Results 1 to 10 of about 7,042 (227)

Registrador universal de alta tensión para los laboratorios de ensayo

open access: yesTecnología en Marcha, 2021
Tradicionalmente los laboratorios de alta tensión (AT) han precisado diferentes instrumentos de medida para medir las tensiones alternas 50/60 Hz (AC), mediante voltímetros de cresta, impulsos de tensión tipo rayo, mediante medidores de tensiones de ...
Abderrahim Khamlichi   +3 more
doaj   +1 more source

Calibration of On-Board Energy Measurement Systems Installed in Locomotives for AC Distorted Current and High Voltage Waveforms and Determination of Its Uncertainty Budget

open access: yesSensors, 2021
Periodic calibrations of Energy Measurement Systems (EMS) installed in locomotives must be carried out to demonstrate the required accuracy established in the EN 50463-2 standard according to European Parliament and Council Directive 2008/57/EC on the ...
Abderrahim Khamlichi   +4 more
doaj   +1 more source

New Synthetic Partial Discharge Calibrator for Qualification of Partial Discharge Analyzers for Insulation Diagnosis of HVDC and HVAC Grids

open access: yesSensors, 2023
A synthetic partial discharge (PD) calibrator has been developed to qualify PD analyzers used for insulation diagnosis of HVAC and HVDC grids including cable systems, AIS, GIS, GIL, power transformers, and HVDC converters.
Abderrahim Khamlichi   +2 more
doaj   +1 more source

Laboratory Calibration of Energy Measurement Systems (EMS) under AC Distorted Waveforms

open access: yesSensors, 2020
Current standard EN 50463-2 indicates the tests and the requirements to be satisfied for an energy measurement system of a traction unit for railway applications.
Daniela Istrate   +7 more
doaj   +1 more source

New Energy Development and Issues in China during the 14th Five-Year Plan

open access: yesZhongguo dianli, 2020
New energy power generation is about to enter the era of grid parity. In the near and medium term, it will still develop rapidly. Its proportion in the total installed capacity of the whole power grid will continue to increase.
Bibin HUANG, Yunzhou ZHANG, Caixia WANG
doaj   +1 more source

D6.11 LCOE Report

open access: yes, 2021
The novel MegaRoller technology represents state-of-the-art solution for unlocking the potential in wave energy. The European Union’s Horizon 2020 research and innovation programme funded MegaRoller project has been an effort to develop the power take-off component for a 1 MW oscillating wave surge wave energy converter and consequently decrease the ...
Nyman, Mikko   +3 more
openaire   +2 more sources

Comparative Techno-Economic Study of Solar Thermal Power Plants with Various Capacities: A Case for the Northern Part of Cameroon

open access: yesEuropean Mechanical Science, 2020
The purpose of this article is to evaluate the commercial use ofdifferent solar thermal power technologies in the northern part of Cameroon.For this, a techno-economic study highlighting the design of each technologyusing various capacities of the ...
Biboum Alain Christian, Ahmet Yılancı
doaj   +1 more source

Exergy, Economic, and Life-Cycle Assessment of ORC System for Waste Heat Recovery in a Natural Gas Internal Combustion Engine

open access: yesResources, 2020
In this article, an organic Rankine cycle (ORC) was integrated into a 2-MW natural gas engine to evaluate the possibility of generating electricity by recovering the engine’s exhaust heat.
Guillermo Valencia Ochoa   +2 more
doaj   +1 more source

The Design and Characterization of a Prototype Wideband Voltage Sensor Based on a Resistive Divider

open access: yesSensors, 2017
The most important advantage of voltage dividers over traditional voltage transformers is that voltage dividers do not have an iron core with non-linear hysteresis characteristics. The voltage dividers have a linear behavior with respect to over-voltages
Fernando Garnacho   +2 more
doaj   +1 more source

Sensitivity analysis for a hybrid off-grid PV/DG/BATT system for the electrification of rural communities

open access: yesDiagnostyka, 2022
One of the pillars for the development of isolated communities is electricity, however the implementation of conventional networks is limited as a result of the difficulties of the terrain. This paper aims to analyze the technical-economic feasibility of
Lata-Carlos Juan   +1 more
doaj   +1 more source

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