Results 71 to 80 of about 82,174 (302)
Analysis of Internal Overvoltages in Transformer Windings during Transients in Electrical Networks
Energies, 2020 Due to the increasing requirements for the reliability of electrical power supply and associated apparatus, it is necessary to provide a detailed analysis of the overvoltage risk of power transformer insulation systems and equipment connected to their ...
Jakub Furgał +2 more
doaj +1 more source
IET Generation, Transmission & Distribution, 2023 The algorithms of the present generation of practical differential relays are based on two methods. The first method is based on the ratio of the harmonic content of the differential current, and the second one is based on the length of the time interval
Ali Sahebi +4 more
doaj +1 more source
, 2005 Numerous proposed and developed superconducting fault current limiters and self-limiting transformers limit successfully fault currents but do not provide uninterrupted supplying of consumers. A design investigated in the work combines the functions of a
Altov +18 more
core +1 more source
A new AC/AC power converter [PDF]
, 2017 The Future Electrical Network will be based on the integration of different renewable energy sources. In this regard, modular bidirectional power converter architectures will get special attention. Galvanic isolation in such power converter architectures
Costabeber, Alessando +3 more
core +1 more source
MODERN MICROPROCESSOR PROTECTION OF POWER TRANSFORMERS
Chronos, 2021 The purpose of the present study was to understand what advantages and disadvantages in the operation of microprocessor devices in the RZA, to analyze the main series of microprocessor protection, their advantages, disadvantages and features, to review microprocessor protection in the labor market.
openaire +1 more source
FEBS Open Bio, EarlyView.This study addressed how a senior research thesis is perceived by undergraduate students. It assessed students' perception of research skills, epistemological beliefs, and career goals in Biochemistry (science) and BDC (science‐business) students. Completing a thesis improved confidence in research skills, resilience, scientific identity, closed gender‐
Celeste Suart +4 more
wiley +1 more source
ANALISIS SETTING RELAY DIFERENSIAL PADA TRAFO TENAGA 60 MVA DI GARDU INDUK CIGERELENG 150 kV / 20 kV [PDF]
, 2016 Penelitian ini bertempat di PT.PLN (PERSERO) Transmisi Jawa Bagian Tengah APP Bandung dengan subjek yang diangkat adalah perhitungan setting relay diferensial pada trafo tenaga 60 MVA di Gardu Induk Cigereleng 150 kV / 20 kV.
Aditama, Iqbal Dinoer
core
DC fault isolation study of bidirectional dual active bridge DC/DC converter for DC transmission grid application [PDF]
, 2015 Fast isolation and detection of DC faults is currently a limiting factor in high power DC transmission grid development. Recent research has shown that the role of DC/DC converters is becoming increasingly important in solving various DC grid challenges ...
Aboushady, Ahmed A. +2 more
core +2 more sources
FEBS Open Bio, EarlyView.This research protocol outlines a workflow for nuclear magnetic resonance (NMR)‐based metabolomics in the agri‐food sector. Using two case studies—strawberry leaves (solid matrix) and wine (liquid matrix)—it details the procedures for sample preparation, data acquisition, and processing.
Andrea Fernández‐Veloso +4 more
wiley +1 more source
Distinctive Features of Faults for Use in Power Transformer Differential Protection [PDF]
Problems of the Regional Energetics, 2017 The aim of the work is to study the change in instantaneous values of the differential current in power transformer differential protection circuits under conditions of magnetizing inrush when the unloaded transformer is energized and under conditions of
Glazyrin V.E., Litvinov I.I.
doaj