Research Progress of Galloping of Overhead Iced Transmission Lines [PDF]
[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, Xiaohui LIU, Xin ZHAO
core +1 more source
Outdoor Insulation and Gas Insulated Switchgears [PDF]
This book focuses on theoretical and practical developments in the performance of high-voltage transmission line against atmospheric pollution and icing.
core +1 more source
Wind Tunnel Tests on Aerodynamic Characteristics of Ice-Coated 4-Bundled Conductors [PDF]
Wind tunnel tests were carried out to obtain the static aerodynamic characteristics of crescent iced 4-bundled conductors with different ice thicknesses, initial ice accretion angles, bundle spaces, and wind attack angles.
Li Xin-min +4 more
core +2 more sources
EXTENSIVE ANALYSES ON LARGE AMPLITUDE GUSTY-WIND-INDUCED VIBRATIONS OF OVERHEAD TRANSMISSION LINE SYSTEMS [PDF]
埼玉大学博士(学術)v, 92 p.Large amplitude wind-induced vibrations of ice-accreted/unaccreted conductors in overhead transmission lines are frequently observed in the field.
Pham, Viet Hung +1 more
core +1 more source
Equivalent static wind loads on snow-accreted overhead wires [PDF]
The effects of structural and aerodynamic non-linearity on dynamic wind loads on overhead wires have been investigated. According to the Japanese design standards for transmission structures, wind loads on overhead wires are determined using equivalent ...
Macdonald, John H G +4 more
core +2 more sources
Identification and characterization of galloping of Tsuruga test line based on multi-channel modal analysis of field data [PDF]
In spite of several signal processing and system identification techniques, discussion on field-observed galloping of overhead transmission lines is still based on primitive form of field data such as time series, Lissajous diagrams and power spectra ...
18439 +3 more
core +1 more source
Ice shedding from cables and conductors : a cracking model of atmospheric ice = Délestage de glace des câbles et des conducteurs : un modèle de rupture fragile de la glace atmosphérique [PDF]
Le givrage atmosphérique est à la source de sérieux problèmes d'origine électrique et mécanique sur les réseaux de transport et de distribution de l'énergie électrique.
Kermani Koosheh, Majid
core +1 more source
Equation of motion of split conductor of anchor section at icing in wind flow [PDF]
The relevance of the examined problem is connected with the necessity to develop measures to combat conductor galloping and the design of power transmission lines (ETL).
Amangeldy Bekbayev +4 more
core +1 more source
Tree High Impedance Fault Modelling [PDF]
Europe will be subject in the coming years to major changes in the energy sector, according to the plan called “REPowerEu” the goal is to reduce greenhouse gas emissions by 55% by 2030 and achieve climate neutrality by 2050.
Sassetto Mercuzio
core
The corona onset voltage gradient (COG) of conductors is a key parameter in the design of overhead transmission lines. The commonly used semi-empirical calculation formula proposed by Peek (1910s) at present can roughly estimate the COG of single ...
Shilong Huang +6 more
semanticscholar +1 more source

