Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Magnetic Field Of A Current Loop

Magnetic Field Of A Current Loop

Consider a circular loop with a radius a, that carries a current I. The magnetic field due to the current at an arbitrary point P along the axis of the loop can be calculated using the Biot-Savart law.

Charging Conductors By Induction

Charging Conductors By Induction

The Earth is a good conductor of electricity, and it is so big that it can be considered an infinite source or sink of charges. It can easily exchange charges with any matter.
Generally, conductors like metals do not allow any excess charge to be present on them. Any excess charge added to metals easily flows away, for example, when a metal is placed on the Earth. This process is called earthing.
However, conductors can be charged by a process called induction. For example, consider charging a...

Magnetic Field Due to Two Straight Wires

Magnetic Field Due to Two Straight Wires

Consider two parallel straight wires carrying a current of 10 A and 20 A in the same direction and separated by a distance of 20 cm. Calculate the magnetic field at a point "P2", midway between the wires. Also, evaluate the magnetic field when the direction of the current is reversed in the second wire.

Magnetic Force On Current-Carrying Wires: Example

Magnetic Force On Current-Carrying Wires: Example

In a magnetic field, moving charges encounter a force. If a wire contains these moving charges, i.e., if the wire is carrying a current, then a force acts on the wire as well. Consider a pair of flexible leads holding a wire that is 40 cm long and 10 g in weight in a horizontal position. The wire is placed in a constant magnetic field of 0.40 T, as shown in Figure 1(a). Determine the magnitude and direction of the current flowing in the wire needed to remove the tension in the supporting leads.

Torque On A Current Loop In A Magnetic Field

Torque On A Current Loop In A Magnetic Field

The most common application of magnetic force on current-carrying wires is in electric motors. These consist of loops of wire, which are placed between the magnets with a magnetic field. When current flows through the loops, the magnetic field applies torque, which causes the shaft to rotate, thus converting electrical energy to mechanical energy.
Consider a rectangular current-carrying loop containing N turns of wire, placed in a uniform magnetic field. The net force on a current-carrying loop...

Magnetic Force Between Two Parallel Currents

Magnetic Force Between Two Parallel Currents

Two long, straight, and parallel current-carrying conductors exert a force of equal magnitude on one another. The direction of the force depends on the current direction in the conductors.
The force exerted by the magnetic field due to the first conductor over a finite length of the second conductor is given as the product of the current in the second conductor and the vector product of the length vector along the current element and the field due to the first conductor. According to the...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Identification of Partial Discharge Sources by Feature Extraction from a Signal Conditioning System.

Sensors (Basel, Switzerland)·2024

Same author

The Practical Application of Bio-Inspired PMA for the Detection of Partial Discharges in High Voltage Equipment.

Sensors (Basel, Switzerland)·2023

Same author

Design and Application of a Metamaterial Superstrate on a Bio-Inspired Antenna for Partial Discharge Detection through Dielectric Windows.

Sensors (Basel, Switzerland)·2019

See all related articles

Search research articles

Related Experiment Video

Updated: May 10, 2025

Method for Recording Broadband High Resolution Emission Spectra of Laboratory Lightning Arcs

Method for Recording Broadband High Resolution Emission Spectra of Laboratory Lightning Arcs

Published on: August 27, 2019

Autonomous Lightning Strike Detection and Counting System Using Rogowski Coil Current Measurement.

Arthur F Andrade^1,2, Giovanny M B Galdino^2,3, Ronimack T Souza²

¹Faculty of Engineering, Languages and Social Sciences at Seridó, Federal University of Rio Grande do Norte (UFRN), Currais Novos 59380000, RN, Brazil.

Sensors (Basel, Switzerland)

|April 26, 2025

Summary

This study introduces an autonomous lightning strike counter for transmission lines. The cost-effective system uses a Rogowski coil to monitor lightning activity, enhancing power grid reliability.

Keywords:

Rogowski coil automation discharge counter lightning lightning current measurement overhead power lines monitoring

More Related Videos

Quantifying the Relative Thickness of Conductive Ferromagnetic Materials Using Detector Coil-Based Pulsed Eddy Current Sensors

Quantifying the Relative Thickness of Conductive Ferromagnetic Materials Using Detector Coil-Based Pulsed Eddy Current Sensors

Published on: January 16, 2020

Author Spotlight: Low-Cost Electroencephalographic Recording System Combined with a Millimeter-Sized Coil to Transcranially Stimulate the Mouse Brain In Vivo

Author Spotlight: Low-Cost Electroencephalographic Recording System Combined with a Millimeter-Sized Coil to Transcranially Stimulate the Mouse Brain In Vivo

Published on: May 26, 2023

Related Experiment Videos

Last Updated: May 10, 2025

Method for Recording Broadband High Resolution Emission Spectra of Laboratory Lightning Arcs

Method for Recording Broadband High Resolution Emission Spectra of Laboratory Lightning Arcs

Published on: August 27, 2019

Quantifying the Relative Thickness of Conductive Ferromagnetic Materials Using Detector Coil-Based Pulsed Eddy Current Sensors

Quantifying the Relative Thickness of Conductive Ferromagnetic Materials Using Detector Coil-Based Pulsed Eddy Current Sensors

Published on: January 16, 2020

Author Spotlight: Low-Cost Electroencephalographic Recording System Combined with a Millimeter-Sized Coil to Transcranially Stimulate the Mouse Brain In Vivo

Author Spotlight: Low-Cost Electroencephalographic Recording System Combined with a Millimeter-Sized Coil to Transcranially Stimulate the Mouse Brain In Vivo

Published on: May 26, 2023

Area of Science:

Electrical Engineering
Power Systems
Environmental Monitoring

Background:

Lightning strikes are a primary cause of power outages on overhead transmission lines, impacting grid reliability.
Accurate monitoring of lightning activity is essential for mitigating disruptions on vulnerable lines.
Existing methods may lack cost-effectiveness or suitability for remote deployment.

Purpose of the Study:

To develop and validate an autonomous system for detecting and classifying lightning strikes on transmission towers.
To provide a practical and cost-effective solution for monitoring lightning impacts on power infrastructure.
To enhance data collection for engineering studies and improve the reliability of electrical systems.

Main Methods:

Utilizing a split-core Rogowski coil for non-invasive current measurement on transmission towers.
Employing an active integrator circuit to reconstruct current waveforms from coil voltage signals.
Implementing a microcontroller-based unit for strike detection, recording, and amplitude classification.

Main Results:

Laboratory tests confirmed the system's accuracy in detecting current pulses characteristic of lightning strikes.
The Rogowski coil and integrator circuit demonstrated effective performance in reconstructing waveforms.
Field tests are ongoing to assess long-term autonomous operational reliability on 345-kV towers.

Conclusions:

The developed autonomous lightning strike counter is a practical and cost-effective solution for remote monitoring.
The system contributes to enhanced data acquisition for lightning-related engineering studies.
Implementation of this system can lead to improved reliability of electrical transmission infrastructure.