Time Reversal for Partial Discharge Localization on Power Lines with Different Termination Impedances

Date

2021-09-28

Advisors

Journal Title

Journal ISSN

ISSN

Volume Title

Publisher

IEEE

Type

Conference

Peer reviewed

Yes

Abstract

This paper describes a new method for the on-line location of partial discharges (PDs) in power transmission and distribution networks based on Electromagnetic Time Reversal (EMTR) theory and on the Transmission Line Matrix (TLM) method in order to describe the time reversed propagation. In particular, the paper shows the effectiveness of the method in localizing the PD source when the impedances at the terminations of the line are unknown and describes the procedure to be followed in this case. The analysis is performed in simulation, and a model of the PD signal propagation that is able to reproduce the distortion phenomenon that affect the PD signal propagation on power lines and thus the accuracy of the on-line PD location methods is also described.

Description

Keywords

Partial Discharges, cable systems, electromagnetic time reversal, Transmission Line Matrix (TLM) method, high voltage power grid reliability

Citation

Ragusa, A., Sasse, H.G., Duffy, A. (2021) Time Reversal for Partial Discharge Localization on Power Lines with Different Termination Impedances. The 2021 Asia Pacific International Symposium on Electromagnetic Compatibility (APEMC) Bali, Indonesia, 27-30 Sept. 2021.

Rights

Research Institute

Institute of Energy and Sustainable Development (IESD)