Results 51 to 60 of about 191,382 (211)

Efficiency analysis of PV power plants shaded by MV overhead lines

open access: yes, 2016
This paper deals with the occurrence of hot spot phenomena in photovoltaic (PV) systems under partial shading caused by objects on some parts of the modules.
A. Dolara, G. Lăzăroiu, E. Ogliari
semanticscholar   +1 more source

Research on dynamic capacity expansion system of overhead distribution lines based on wireless sensor

open access: yesDiance yu yibiao
In the context of the construction of novel power systems, the thermal stability limit capacity of overhead distribution lines, especially the transmission capacity of interconnected lines in N-1 mode, has become a bottleneck that restricts the flexible ...
ZHANG Shusen   +5 more
doaj   +1 more source

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

Distortion of location pulses in high-frequency paths of overhead power lines

open access: yesИзвестия высших учебных заведений: Проблемы энергетики, 2019
The work is devoted to the features of propagation of electromagnetic signals (20–1000 kHz) along multi-wire overhead transmission lines. For monitoring the status of overhead power lines, a location method can be used. For connection to power lines, the
V. A. Kasimov
doaj   +1 more source

Study of the frequency response of the mutual coupling between overhead lines [PDF]

open access: yesVestnik MGTU, 2016
The paper investigates the frequency response of the mutual coupling between multi-wire overhead lines with length comparable to the wavelengths of the highest power frequency harmonics.
Selivanov V. N.   +3 more
doaj   +1 more source

Calculation and Analysis of Specific Losses of Active Power in Overhead Power Lines due to Corona in View of Climatic Data

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика
. It is a very challenging task to correctly use weather data to calculate the active power loss due to corona in overhead power lines. One of the significant reasons for this was the problem of accuracy of determining weather conditions and the use of ...
D. A. Sekatski, N. A. Papkova
doaj   +1 more source

Justification of Ice Melting Power on 10 kV Overhead Power Lines

open access: yesAdvances in Electrical and Electronic Engineering, 2019
The fuzzy multicriteria model of the ice melting system on radial 10 kV overhead power lines was developed. Three criteria were taken into account: the minimum of reduced annual costs for ice melting system, the minimum of amount of electric energy not ...
Oleksandr Savchenko   +2 more
doaj   +1 more source

COMPOSITE SUPPORTS OF OVERHEAD POWER LINES

open access: yesΛΌГOΣ МИСТЕЦТВО НАУКОВОЇ ДУМКИ, 2020
The article considers the feasibility of using composite supports during the replacement of overhead power lines, analyzes the relevance of these technologies. The advantages of composite overhead power line towers for construction, modernization and restoration work over traditional wooden and metal towers are substantiated.
openaire   +1 more source

Proximity to overhead power lines and childhood leukaemia: an international pooled analysis [PDF]

open access: yesBritish Journal of Cancer, 2018
Although studies have consistently found an association between childhood leukaemia risk and magnetic fields, the associations between childhood leukaemia and distance to overhead power lines have been inconsistent. We pooled data from multiple studies to assess the association with distance and evaluate whether it is due to magnetic fields or other ...
Amoon A   +25 more
openaire   +10 more sources

Characteristics of Heat Resistant Aluminum Alloy Composite Core Conductor Used in overhead Power Transmission Lines

open access: yesMaterials, 2020
The heat resistant aluminum alloy wire composite material core conductor (ACCC/HW) which was used in overhead transmission lines is developed and studied in this work.
K. Qiao   +5 more
semanticscholar   +1 more source

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