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

Traveling Waves: Lossless Lines

Traveling Waves: Lossless Lines

The provided content explores the behavior of traveling waves on single-phase lossless transmission lines. It begins with a single-phase two-wire lossless transmission line of length Δx, characterized by a loop inductance LH/m and a line-to-line capacitance C F/m. These parameters result in a series inductance LΔx and a shunt capacitance CΔx.

Bewley Lattice Diagram

Bewley Lattice Diagram

The Bewley lattice diagram, developed by L. V. Bewley, effectively organizes the reflections occurring during transmission-line transients. It visually represents how voltage waves propagate and reflect within a transmission line, making it easier to understand the complex interactions that occur.

Interference: Path Lengths

Interference: Path Lengths

Consider two sources of sound, that may or may not be in phase, emitting waves at a single frequency, and consider the frequencies to be the same.
Two special sources may be considered when they are in phase. This can be easily achieved by feeding the two sources from the same source. An example would be synchronizing the two speakers by feeding them with the same source, such as the sound waves produced by a tuning fork. This setup ensures that the two sources have the same frequency and are...

Standing Electromagnetic Waves

Standing Electromagnetic Waves

Electromagnetic waves can be reflected; the surface of a conductor or a dielectric can act as a reflector. As electric and magnetic fields obey the superposition principle, so do electromagnetic waves. The superposition of an incident wave and a reflected electromagnetic wave produces a standing wave analogous to the standing waves created on a stretched string.
Suppose a sheet of a perfect conductor is placed in the yz-plane, and a linearly polarized electromagnetic wave traveling in the...

Standing Waves in a Cavity

Standing Waves in a Cavity

A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:

Aliasing

Aliasing

Accurate signal sampling and reconstruction are crucial in various signal-processing applications. A time-domain signal's spectrum can be revealed using its Fourier transform. When this signal is sampled at a specific frequency, it results in multiple scaled replicas of the original spectrum in the frequency domain. The spacing of these replicas is determined by the sampling frequency.
If the sampling frequency is below the Nyquist rate, these replicas overlap, preventing the original...

You might also read

Related Articles

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

Sort by

Same author

An evidence theory based multiple model fusion method for fault diagnosis of distribution line.

Scientific reports·2025

Same author

Improvement of Skin Barrier Dysfunction by Phenolic-containing Extracts of Lycium barbarum via Nrf2/HO-1 Regulation.

Photochemistry and photobiology·2021

Same author

Impact of polyphenols extracted from Tricholoma matsutake on UVB-induced photoaging in mouse skin.

Journal of cosmetic dermatology·2021

Same author

Evolution of an X-linked primate-specific micro RNA cluster.

Molecular biology and evolution·2009

Same author

Characterization and catalytic performance of porous carbon prepared using in situ-formed aluminophosphate framework as template.

Journal of colloid and interface science·2009

Same author

Molecular aggregation behavior of perylene-bridged bis(beta-cyclodextrin) and its electronic interactions upon selective binding with aromatic guests.

The journal of physical chemistry. B·2009

Search research articles

Related Experiment Video

Updated: Jun 12, 2025

Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements

Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements

Published on: June 25, 2021

Traveling wave network location method based on adaptive waveform similarity.

Wanglong Wan¹, Zheng Qin¹, Minggao Deng²

¹Hunan University, Changsha, Hunan, 410082, China.

|September 27, 2024

Summary

This study introduces a novel traveling wave fault location method for high-voltage transmission networks. The adaptive waveform similarity approach accurately identifies fault locations by matching simulated and real traveling wave signals.

Keywords:

Adaptive waveform Fault location Power transmission network Traveling wave Uniqueness

More Related Videos

Functional Near-Infrared Spectroscopy Hyperscanning Study in Psychological Counseling

Functional Near-Infrared Spectroscopy Hyperscanning Study in Psychological Counseling

Published on: January 17, 2025

Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles

Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles

Published on: March 13, 2017

Related Experiment Videos

Last Updated: Jun 12, 2025

Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements

Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements

Published on: June 25, 2021

Functional Near-Infrared Spectroscopy Hyperscanning Study in Psychological Counseling

Functional Near-Infrared Spectroscopy Hyperscanning Study in Psychological Counseling

Published on: January 17, 2025

Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles

Microfluidic Platform with Multiplexed Electronic Detection for Spatial Tracking of Particles

Published on: March 13, 2017

Area of Science:

Electrical Engineering
Power Systems

Background:

High-voltage transmission technology is crucial for managing energy distribution.
Existing single-ended fault location methods struggle with complex networks and identifying the second traveling wave head.

Purpose of the Study:

To develop an accurate traveling wave network fault location method for complex transmission scenarios.
To address the challenge of identifying the source of the second traveling wave head.

Main Methods:

Analyzed traveling wave propagation and derived time-domain waveform expressions.
Enhanced the Breadth-First Search (BFS) algorithm to map all network paths to measurement points.
Employed an optimization algorithm to maximize similarity between adaptive and real waveforms for fault localization.

Main Results:

The proposed method accurately locates faults under various conditions.
Achieved precise identification of fault locations by maximizing waveform similarity.
Verified through PSCAD simulations.

Conclusions:

The adaptive waveform similarity method offers accurate fault location in complex high-voltage transmission networks.
This technique enhances the reliability of power transmission systems.