Spatial Galloping Behavior of Iced Conductors under Multimodal Coupling [PDF]
SensorsIn this study, the coupled ordinary differential equations for the galloping of the first two modes in iced bundled conductors, including in-plane, out-of-plane, and torsional directions, are derived. Furthermore, through numerical analysis, the critical
Fujiang Cui +3 more
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Deep Learning-Based Instance Segmentation of Galloping High-Speed Railway Overhead Contact System Conductors in Video Images [PDF]
SensorsThe conductors of high-speed railway OCSs (Overhead Contact Systems) are susceptible to conductor galloping due to the impact of natural elements such as strong winds, rain, and snow, resulting in conductor fatigue damage and significantly compromising ...
Xiaotong Yao +7 more
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Suppression of Railway Catenary Galloping Based on Structural Parameters’ Optimization [PDF]
SensorsRailway catenary galloping, induced by aerodynamic instability, poses a significant threat by disrupting the electric current connection through sliding contact with the contact wire.
Yuhui Liu +3 more
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Research on Video Monitoring Technology for Galloping of OCS Additional Conductors of High-Speed Railway in Strong Wind Zone [PDF]
SensorsThe strong wind environment causes the additional conductor of the overhead contact system (OCS) of the Lanzhou–Xinjiang high-speed railway to gallop, significantly impacting the safe operation of the train.
Wentao Zhang +6 more
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Study on icing and its trip laws of transmission lines in Shanxi Power Grid [PDF]
E3S Web of Conferences, 2021 Overhead transmission lines are important carriers of electric energy transmission. Their icing, galloping and shedding in winter and spring seriously threatened the safe operation of Shanxi power grid.
Zhao Bin +3 more
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Conductor Galloping Distribution Map of Liaoning Province Developed with Specific Return Period
Zhongguo dianli, 2022 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.
Yongsheng LI +4 more
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Establishment and Solution Strategy of Galloping Equation of Iced Conductors
Zhongguo dianli, 2021 The galloping of iced overhead conductors is one of the key factors for tripping fault of transmission lines, and threatens the security and stability of power system.
Hui LIU, Zengtai MA, Jikeng LIN
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Zhongguo dianli, 2022 The galloping of iced conductors seriously threatens the safety and stability of power systems, so it has become a focus for research to accurately calculate the transmission line tripping probability caused by the galloping of iced conductors.
Hui LIU +5 more
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Numerical Simulation of Galloping Characteristics of Multi-Span Iced Eight-Bundle Conductors
Frontiers in Energy Research, 2022 In this article, the numerical model of the multi-span iced eight-bundle conductor is established using the nonlinear finite element method, the galloping of the line under different parameters is simulated, and the tension in the galloping process is ...
Ding Shunli +8 more
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Research Progress of Galloping of Overhead Iced Transmission Lines
南方能源建设, 2023 [Introduction] The galloping of transmission lines will lead to trip, worn hardware, broken insulator string, damaged tower-arm and other accidents. In serious cases, collapsed tower accidents may occur.
Guangyun MIN, Xin ZHAO, Xiaohui LIU
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