Zhaoyang Wang

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Publications associées (30)

Electromagnetic Time Reversal Similarity Characteristics and its Application to Locating Faults in Power Networks

Mario Paolone, Farhad Rachidi-Haeri, Zhaoyang Wang, Reza Razzaghi

The existing Electromagnetic Time Reversal (EMTR)-based fault location methods generally leverage the features of the signals simulated in the EMTR reversed-time stage (relative to the direct-time stage wherein a fault occurs and its originated transient s ...

2020

Partial Discharge Localization Using Electromagnetic Time Reversal: A Performance Analysis

Marcos Rubinstein, Hamidreza Karami, Mohammad Azadifar, Zhaoyang Wang, Ali Ghasemi

In this study, first, a comparison on the application of electromagnetic time reversal (EMTR) and time difference of arrival (TDoA) in partial discharge localization in power transformers is presented. A two-dimensional finite-difference time-domain simula ...

2020

Electromagnetic Time Reversal: Theory, Application to Fault Location in Power Networks and Experimental Validation

Zhaoyang Wang

The time-reversal invariance is readily described and universally embodied in most laws of nature, either in a strict or in a soft sense. Based on this underlying physical principle, time-reversal theory has been theoretically and experimentally studied in ...

EPFL2020

Properties of Direct-Time and Reversed-Time Transfer Functions to Locate Disturbances along Power Transmission Lines

Mario Paolone, Zhaoyang Wang, Zhe Chen

The paper discusses specific frequency-domain properties of the electromagnetic time reversal (EMTR) method applied to locate faults and, more in general, disturbances in power networks. Specifically, we investigate the properties of two transfer functions ...

IEEE2019

Effect of Penetrating Conductors on Shielding Effectiveness of Metallic Enclosures

Carlos Alberto Romero Romero, Zhaoyang Wang, Nicolas Mora Parra

2019

Locating Lightning Using Electromagnetic Time Reversal: Application of the Minimum Entropy Criterion

Marcos Rubinstein, Mohammad Azadifar, Amirhossein Mostajabi, Hamidreza Karami, Zhaoyang Wang

2019

Study of the electromagnetic protection of infrastructures with alternative shielding strategies

Carlos Alberto Romero Romero, Zhaoyang Wang, Nicolas Mora Parra

2019

Using Electromagnetic Time Reversal Similarity Metric to Locate Lightning-Originated Flashovers on Overhead Transmission Lines

Mario Paolone, Zhaoyang Wang, Francesco Gerini, Carlo Alberto Nucci

2019

A Full-Scale Experimental Validation of Electromagnetic Time Reversal Applied to Locate Disturbances in Overhead Power Distribution Lines

Mario Paolone, Farhad Rachidi-Haeri, Marcos Rubinstein, Zhaoyang Wang, Reza Razzaghi

Electromagnetic time reversal (EMTR) has emerged as a promising technique to locate disturbances in power grids, thanks to its location accuracy and robustness against parameters uncertainties. Furthermore, in a reflective medium, like the one of a power n ...

2018

Norm Criteria in the Electromagnetic Time Reversal Technique for Fault Location in Transmission Lines

Zhaoyang Wang, Qi Li

2018

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Using Electromagnetic Time Reversal Similarity Metric to Locate Lightning-Originated Flashovers on Overhead Transmission Lines

Mario Paolone, Zhaoyang Wang, Francesco Gerini, Carlo Alberto Nucci

2019

A Full-Scale Experimental Validation of Electromagnetic Time Reversal Applied to Locate Disturbances in Overhead Power Distribution Lines

Mario Paolone, Farhad Rachidi-Haeri, Marcos Rubinstein, Zhaoyang Wang, Reza Razzaghi

2018

Norm Criteria in the Electromagnetic Time Reversal Technique for Fault Location in Transmission Lines

Zhaoyang Wang, Qi Li

2018

Study of the electromagnetic protection of infrastructures with alternative shielding strategies

Carlos Alberto Romero Romero, Zhaoyang Wang, Nicolas Mora Parra

2019