Results 31 to 40 of about 157,516 (285)
Adjustment of model parameters to estimate distribution transformers remaining lifespan [PDF]
, 2018 Currently, the electrical system in Argentina is working at its maximum capacity, decreasing the margin between the installed power and demanded consumption, and drastically reducing the service life of transformer substations due to overload (since the ...
Gotay Sardiñas, Jorge +3 more
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New optical differential protection algorithm applied in bus protection
The Journal of Engineering, 2018 In order to improve the speed and reliability of bus protection, people put forward the optical current transformer (OCT) replaced the traditional electric–magnetic current transformer.
Zhu Sitong +4 more
doaj +1 more source
Simple planar Bragg grating devices for photonic Hilbert transform
, 2010 Hilbert transformers are important devices widely used in information processing and signal analysis in the electronic domain. For example, for spectral efficiency improvement, it is used to construct the analytic signal for single sideband (SSB ...
Gates, J.C. +6 more
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IET Energy Systems Integration, 2021 Reliable and dedicated protection of the transformer is the main requirement in the power system due to the supervision of a highly expensive equipment transformer. Non‐linear characteristics of the transformer give mysterious behaviour for the period of
Maulik Raichura +2 more
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Turn-to-turn fault protection technique for synchronous machines without additional voltage transformers [PDF]
, 2017 This paper presents a novel protection technique for the detection of inter-turn faults in synchronous machines. It is based on the calculation of voltage in the stator windings from the usual phases and neutral voltage, typically available in ...
Gyftakis, Konstantinos N. +2 more
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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
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Energies, 2022 This manuscript presents performed laboratory studies and the analysis of the impact of current shunt values used in the differential connection on the wideband metrological performance of inductive current transformers.
Michal Kaczmarek +2 more
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Mutual capacitor and its applications
The Journal of Engineering, 2014 This study presents a new ac circuit element – the mutual capacitor, being a dual of the mutual inductor, which is also a new ac transformer. This element is characteristic of the mutual-capacitance coupling of a multi-capacitance system. A unity-coupled
Chun Li, Jason Li, Jieming Li
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Thermal behaviour analysis of a high voltage inverted‐type current transformer
IET Electric Power Applications, 2022 A high voltage current transformer of the inverted type is a commonly used measurement equipment in power grids. The thermal behaviour of the current transformer has a significant impact on its operating conditions and is directly related to its service ...
Caibo Liao +6 more
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Apparatus including a plurality of spaced transformers for locating short circuits in cables [PDF]
, 1978 A cable fault locator is described for sensing faults such as short circuits in power cables. The apparatus includes a plurality of current transformers strategically located along a cable.
Cason, R. L., Mcstay, J. J.
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