Results 11 to 20 of about 3,564 (235)
Buildings, 2022 The galloping condition of an iced eight-bundle conductor tower line system, under different parameters, is studied by using a finite element model of a multi-span iced eight-bundle conductor tower line system.
Bowen Tian +6 more
doaj +1 more source
Numerical Analysis on the Sub-Span Oscillation of Iced Eight-Bundle Conductors During Galloping
Frontiers in Energy Research, 2022 Under the excitement of wind loads, UHV transmission lines are subject to two types of vibration phenomena, namely, sub-span oscillation and galloping.
Liu Yu +10 more
doaj +1 more source
Energies, 2022 Galloping is a typical wind-induced phenomenon in iced conductors, which can have serious impacts on the safe and stable operation of power systems. The aerodynamic characteristics of an iced conductor are the key factor in the study of galloping, which ...
Shaokai Liao +3 more
doaj +1 more source
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
doaj +1 more source
MODEL OF THERMOMECHANICAL VIBRATIONS OF CURRENT-CARRYING CONDUCTORS
International Journal for Computational Civil and Structural Engineering, 2022 In the operation practice of overhead power transmission lines (OHL), the phenomenon of "galloping" of conductors is well known – vibrations with frequencies of ~ 1 Hz and with amplitudes of the order of the static sag [1, 2].
Alexander Danilin +2 more
doaj +1 more source
Galloping Stability and Wind Tunnel Test of Iced Quad Bundled Conductors considering Wake Effect
Discrete Dynamics in Nature and Society, 2020 A new quad bundle conductor galloping model considering wake effect is proposed to solve the problem of different aerodynamic coefficients of each subconductor of iced quad bundle conductor.
Xiaohui Liu +5 more
doaj +1 more source
Shock and Vibration, 2021 Due to the uncontrollable weather conditions, it is difficult to carry out the controllable prototype test to study fatigue damage of transmission tower and armour clamp and the effect evaluation of antigalloping device under actual transmission line ...
Jiangjun Ruan +5 more
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
An investigation into the aerodynamic characteristics of catenary contact wires in a cross-wind [PDF]
, 2001 An experimental analysis of the aerodynamic characteristics of catenary contact wires is presented. The aerodynamic data obtained were used to calculate the Glauert-Den Harthog criterion for one-dimensional galloping.
Scanlon, T.J., Stickland, M.T.
core +1 more source