Showing 1-25 of 429 resultsfor "Index Terms":Rogowski coil
"Index Terms":Rogowski coil
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A research about a new Rogowski coil model based on the control principle
2009 International Conference on Sustainable Power Generation and Supply
Year: 2009 | Conference Paper |
Cited by: Papers (1)
The Steady current is different from pulse currents in frequency and magnitude. The interferences in the work environment of the currents transformer is greater than the lab. It is important to understand the Rogowski coil's character of measuring the 50 Hz currents and the measure error. This paper presents a model of Rogowski coil based on the control theory. Research based on the model about th...Show More
Busbar Current Measurement in Induction Heating Furnaces Using a Pick-Up Coil
Peter Tant;Dietrich Hectors;Koen Van Reusel;Geert Deconinck;Johan Driesen
2007 IEEE Instrumentation & Measurement Technology Conference IMTC 2007
Year: 2007 | Conference Paper |
Induction heating installations often use busbar systems to connect the inductor coil, which encloses the workpiece, with the remotely positioned generator. The busbar carries a high current, at a high frequency and a high temperature, which makes current measurement complicated. In this paper, several measurement methods are compared, and their usefulness for this particular application is discus...Show More
Onsite Calibration of a Current Transformer Using a Rogowski Coil
This paper describes a reference current-measuring system for the onsite calibration of high-voltage current transformers. The reference current-measuring system consists of a Rogowski coil, a current shunt, two digitizing voltmeters, and a computer to control the voltmeters. The method of generation of the high current and the uncertainty of the calibration are discussed. The results of a calibra...Show More
Investigating the Impact of Coil Turns in Flexible Rogowski Coil Sensor for Partial Discharge Detection
Jew-Xun Kuan;Chang-Yii Chai;Kui-Fern Chin;Afians Stephen;Hou-Pin Yoong;Muhammad Nur Afnan;Pungut Ibrahim
2024 IEEE Sustainable Power and Energy Conference (iSPEC)
Year: 2024 | Conference Paper |
Partial discharge (PD) is a prevalent problem in power cables that must be detected early to avert power outages and ensure system reliability. Although numerous Rogowski coil (RC) designs, none of them can accommodate all cable sizes. Thus, a belt-type RC called flexible RC was developed by using Thermoplastic Polyurethane (TPU) for enhanced flexibility. The purpose of this research is to investi...Show More
A high-sensitivity design method for Rogowski coils on stacked PCB
2024 6th International Conference on Energy, Power and Grid (ICEPG)
Year: 2024 | Conference Paper |
Rogowski coils made of printed circuit boards (PCB) are hard coils, with the advantages of uniform wire distribution, good parameter consistency, and small size compared with traditional Rogowski coils. Restricted by the PCB thickness fabrication process, the Rogowski coil fabricated by a single PCB board has low sensitivity due to its small thickness, and the output voltage is still very small wh...Show More
The Rogowski Coil Principles and Applications: A Review
Mohammad Hamed Samimi;Arash Mahari;Mohammad Ali Farahnakian;Hossein Mohseni
The Rogowski coil is an old device for current measurement. It has been modified and improved over a century and is still being studied for new applications. The Rogowski coil has various advantages over conventional magnetic current transformers (CTs). Not only can it be used instead of CT, but also it has various utilizations in other fields. This paper provides a brief review on different aspec...Show More
Inductive sensors for stroke current and field measurements
2017 18th International Conference on Computational Problems of Electrical Engineering (CPEE)
Year: 2017 | Conference Paper |
Cited by: Papers (4)
The article presents the parameters and measurement capabilities of three induction sensors. Two sensors are inductive coils differing in winding configurations and dimensions. The third sensor is Rogowski coil. The results are verified against reference Montena B-dot SGM2G sensor and Pearson current monitor. The results of 8/20us and 4/16us standard shock impulse measurements of up to 10 kA will ...Show More
Measurement of the Current in 2G HTS Coil With Rogowski Coil in Cryogenic Environment
Shuqian Huang;Wei Wang;Yong Lei;Xianyong Xiao;Peng Wang;Qun Zhou;Xueqing Wang;Yunfei Gao
This paper presents a Rogowski coil that can be used to measure the current in second-generation (2G) high-temperature superconducting (HTS) coils in a cryogenic environments. We describe the key materials involved in building the coil and its structure and then report on experiments that were carried out to assess its potential. To ensure the accuracy of current measurements in cryogenic temperat...Show More
High-Performance Low-Cost Rogowski Transducers and Accompanying Circuitry
Rogowski transducers have become an increasingly popular method of measuring current within prototyping applications and power electronics equipment due to their significant advantages compared to an equivalent current transformer. This paper presents a simple and practical construction technique of high-performance low-cost Rogowski transducers and accompanying circuitry. Experimental tests were ...Show More
Identification of parameters in a Rogowski coil used for the measurement of partial discharges
2007 IEEE Instrumentation & Measurement Technology Conference IMTC 2007
Year: 2007 | Conference Paper |
Cited by: Papers (21)
The Rogowski coil is a simple and inexpensive device that can be adapted to measure high frequency currents such as those created by partial discharges in dielectrics. It has been demonstrated in previous works that the Rogowski coil can be self-integrating when used at high frequencies and can be tuned to measure partial discharges without the need of cumbersome electronic devices. The aim of thi...Show More
Measurement of lightning currents at TOKYO SKYTREE® and observation of electromagnetic radiation caused by strikes to the tower
Toru Miki;Takatoshi Shindo;Akira Asakawa;Hideki Motoyama;Masaru Ishii;Yusuke Suzuhigashi;Kazuya Fukuda;Masaaki Chihara
2012 International Conference on Lightning Protection (ICLP)
Year: 2012 | Conference Paper |
Cited by: Papers (11)
TOKYO SKYTREE® has recently been constructed in the eastern area of central Tokyo, located in the Kanto Plain, and is the tallest free-standing broadcasting tower in the world (634m). When a tall structure is located on a plain, it is expected that lightning will often strike the structure when thunderclouds approach. The authors plan to observe the currents of lightning striking TOKYO SKYTREE and...Show More
Influencing Factors and Error Analysis of Pulse Current Measurement With Air-Core Rogowski Coil
Rogowski coils for fast pulse current measurement need sparse winding. However, sparse winding might make the coil distribution uneven and result in measurement error as the measured conductor is placed eccentrically or obliquely or if there is nearby current external to the coil. In this article, the induced electromotive force and the resulting measurement error are determined for nonuniform tur...Show More
Characterization Study on an Air-Core Rogowski Coil Based Current Transformer
2024 IEEE 7th International Electrical and Energy Conference (CIEEC)
Year: 2024 | Conference Paper |
Advanced current transformer (CT) technologies have been motivated with the development of smart grids. Compared to traditional magnetic-core based CTs, air-core Rogowski Coil (RC) based low power current transformers (LPCTs) feature advantages of being lighter, more portable, and higher measurement accuracy in harmonic frequency range. In this paper, the characterization study of an air-core RC b...Show More
Optimization of A Self-integrating PCB Rogowski Coil for Discharge Plasma Current Detection
2023 10th International Forum on Electrical Engineering and Automation (IFEEA)
Year: 2023 | Conference Paper |
In this study, a self-integrating Rogowski current sensor based on a printed circuit board (PCB) was proposed for the characteristics of high change rate and relatively small amplitude of discharge plasma current driven by nanosecond pulses. According to the requirements of measurements and the sensor size, the geometric parameters and winding parameters of the current sensor are determined. The e...Show More
On-chip analog PI controller for calibration of Rogowski coils
Simon Paulus;Jean-Baptiste Kammerer;Joris Pascal;Calogero Bona;Luc Hebrard
2015 27th International Conference on Microelectronics (ICM)
Year: 2015 | Conference Paper |
This paper presents an on-chip analog Proportional Integral controller for continuous calibration of contactless Rogowski coil current transducers. Experimental results show that the proposed system ensures a sensor sensitivity deviation lower than ±0.1% whatever the position of the coil around the primary conductor in which the current flows. In addition, it has the ability to ensure an absolute ...Show More
Design of Weak Current Sensor Based on Rogowski Coil
2024 43rd Chinese Control Conference (CCC)
Year: 2024 | Conference Paper |
In order to expand the application scenarios of the Rogowski coil and extend its limitations in weak signal measurements, a comprehensive design approach for the Rogowski coil is integrated. This paper begins with an analysis of the basic structure and measurement principles of the Rogowski coil. Derivations are made to understand how various parameters impact the performance of the Rogowski coil,...Show More
Planar Rogowski Coil Current Transducer Used for Three-phase Plate-form Busbars
2007 IEEE Instrumentation & Measurement Technology Conference IMTC 2007
Year: 2007 | Conference Paper |
Cited by: Papers (12)
For measuring current in three-phase plate-form busbars, this paper proposed an indirect method that used planar Rogowski coil as the current sensing part. Based on the electromagnetic induction law, Biot-Savart law and the numerical integration arithmetic, the vector potential of the busbar was calculated and the Electromotive force of the planar coil for the single phase and three-phase busbar c...Show More
Inductance Compensation for the Quench Detection of the KSTAR CS Coil
Yong Chu;Hirofumi Yonekawa;Yeong-ok Kim;In-Sik Woo;Kwang Pyo Kim;Seungje Lee
Voltage-based QD is the primary way to guarantee that magnets can be protected against overheating because of its fastest response. However, central solenoid (CS) and poloidal field (PF) coils are operated in pulse currents, so resultant inductive voltages could be hundred times higher than quench detection voltage thresholds. For this reason, some inductive voltage compensation techniques have be...Show More
Comprehensive Protection of Furnace Transformers on Magnetically Sensitive Elements
2021 International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM)
Year: 2021 | Conference Paper |
Cited by: Papers (3)
A comprehensive protection of furnace transformers on magnetically sensitive elements is proposed, consisting of differential protection and protection against damages to individual phase conductors from low voltage side. In differential protection, a reed switch is installed on the lower side near the conductors of each phase. Its control winding is connected to the current transformer from the h...Show More
Design of Current Measurement Circuit Using PCB Rogowski Coils for Resonant Converters
2024 21st International Conference on Mechatronics - Mechatronika (ME)
Year: 2024 | Conference Paper |
Measuring current in a resonant tank of the resonant converters requires fast response and low interference for resonant circuits. For this purpose, a current measurement circuit with PCB based Rogowski coil was designed. The individual circuit parts and characteristics are described. The circuit test results on an LLC resonant converter and double pulse test are provided as well.Show More
Influence of Axial Inclination of the Primary Conductor on Mutual Inductance of a Precise Rogowski Coil
In order to use a Rogowski coil for high-accuracy measurement of ac current (up to 20 A at power supply frequency, with an aimed uncertainty of 100 ppm), all influencing quantities and their contributions should be recognized and analyzed. The same theoretical basis can be applied if the use of such a transducer is planned for much higher currents and/or frequencies. Therefore, this paper gives th...Show More
Mutual inductance between primary wire and circular Rogowski coil varies with the position of primary conductor, the deviation of mutual inductance referred to center of circle causes the measurement error. Usually, the mutual inductance of Rogowski coil can be calculated by the summation of each turn of coil, however the spatial distribution characteristics of mutual inductance deviation has not ...Show More
This document describes and provides guidance for the use and application of Rogowski coils (RCs) (air-core current sensors) for protective relaying in electric power systems. The selection and application of RCs for the more common protection schemes are also addressed.Show More
This document describes and provides guidance for the use and application of Rogowski coils (RCs) (air-core current sensors) for protective relaying in electric power systems. The selection and application of RCs for the more common protection schemes are also addressed.Show More
Current sensors for improved capacitor bank protection
11th IET International Conference on Developments in Power Systems Protection (DPSP 2012)
Year: 2012 | Conference Paper |
The new generation of current sensors has performance characteristics that can improve design and operation of modern power systems. This paper presents novel solutions for protection of capacitor banks using Rogowski coils as currents sensors.Show More
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