Results 31 to 40 of about 9,212,348 (200)

Objective determination of optimal power line designs [PDF]

open access: yes, 2010
Includes bibliographical references (leaves 139-143).The thesis investigated the possibility of overhead power line designs being decided by using an objective rather than a subjective method.
Stephen, Robert G
core   +1 more source

Overhead power line design : What restricts a power line?

open access: yes, 2020
This report contains the influencing factors in high voltage overhead power lines and how these factors are controlled and calculated. A program has been produced so that a projector easily can insert the overhead line supports’ and lines’ parameters in ...
Landbris, Maja
core   +2 more sources

A theoretical model of rain–wind–induced in-plane galloping on overhead transmission tower-lines system

open access: yesAdvances in Mechanical Engineering, 2015
Rain–wind–induced galloping phenomenon often occurs on overhead transmission tower-lines system, just as icing galloping and vortex-excited vibration; this kind of instability oscillation can cause power-line breakage or tower failure.
Chao Zhou, Yibing Liu
doaj   +1 more source

Robust design optimization for overhead power transmission line design [PDF]

open access: yesQuy Nhon University Journal of Science
Most practical design methods for overhead power transmission lines primarily rely on empirical formulas. This paper proposes a robust design–based two-stage optimization framework for overhead power transmission line design.
Pham Van Phat   +2 more
doaj   +1 more source

INFLUENCE OF POWER GRID ON THE “RESONANCE HARMONICS” OF OVERHEAD POWER LINE DURING THE SINGLE-PHASE GROUND FAULT [PDF]

open access: yes, 2018
Paper show methodic of determine values of «resonance» frequencies on overhead power lines in single-phase ground fault mode. There are introduction of Additional power line in the mathematical model Consideration of Availability of working feeders ...
L. I. Abdullin   +3 more
core   +1 more source

A 3D Laboratory Test-Platform for Overhead Power Line Inspection

open access: yesInternational Journal of Advanced Robotic Systems, 2016
Using unmanned aerial vehicles (UAVs) for performing automatic inspection of overhead power lines instead of foot patrols is an attractive option, since doing so is safer and have considerable cost savings, among other advantages.
Chang-An Liu   +4 more
doaj   +1 more source

Ensuring the Continuity of Power Supply to the On-Board Auxiliary Devices of the Trolleybus through the Recuperation of Kinetic Energy

open access: yesEnergies, 2021
When a trolleybus travels through insulated sections of the overhead contact line, it experiences momentary power interruptions, which adversely affect the vehicle’s on-board auxiliary subassemblies.
Piotr Hołyszko   +4 more
doaj   +1 more source

Fault section identification method for the UHV GIL-overhead hybrid line

open access: yesThe Journal of Engineering, 2019
GIL-overhead hybrid transmission line is an essential way for UHV waters crossing power transmission over long distance in china. The fault section identification of the UHV GIL-overhead hybrid line is a previous work for the protection selective ...
Botong Li   +3 more
doaj   +1 more source

Security‐constrained active power curtailment considering line temperature and thermal inertia

open access: yesIET Generation, Transmission & Distribution, 2023
A novel method is introduced to determine cost‐optimized active power curtailment (APC) of renewable energy sources (RES) considering weather‐dependent dynamic line rating (DLR).
Roman Bolgaryn   +3 more
doaj   +1 more source

Model of own harmonic conductor oscillations for tasks of monitoring the status of airline power transmission lines

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2020
The article substantiates the relevance of the inspection of overhead power lines by determining the mechanical loads of the conductors. The conductor sways under the action of external loads and variable internal mechanical loads.
D. A. Yaroslavskiy   +4 more
doaj   +1 more source

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