男，博士，高级工程师，从事输电线路运维检修技术管理研究，E-mail：18932472336@163.com;邓颖（1997—），女，博士研究生，通信作者，从事复杂大气环境下输电线路外绝缘及防护研究，E-mail：yingdeng@cqu.edu.cn
基金资助:
国家自然科学基金资助项目（自然环境特高压直流绝缘子长串动态覆冰放电机制及其数值模拟，51637002）；江西省电力有限公司科技项目（江西典型微地形的智能辨识技术研究, 52182020003G）。

Feature Extraction and Identification Method of Ice-covered Saddle Mircotopography for Transmission Lines

HU Jing¹, DENG Ying², JIANG Xingliang², ZENG Yunrui²

1. Electric Power Research Institute of State Grid Jiangxi Electric Power Co., Ltd., Nanchang 330046, China;
2. State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Chongqing 400044, China

Received:2022-04-11 Revised:2022-05-30 Published:2022-08-18
Supported by:
This work is supported by National Natural Science Foundation of China (Dynamic Ice-covered Discharge Mechanism of Long Strings of UHV DC Insulators in Natural Environment and Its Numerical Simulation, No.51637002)，Science and Technology Project of Jiangxi Electric Power Co., Ltd. (Research on Intelligent Identification Technology of Typical Micro-topography in Jiangxi, No.52182020003G).

摘要/Abstract

摘要： 输电线路覆冰是中国电力系统安全稳定运行的严重威胁。针对输电线路覆冰微地形区域分类主观性强的问题，结合数字高程模型（digital elevation model，DEM）和江西省覆冰灾害故障统计数据，对输电线路走廊垭口微地形开展了识别研究，提出了一组垭口微地形的识别指标，对提取样本区域进行了特征提取。在此基础上，提出了一种输电线路走廊垭口地形识别方法，并验证了所提取的垭口地形特征与识别方法的有效性。研究成果可以为输电线路防冰的差异化设计提供参考。

关键词: 输电线路, 覆冰, 微地形, 特征提取, 数字高程模型(DEM)

Abstract: Transmission line icing is a serious threat to the safe and stable operation of China's power system. To address the problem of subjective classification of ice-covered microtopography areas for transmission lines, a research is carried out on using the digital elevation model (DEM) and the icing-caused fault statistics of transmission lines of Jiangxi Province to identify the saddle microtopography for transmission line corridors. A set of indicators are proposed for identifying the saddle microtopography, and used to extract the microtopography features of the sample areas. On this basis, a method is proposed for identifying the saddle topography for transmission line corridors. The validity of the saddle topography features and the proposed identification method has been verified. The research results can provide a reference for differentiated anti-icing design of transmission lines.

Key words: transmission line, ice-coverd, microtopography, feature extraction, digital elevation model (DEM)

胡京, 邓颖, 蒋兴良, 曾蕴睿. 输电线路覆冰垭口微地形的特征提取与识别方法[J]. 中国电力, 2022, 55(8): 135-142.

HU Jing, DENG Ying, JIANG Xingliang, ZENG Yunrui. Feature Extraction and Identification Method of Ice-covered Saddle Mircotopography for Transmission Lines[J]. Electric Power, 2022, 55(8): 135-142.

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输电线路覆冰垭口微地形的特征提取与识别方法

Feature Extraction and Identification Method of Ice-covered Saddle Mircotopography for Transmission Lines

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输电线路覆冰垭口微地形的特征提取与识别方法

Feature Extraction and Identification Method of Ice-covered Saddle Mircotopography for Transmission Lines

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