A comprehensive review of signal processing and machine learning technologies for UHF PD detection and diagnosis (I): Preprocessing and localization approaches
J Long, X Wang, W Zhou, J Zhang, D Dai, G Zhu - IEEE Access, 2021 - ieeexplore.ieee.org
Partial discharge (PD) detection and diagnosis based on the ultra-high frequency (UHF)
signals is one of the most widely adopted methods to evaluate the internal insulation status …
signals is one of the most widely adopted methods to evaluate the internal insulation status …
Partial Discharge Localization through k-NN and SVM
PM Sekatane, P Bokoro - Energies, 2023 - mdpi.com
Power transformers are essential for the distribution and transmission of electricity, but they
are prone to degradation due to faults early on. Partial Discharge (PD) is the most significant …
are prone to degradation due to faults early on. Partial Discharge (PD) is the most significant …
Fuzzy algorithms for diagnosis of furnace transformer insulation condition
Implementation of the smart transformer concept is critical for the deployment of IIoT-based
smart grids. Top manufacturers of power electrics develop and adopt online monitoring …
smart grids. Top manufacturers of power electrics develop and adopt online monitoring …
A RSSI-AOA-based UHF partial discharge localization method using MUSIC algorithm
Q Zheng, L Luo, H Song, G Sheng… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
To monitor the insulation deterioration of power equipment and realize prompt fault warning
systems in air-insulated substations, in this study, we propose a multiple signal classification …
systems in air-insulated substations, in this study, we propose a multiple signal classification …
Partial discharge localization using electromagnetic time reversal: A performance analysis
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 …
and time difference of arrival (TDoA) in partial discharge localization in power transformers …
An acoustic localization sensor based on MEMS microphone array for partial discharge
J Yan, C Chen, Z Wu, X Ding, L Lou - Sensors, 2023 - mdpi.com
Partial discharge (PD) localization is important for monitoring and maintaining high-voltage
equipment, which can help to prevent accidents. In this work, an acoustic localization sensor …
equipment, which can help to prevent accidents. In this work, an acoustic localization sensor …
Performance analysis of acoustic sensors based time reversal technique for partial discharge localization in power transformers
This paper presents partial discharge (PD) localization in power transformers using the
acoustic time reversal (ATR) method. The ATR method comprises three steps (a) …
acoustic time reversal (ATR) method. The ATR method comprises three steps (a) …
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 …
reconstruct sources. However, much work on the topic so far has not considered the …
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 …
incorporated it into the electromagnetic time-reversal process for source reconstruction. In …
Partial discharge localization in power transformers using acoustic time reversal
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 …
voltage insulator materials. One of the key components in power grids is the high power …