Results 31 to 40 of about 345,287 (205)

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

Understanding Link Dynamics in Wireless Sensor Networks with Dynamically Steerable Directional Antennas [PDF]

open access: yes, 2013
. By radiating the power in the direction of choice, electronicallyswitched directional (ESD) antennas can reduce network contention and avoid packet loss.
C. Noda   +9 more
core   +2 more sources

Overhead Power Line Tension Estimation Method Using Accelerometers

open access: yesEnergies
Overhead power lines are important components of power grids, and the status of transmission line equipment directly affects the safe and reliable operation of power grids.
Sang-Hyun Kim, Kwan-Ho Chun
doaj   +1 more source

Monte Carlo evaluation of the impact of subsequent strokes on backflashover rate [PDF]

open access: yes, 2015
The paper deals with the impact of subsequent strokes on the backflashover rate (BFR) of HV overhead transmission lines (OHLs), assessed by means of an ATP-EMTP Monte Carlo procedure.
Gatta, Fabio Massimo   +3 more
core   +1 more source

The method for ice detection on wires of air-lines

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2017
A new method for ice detection on wires of air-lines, including transmission by wire overhead line sine wave frequency and amplitude stable and fixing the level of the RF signal.
YU. V. Piskovatskiy, D. F. Gubaev
doaj   +1 more source

Criticality analysis for improving maintenance, felling and pruning cycles in power lines [PDF]

open access: yes, 2018
16th IFAC Symposium on Information Control Problems in Manufacturing INCOM 2018 Bergamo, Italy, 11–13 June 2018. Edited by Marco Macchi, László Monostori, Roberto PintoThis paper deals with the process of criticality analysis in overhead power lines ...
Crespo Márquez, Adolfo   +6 more
core  

Distribution of currents and voltages of the "resonant" frequencies along the overhead power lines of 6 - 35 kV level voltageinsingle-phase ground fault mode

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2017
Paper show methodic of determine of place of single-phase ground fault with intermittent arc on the overhead power line. The informative signs of single-phase ground fault place are determine by values of voltage of the «resonance» frequencies of zero ...
A. I. Fedotov   +2 more
doaj   +1 more source

Influence of Geomagnetic Disturbances in the Polar Regions on the Reactive Power Transmissions Mode on the Airline

open access: yesРоссийская Арктика, 2020
Analytical expressions are obtained for determining reactive power at the beginning and at the end of an intersystem overhead line, taking into account the parameters of the magnetization branches of power transformers, which allow one to take into ...
Aleksey A. KUVSHINOV   +2 more
doaj   +1 more source

High Voltage Insulator Surface Evaluation Using Image Processing

open access: yes, 2017
High voltage insulators are widely deployed in power systems to isolate the live- and dead-part of overhead lines as well as to support the power line conductors mechanically.
Bagheri, Mehdi   +2 more
core   +1 more source

DEVELOPMENT OF SENSOR SYSTEM FOR MONITORING AND CONTROL OF QUANTITATIVE FREEZING FOR OVERHEAD LINES POWER

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2017
Currently, the acute problem of timely inspection of overhead power lines. At the same time, one of the main tasks is to monitor freezing to overhead power lines.
D. A. Yaroslavskiy, M. F. Sadykov
doaj   +1 more source

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