Results 1 to 10 of about 1,812,610 (208)

ALTERNATIVE SOURCES OF ENERGY - ALTERNATIVE SOURCES OF POLLUTION? [PDF]

open access: yesRevista Romana de Economie, 2007
In many countries of the world investments are made for obtaining energy efficiency, pursuing to increase the generation of non-polluting fuels due to the fact that energy is vital for any economy.
Marius-Razvan SURUGIU
doaj   +3 more sources

Electronic recorder of deviation from straightness with optical-light guide analyzer [PDF]

open access: yesE3S Web of Conferences, 2020
The article discusses a technical solution aimed at improving the means of alignment measurements, based on measuring the deviation from straightness relative to the reference line set by the laser beam using a recorder, which uses a fiber-optic analyzer
Zaxidov Nematjon   +2 more
doaj   +1 more source

The effect of the surface geometry of a photovoltaic battery on its efficiency [PDF]

open access: yesE3S Web of Conferences, 2020
Discusses the influence of the shape of the geometric surface of a photovoltaic battery (PVB) on its effectiveness. The features of photovoltaic systems based on silicon modules with different geometric shapes are considered.
Shoguchkarov Sanjar   +3 more
doaj   +1 more source

Features of operation of the grid connected photovoltaic power station with a capacity of 10 kW [PDF]

open access: yesE3S Web of Conferences, 2020
Photovoltaic power station (PPS) operating function (without redundancy) with a nominal capacity of 10 kW connected to the low voltage electrical network established by "Zhejiang Chint Electrics Co Ltd" (PRC) under Tashkent conditions is defined ...
Yuldoshev Isroil   +3 more
doaj   +1 more source

Questions of development and use of renewable energy sources for low power enterprises [PDF]

open access: yesE3S Web of Conferences, 2020
Main problems of traditional and renewable energy development in the ecological context are considered in the article. The experience of developed industrial states in solving environmental problems and the work carried out in this direction in our ...
Shuxrat Dungboyev   +2 more
doaj   +1 more source

Backup protection with accelerating strategy based on fault control of modular multilevel converters in medium‐voltage direct current distribution network

open access: yesIET Renewable Power Generation, 2023
The medium‐voltage DC distribution network with multiple DC feeders is more cost‐effective when equipped with switches than DC circuit breakers. Under such conditions, the converters with fault‐handling capacity are blocked to clear the fault, which will
Wenxuan Lv, Tao Zheng, Yi Yang
doaj   +1 more source

A Detection Method for Group Fixed Ratio Electricity Thieves Based on Correlation Analysis of Non-Technical Loss

open access: yesIEEE Access, 2022
Owing to the contagiousness of theft behaviors among customers, collaborative energy theft, such as village fraud, has become particularly common.
Yining Yang   +6 more
doaj   +1 more source

Alternative Energy Sources [PDF]

open access: yesThe American Journal of Applied sciences, 2021
This article discusses the problems of finding new types of fuel that could be called wasteless and inexhaustible. The issue is being discussed the question of what material and by what methods should humanity receive energy in the future.
openaire   +2 more sources

Continuous Line Loss Calculation Method for Distribution Network Considering Collected Data of Different Densities

open access: yesEnergies, 2022
In order to find the causes of statistical line loss abnormalities and propose better loss reduction strategies, it is necessary to improve the accuracy of theoretical line loss calculations.
Yuying Li   +5 more
doaj   +1 more source

Line Loss Interval Algorithm for Distribution Network with DG Based on Linear Optimization under Abnormal or Missing Measurement Data

open access: yesEnergies, 2022
Data collection is more difficult in distribution network than transmission networks since the structure of distribution networks is more complex. As a result, data could be partly abnormal or missing, which cannot completely describe the operation ...
Chen Liang   +5 more
doaj   +1 more source

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