Results 11 to 20 of about 565,160 (298)

Calibration of Current Transformers in distorted conditions [PDF]

open access: yesJournal of Physics: Conference Series, 2018
In the context of modern power systems, where there are lots of non-linear loads and generators based on switching power electronics, the accurate measurement of voltage and current harmonics is a key task for the knowledge of the actual state of the ...
Crotti, G.   +6 more
core   +5 more sources

Magnon current generation by dynamical distortion [PDF]

open access: yesPhysical Review B, 2020
The interaction between spin and nanomechanical degrees of freedom attracts interest from the viewpoint of basic science and device applications. We study the magnon current induced by the torsional oscillation of ferromagnetic nanomechanical cantilever.
Junji Fujimoto, Mamoru Matsuo
openaire   +2 more sources

The Effect of the Load Power Factor of the Inductive CT’s Secondary Winding on Its Distorted Current’s Harmonics Transformation Accuracy

open access: yesEnergies, 2022
In this paper, we present an investigation into the influence of the load power factor of secondary winding on the metrological performance of inductive CTs with frequencies from 50 Hz to 5 kHz of the harmonic of a transformed distorted current.
Michal Kaczmarek   +2 more
doaj   +1 more source

Why Should We Test the Wideband Transformation Accuracy of Inductive Current Transformers?

open access: yesEnergies, 2022
Inductive current transformers are characterized by different transformation accuracies for higher harmonics of distorted primary currents. Therefore, it is highly required to perform the tests of their metrological properties to choose the best unit ...
Ernest Stano   +2 more
doaj   +1 more source

Effect of Current Distortion and Unbalanced Loads on Semiconductors Reliability [PDF]

open access: yesIEEE Access, 2021
This article presents a reliability analysis of a 4-wire grid-tied inverter under different loading conditions, considering unbalanced loads and harmonic distortion in the current consumed. The proposed power converter is used as a case study to assess the impact of current disturbances on the semiconductors’ reliability.
Tomàs Lledó-Ponsati   +4 more
openaire   +4 more sources

Evaluation of the Optional Wideband Accuracy of Inductive Current Transformers in Accordance with the Standard IEC 61869-1 Ed.2

open access: yesEnergies, 2023
This paper presents the evaluation of tested inductive CTs’ accuracy for distorted current harmonics in accordance with the optional accuracy class WB1 introduced by the new edition of the standard IEC 61869-1 published in the year 2023.
Ernest Stano   +2 more
doaj   +1 more source

Understanding the Frequency Characteristics of Current Error and Phase Displacement of the Corrected Inductive Current Transformer

open access: yesEnergies, 2022
The paper presents investigations and analysis of the parameters of the magnetic part of the equivalent circuit of the inductive CT in the frequencies range from 50 Hz to 5 kHz.
Ernest Stano   +2 more
doaj   +1 more source

Current-induced distortion of a magnetic domain wall [PDF]

open access: yesEurophysics Letters (EPL), 2004
5 pages, 3 eps ...
Waintal, Xavier, Viret, Michel
openaire   +3 more sources

New Approach to Evaluate the Transformation Accuracy of Inductive CTs for Distorted Current

open access: yesEnergies, 2023
This paper presents a newly developed method to determine the values of current error and phase displacement for the transformation of distorted current harmonics by the inductive current transformers.
Michal Kaczmarek, Ernest Stano
doaj   +1 more source

The Influence of the 3rd Harmonic of the Distorted Primary Current on the Self-Generation of the Inductive Current Transformers

open access: yesIEEE Access, 2022
This paper investigates for transformation of the distorted current the low order higher harmonic self-generation phenomenon of tested inductive current transformers.
Michal Kaczmarek, Ernest Stano
doaj   +1 more source

Home - About - Disclaimer - Privacy