Transmission line fault-cause identification method for large-scale new energy grid connection scenarios

The accurate fault-cause identification for overhead transmission lines supports the operation and maintenance personnel in formulating targeted maintenance strategies and shortening the time of inspecting faulty lines. With the goal of achieving “carbon peak and carbon neutrality”, the schemes for...

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Main Authors: Hanqing Liang, Xiaonan Han, Haoyang Yu, Fan Li, Zhongjian Liu, Kexin Zhang
Format: Article
Language:English
Published: KeAi Communications Co., Ltd. 2022-08-01
Series:Global Energy Interconnection
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2096511722000767
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author Hanqing Liang
Xiaonan Han
Haoyang Yu
Fan Li
Zhongjian Liu
Kexin Zhang
author_facet Hanqing Liang
Xiaonan Han
Haoyang Yu
Fan Li
Zhongjian Liu
Kexin Zhang
author_sort Hanqing Liang
collection DOAJ
description The accurate fault-cause identification for overhead transmission lines supports the operation and maintenance personnel in formulating targeted maintenance strategies and shortening the time of inspecting faulty lines. With the goal of achieving “carbon peak and carbon neutrality”, the schemes for clean energy generation have rapidly developed. Moreover, new energy-consuming equipment has been widely connected to the power grid, and the operating characteristics of the power system have significantly changed. Consequently, these have impacted traditional fault identification methods. Based on the time-frequency characteristics of the fault waveform, new energy-related parameters, and deep learning model, this study proposes a fault identification method suitable for scenarios where a high proportion of new energy is connected to the power grid. Ten parameters related to the causes of transmission line fault and new energy connection scenarios are selected as model characteristic parameters. Further, a fault identification model based on adaptive deep belief networks was constructed, and its effect was verified by field data.
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spelling doaj.art-f8b822767b3d435eb3f302059bec70282022-12-22T03:46:41ZengKeAi Communications Co., Ltd.Global Energy Interconnection2096-51172022-08-0154362374Transmission line fault-cause identification method for large-scale new energy grid connection scenariosHanqing Liang0Xiaonan Han1Haoyang Yu2Fan Li3Zhongjian Liu4Kexin Zhang5State Power Economic and Technological Research Institute Co, Ltd, Beijing 102206, PR ChinaState Power Economic and Technological Research Institute Co, Ltd, Beijing 102206, PR ChinaState Power Economic and Technological Research Institute Co, Ltd, Beijing 102206, PR ChinaState Power Economic and Technological Research Institute Co, Ltd, Beijing 102206, PR ChinaState Power Economic and Technological Research Institute Co, Ltd, Beijing 102206, PR ChinaState Power Economic and Technological Research Institute Co, Ltd, Beijing 102206, PR ChinaThe accurate fault-cause identification for overhead transmission lines supports the operation and maintenance personnel in formulating targeted maintenance strategies and shortening the time of inspecting faulty lines. With the goal of achieving “carbon peak and carbon neutrality”, the schemes for clean energy generation have rapidly developed. Moreover, new energy-consuming equipment has been widely connected to the power grid, and the operating characteristics of the power system have significantly changed. Consequently, these have impacted traditional fault identification methods. Based on the time-frequency characteristics of the fault waveform, new energy-related parameters, and deep learning model, this study proposes a fault identification method suitable for scenarios where a high proportion of new energy is connected to the power grid. Ten parameters related to the causes of transmission line fault and new energy connection scenarios are selected as model characteristic parameters. Further, a fault identification model based on adaptive deep belief networks was constructed, and its effect was verified by field data.http://www.sciencedirect.com/science/article/pii/S2096511722000767Fault-cause identificationTransmission linesFault waveformLarge-scale new energyFault cause
spellingShingle Hanqing Liang
Xiaonan Han
Haoyang Yu
Fan Li
Zhongjian Liu
Kexin Zhang
Transmission line fault-cause identification method for large-scale new energy grid connection scenarios
Global Energy Interconnection
Fault-cause identification
Transmission lines
Fault waveform
Large-scale new energy
Fault cause
title Transmission line fault-cause identification method for large-scale new energy grid connection scenarios
title_full Transmission line fault-cause identification method for large-scale new energy grid connection scenarios
title_fullStr Transmission line fault-cause identification method for large-scale new energy grid connection scenarios
title_full_unstemmed Transmission line fault-cause identification method for large-scale new energy grid connection scenarios
title_short Transmission line fault-cause identification method for large-scale new energy grid connection scenarios
title_sort transmission line fault cause identification method for large scale new energy grid connection scenarios
topic Fault-cause identification
Transmission lines
Fault waveform
Large-scale new energy
Fault cause
url http://www.sciencedirect.com/science/article/pii/S2096511722000767
work_keys_str_mv AT hanqingliang transmissionlinefaultcauseidentificationmethodforlargescalenewenergygridconnectionscenarios
AT xiaonanhan transmissionlinefaultcauseidentificationmethodforlargescalenewenergygridconnectionscenarios
AT haoyangyu transmissionlinefaultcauseidentificationmethodforlargescalenewenergygridconnectionscenarios
AT fanli transmissionlinefaultcauseidentificationmethodforlargescalenewenergygridconnectionscenarios
AT zhongjianliu transmissionlinefaultcauseidentificationmethodforlargescalenewenergygridconnectionscenarios
AT kexinzhang transmissionlinefaultcauseidentificationmethodforlargescalenewenergygridconnectionscenarios