Parameter estimation of electric power transformers using Coyote Optimization Algorithm with experimental verification [PDF]
, 2020 In this work, the Coyote Optimization Algorithm (COA) is implemented for estimating the parameters of single and three-phase power transformers. The estimation process is employed on the basis of the manufacturer's operation reports.
Abaza, Amlak +4 more
core +1 more source
Ecological assessment of noise impact of dry transformer substations on the environment [PDF]
E3S Web of Conferences, 2021 At present, special attention is paid to assessing the negative impact of power facilities on the environment, including the impact of noise generated by power equipment.
Barseghyan Sarkis +2 more
doaj +1 more source
Optimal passive filter design for effective utilization of cables and transformers under non-sinusoidal conditions [PDF]
, 2014 Transformers and cables have overheating and reduced loading capabilities under non-sinusoidal conditions due to the fact that their losses increases with not only rms value but also frequency of the load current.
Aleem, SHEA +3 more
core +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
doaj +1 more source
Analysis of diagnostic methods and functional state monitoring of power oil transformers in electrical substations [PDF]
E3S Web of Conferences, 2019 In this paper, we analyze the methods of diagnosis and control the functional state of power oil transformers in electrical substations. Oil transformers are the most efficient converters of electrical energy, which is reflected in a higher efficiency in
Lankin Anton +2 more
doaj +1 more source
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
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
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
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