Results 1 to 10 of about 3,801 (279)

The Method to Determine the Turns Ratio Correction of the Inductive Current Transformer [PDF]

open access: yesEnergies, 2021
This paper presents the method for evaluation of the turns ratio correction of the inductive current transformer using the magnetization curves determined at the non-load state and in the load conditions.
Ernest Stano, Stano Ernest
exaly   +5 more sources

Analytical Investigation of Primary Waveform Distortion Effect on Magnetic Flux Density in the Magnetic Core of Inductive Current Transformer and Its Transformation Accuracy [PDF]

open access: yesSensors
This paper analyzes how distortion in the primary current waveform affects the magnetic flux density in the magnetic core of an inductive current transformer and its transformation accuracy.
Michal Kaczmarek, Kaczmarek Michal
exaly   +5 more sources

The Reference Wideband Inductive Current Transformer

open access: yesEnergies, 2023
The aim of this paper is to show that the developed inductive current transformer may ensure the required wideband transformation accuracy and it may be applied, as the reference source, in the measuring system for the evaluation of the transformation ...
Michal Kaczmarek   +2 more
doaj   +3 more sources

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   +3 more sources

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   +3 more sources

Evaluation of the Current Shunt Influence on the Determined Wideband Accuracy of Inductive Current Transformers

open access: yesEnergies, 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
doaj   +3 more sources

Development of Inductive Current Transformer 400/5/1 of Class 0.2S for Frequency Range 50 Hz–5 kHz [PDF]

open access: yesSensors
This paper is devoted to the development of a window-type inductive current transformer (iCT) with a rated primary current equal to 400 A and two secondary windings with rated currents of 5 A and 1 A. Its novelty concerns the presentation of this process
Michal Kaczmarek, Blazej Pacholczyk
doaj   +3 more sources

Nonlinearity of Magnetic Core in Evaluation of Current and Phase Errors of Transformation of Higher Harmonics of Distorted Current by Inductive Current Transformers [PDF]

open access: yesIEEE Access, 2020
The novelty of the paper contributes to the increase of the reliability of the methods used for evaluation of the inductive CTs accuracy of transformation of the distorted current.
Michal Kaczmarek, Ernest Stano
doaj   +2 more sources

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   +2 more sources

Comparative Analysis of Additional Measurement Error Introduced by Inductive Current Transformers, Rogowski Coils and Electronic Current Transducer for Harmonics of Distorted Current [PDF]

open access: yesSensors
This paper investigates the accuracy of conventional inductive current transformers (iCTs) and Rogowski coils (RCs) in measuring distorted currents, evaluating compliance with the WB0 (up to the 13th harmonic) and WB1 (up to the 60th harmonic) accuracy ...
Michal Kaczmarek   +2 more
doaj   +2 more sources

Home - About - Disclaimer - Privacy