A challenging problem in the protection of power transformers is the fault detection and
diagnosis (FDD). FDD has an essential role in the reliability and safety of modern power …

Power transformers are an indispensable equipment in power transmission and distribution
systems, and failures or hidden defects in power transformers can cause operational and …

Methods to infer the location of partial discharge (PD) in high-power transformers using
acoustic emission (AE) data have been extensively studied. The inner complex structure of …

Partial discharge (PD) detection in the ultra-high frequency (UHF) range is state of the art.
One of the most critical points in this detection method is adopting proper and suitable …

Partial discharge (PD) localization in power transformers by ultra-high frequency (UHF)
technique based on the time difference of arrival equations is state of the art. In this way …

Denoising is a key step in diagnosis and evaluation of partial discharge (PD) signals in
power transformers. In this paper, a new PD signal denoising algorithm is presented, which …

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 …

Partial discharges (PDs) are among the various indicators that are utilized for monitoring of
power transformers. PDs emit electromagnetic waves that can be received by inserting …

Ultra-high-frequency (UHF) sensing technique has been introduced to detect and localize
partial discharge (PD) sources in air-insulated substation (AIS). This paper presents a …

Recently, axial displacement detection of transformer winding has been performed using
synthetic-aperture radar (SAR) imaging, as an online method, in ultra-wideband frequency …