Results 11 to 20 of about 153,268 (299)

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

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
doaj   +2 more sources

Amplification of S-1 Spheromak current by an inductive current transformer [PDF]

open access: yes, 1985
We attempt to predict the consequences of adding an inductive current transformer (OH Transformer) to the present S-1 Spheromak experiment. Axisymmetric modeling with only classical dissipation shows an increase of toroidal current and a shrinking and hollowing of the current channel, conserving toroidal flux.
Jardin, S. C., Janos, A., Yamada, M.
openaire   +3 more sources

Use of COMTRADE Fault Current Data to Test Inductive Current Transformers [PDF]

open access: yes2019 II Workshop on Metrology for Industry 4.0 and IoT (MetroInd4.0&IoT), 2019
This paper presents a study on the inductive current transformer behaviour when subjected to distorted actual waveforms. Typical tools adopted to deal with such a condition, as the well-known ratio error, phase error, frequency response, etc. not always provide satisfactory results in all the possible operating condition. In addition, Standards lack in
Mingotti, Alessandro   +3 more
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   +2 more sources

Estimation of the inductive current transformer derating for operation with distorted currents

open access: yesBulletin of the Polish Academy of Sciences Technical Sciences, 2014
Abstract The aim of the paper is to present a new method for estimation of the CT (Current Transformer) rated primary current and / or load of the secondary winding derating levels for transformation of distorted current in relation to the rated values fixed for transformation of sinusoidal current.
M. Kaczmarek
openaire   +2 more sources

Operating Properties of the Inductive Current Transformer and Evaluation of Requirements for Its Compliance with the IEC 61869-1 WB2 Class Extension for Frequency up to 20 kHz

open access: yesEnergies
Nanocrystalline material provides an opportunity to improve the wideband performance of inductive current transformers and enables the possibility of ensuring their transformation accuracy for distorted and sinusoidal current from 50 Hz up to 20 kHz ...
Michal Kaczmarek
doaj   +2 more sources

Are Inductive Current Transformers Performance Really Affected by Actual Distorted Network Conditions? An Experimental Case Study

open access: yesSensors, 2020
The aim of this work is to assess whether actual distorted conditions of the network are really affecting the accuracy of inductive current transformers.
Alessandro Mingotti   +4 more
doaj   +2 more sources

Optimization Design Study of a Full-Range Charged Calibration Device for a Low-Voltage Current Transformer

open access: yesEnergies
According to standards, the harmonic content should be less than 5% at the time of calibration, while the calibration index proposed in this paper stipulates that the primary current amplitude of 1%~120% of the full range of the accuracy level reaches 0 ...
Can Ding   +3 more
doaj   +2 more sources

Design of a Current-Transformer Based Inductive Coupler for Power-Line Communications

open access: yesIEEE Transactions on Power Delivery, 2023
In this paper, the design of a current-transformer based inductive coupler for power-line communications is documented. A worst-case design is presented in a step-by-step fashion and experimentally confirmed by doing verification measurements in the ...
Petrus A. Janse Van Rensburg   +2 more
openaire   +2 more sources

Application of the inductive high current testing transformer for supplying of the measuring circuit with distorted current

open access: yesIET Electric Power Applications, 2019
The increasing number of non‐linear loads and renewable energy sources causes a decrease in the power quality in the power networks. Therefore, tests of current transformers should be performed in similar conditions. This requires generation by a high current testing transformer of distorted currents that rms values are from a few hundred to several ...
Michal Lukasz Kaczmarek, Ernest Stano
openaire   +2 more sources

Home - About - Disclaimer - Privacy