Partial discharge localization using time reversal: Application to power transformers

H Karami, M Azadifar, A Mostajabi, M Rubinstein… - Sensors, 2020 - mdpi.com
In this work, we present a novel technique to locate partial discharge (PD) sources based on
the concept of time reversal. The localization of the PD sources is of interest for numerous …

On-line partial discharge localization in power cables based on electromagnetic time reversal theory-numerical validation

A Ragusa, HG Sasse, A Duffy - IEEE Transactions on Power …, 2021 - ieeexplore.ieee.org
This paper presents the numerical validation of a new on-line location method of partial
discharge (PD) in cables of Medium Voltage (MV) power networks based on the …

Application to real power networks of a method to locate partial discharges based on electromagnetic time reversal

A Ragusa, HG Sasse, A Duffy… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
The paper presents an experimental validation of a method to locate partial discharges
(PDs) on power distribution and transmission networks. The method is based on …

An effective EMTR-based high-impedance fault location method for transmission lines

J An, C Zhuang, F Rachidi… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article summarizes the electromagnetic time-reversal (EMTR) technique for fault
location, and further numerically validates its effectiveness when the fault impedance is …

Partial discharge localization in power transformers using acoustic time reversal

H Karami, FQ Aviolat, M Azadifar, M Rubinstein… - Electric Power Systems …, 2022 - Elsevier
The localization of partial discharges (PD) is important to monitor the conditioning of high
voltage insulator materials. One of the key components in power grids is the high power …

Time-reversal source reconstruction with space and time kurtoses

XY Feng, Z Chen, ZM Xu, J Li - IEEE Transactions on Antennas …, 2021 - ieeexplore.ieee.org
In our previous study, we introduced the concept of electromagnetic kurtosis and
incorporated it into the electromagnetic time-reversal process for source reconstruction. In …

A time-reversal method for time-harmonic electromagnetic source reconstruction

J Li, J Cai, ZD Chen, X Feng, Z Xu… - IEEE Antennas and …, 2023 - ieeexplore.ieee.org
The time-reversal (TR) method has been proven effective in reconstructing sources due to its
spatiotemporal focusing properties. Much work so far on the topic has been conducted with …

Time-reversal source reconstruction with electromagnetic kurtosis

XY Feng, Z Chen, ZM Xu - IEEE Transactions on Antennas and …, 2021 - ieeexplore.ieee.org
The time-reversal (TR) technique has been developed to solve inverse problems and to
reconstruct sources. However, much work on the topic so far has not considered the …

The effect of the ring mains units for on-line partial discharge location with time reversal in medium voltage networks

A Ragusa, PAAF Wouters, HG Sasse, A Duffy - IEEE Access, 2022 - ieeexplore.ieee.org
The performance of a new on-line partial discharge (PD) location method based on the
Electromagnetic Time Reversal (EMTR) theory and the Transmission Line Matrix (TLM) …

Single-sensor EMI source localization using time reversal: An experimental validation

H Karami, M Azadifar, Z Wang, M Rubinstein, F Rachidi - Electronics, 2021 - mdpi.com
The localization of electromagnetic interference (EMI) sources is of high importance in
electromagnetic compatibility applications. Recently, a novel localization technique based …