Development of a simulation model for assessing the technical condition of transformers exploited in hydroelectric stations [PDF]
E3S Web of Conferences, 2023 Supplying consumers with continuous electricity is one of the urgent problems of today. The main part of electricity is produced by hydroelectric stations.
Yusupov Dilmurod +6 more
doaj +1 more source
Optical sensors for power transformer monitoring: A review
High Voltage, 2021 Power transformers play a vital role in power transmission systems from the energy source to the consumption center. In situ diagnostics of the performance of power transformers provides a variety of benefits to ensure reliable electricity transmission ...
Guoming Ma +6 more
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Prediction of remaining life of power transformers based on left truncated and right censored lifetime data [PDF]
, 2008 Prediction of the remaining life of high-voltage power transformers is an important issue for energy companies because of the need for planning maintenance and capital expenditures.
Hong, Yili +4 more
core +7 more sources
Energies, 2019 This article presents a description of four independent case studies concerning situations when power transformers were directed to internal inspection. This inspection was the result of a specific case of a routine diagnostic procedure that was carried ...
Tomasz Piotrowski +2 more
doaj +1 more source
Effect of GIC Neutral Blocking Devices (NBDs) on Power Network Ferroresonance in Malaysia
IEEE Access, 2022 Geomagnetic disturbance (GMD) arises during space weather and solar activity can result in geomagnetically induced current (GIC) flow in the grounded power transformers in the power network.
Zmnako Mohammed Khurshid +3 more
doaj +1 more source
Fault diagnosis of power transformers using graph convolutional network
CSEE Journal of Power and Energy Systems, 2020 Existing methods for transformer fault diagnosis either train a classifier to fit the relationship between dissolved gas and fault type or find some similar cases with unknown samples by calculating the similarity metrics.
Wenlong Liao +3 more
semanticscholar +1 more source
ANALYSIS OF OPTIMUM OPERATING MODES OF POWER TRANSFORMERS UNDER OPERATING CONDITIONS
Electrical engineering & Electromechanics, 2016 Purpose. The study of parallel operation optimal modes of transformer equipment for a variety of operating conditions: same or different types of transformers, with or without reactive power flows. Methodology.
I. V. Khomenko +2 more
doaj +1 more source
The Need for Experimental and Numerical Analyses of Thermal Ageing in Power Transformers
Energies, 2022 Most power transformers are oil-immersed transformers for which its insulation system consists of oil and cellulosic solid. The insulation liquid impregnates the solid-covering air spaces, which improves the efficiency of the insulation system.
Inmaculada Fernández
doaj +1 more source
Electrical engineering & Electromechanics, 2016 Introduction. An important problem in power transformers resource prognosis is the formation of moisture dynamics trends of transformer insulation. Purpose.
V.V. Vasilevskij
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Development of a simulation model for assessing the technical condition of oil power transformers by measuring vibroacoustic parameters [PDF]
E3S Web of ConferencesIn the electric power industry, oil-type power transformers are considered the main device that ensures reliable transmission of electric power, and their technical capabilities are analyzed.
Yusupov D.T. +4 more
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