Results 1 to 10 of about 262,039 (330)

DC-Compensated Current Transformer [PDF]

open access: yesSensors, 2016
Instrument current transformers (CTs) measure AC currents. The DC component in the measured current can saturate the transformer and cause gross error.
Pavel Ripka   +2 more
doaj   +6 more sources

FPGA-Based Smart Sensor to Detect Current Transformer Saturation during Inrush Current Measurement [PDF]

open access: yesSensors, 2023
Current transformer saturation affects measurement accuracy and, consequently, protection reliability. One important concern in the case of overcurrent protections is the discrimination between faults and inrush current in power transformers.
G. de J. Martínez-Figueroa   +2 more
doaj   +2 more sources

A Wide-Bandwidth Inexpensive Current Sensor Based on the Signal Fusion of Tunneling Magnetoresistance and a Current Transformer [PDF]

open access: yesSensors
In technology and industrial production, many applications require wide-bandwidth current measurements. In this paper, a signal fusion scheme for a current sensor comprising tunneling magnetoresistance and a current transformer is proposed, achieving a ...
Kun Wang   +6 more
doaj   +2 more sources

Contribution to experimental investigation of fitting the current transformers' calibration curves [PDF]

open access: yesJournal on Processing and Energy in Agriculture, 2020
The paper experimentally investigates the problem of fitting calibration curves of current transformers (CTs). An efficient fitting algorithm enables precise and accurate electronic real-time correction of CT errors and thus effective improvement of ...
Juhász Attila, Vujičić Vladimir
doaj   +1 more source

Method of calculation of 0.4 kV input distribution devices [PDF]

open access: yesE3S Web of Conferences, 2020
The article proposes an authorial algorithm allowing the selection of the input distribution device. The mathematical model of the algorithm is constructed in the Microsoft Excel environment. An example is given.
Bandurin Ivan   +6 more
doaj   +1 more source

A Nonlinear-Model-Based High-Bandwidth Current Sensor Design for Switching Current Measurement of Wide Bandgap Devices

open access: yesSensors, 2023
With the growing adoption of wide bandgap devices in power electronic applications, current sensor design for switching current measurement has become more important.
Xia Du   +5 more
doaj   +1 more source

Harmonic voltage monitoring based on coaxial capacitor and the analysis of influencing factors

open access: yesZhejiang dianli, 2023
Harmonic content is a key indicator of power quality, and the level of harmonic voltage monitoring in high-voltage power grids still cannot fully meet the production needs of electric power enterprises.
HE Wenlin, ZHAN Jiangyang
doaj   +1 more source

Time-Multiplexed Self-Powered Wireless Current Sensor for Power Transmission Lines

open access: yesEnergies, 2021
Current measurement is a key part of the monitoring system for power transmission lines. Compared with the conventional current sensor, the distributed, self-powered and contactless current sensor has great advantages of safety and reliability.
Hao Chen   +5 more
doaj   +1 more source

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