Oil-immersed power transformer condition monitoring methodologies: A review
L Jin, D Kim, A Abu-Siada, S Kumar - Energies, 2022 - mdpi.com
A power transformer is one of the most critical and expensive assets in electric power
systems. Failure of a power transformer would not only result in a downtime to the entire …
systems. Failure of a power transformer would not only result in a downtime to the entire …
Partial discharge (PD) signal detection and isolation on high voltage equipment using improved complete EEMD method
VC Thuc, HS Lee - Energies, 2022 - mdpi.com
Electricity has a crucial function in contemporary civilization. The power grid must be stable
to ensure the efficiency and dependability of electrical equipment. This implies that the high …
to ensure the efficiency and dependability of electrical equipment. This implies that the high …
Identification of gate turn-off thyristor switching patterns using acoustic emission sensors
Modern seagoing ships are often equipped with converters which utilize semiconductor
power electronics devices like thyristors or power transistors. Most of them are used in …
power electronics devices like thyristors or power transistors. Most of them are used in …
Partial discharge detection and induced surface current analysis using transient earth voltage method for high voltage equipment
A Itose, M Kozako, M Hikita - 2016 International Conference on …, 2016 - ieeexplore.ieee.org
This study deals with advancement of insulation diagnosis technology by partial discharge
(PD) detection with transient earth voltage (TEV) signal in high voltage equipment such as …
(PD) detection with transient earth voltage (TEV) signal in high voltage equipment such as …
A Novel Method for Diagnosing Power Electronics Devices Using Elastic Wave Emission
This work is an introduction of acoustic emission (AE) signals used in order to detect the
malfunction of selected semiconductor elements. The authors proposed the use of internally …
malfunction of selected semiconductor elements. The authors proposed the use of internally …
Partial discharge detection by TEV sensors and signal propagation analysis in transformer model
A Itose, Y Tai, M Kozako… - The 19th International …, 2015 - kyutech.repo.nii.ac.jp
This paper deals with a detailed study on partial discharge (PD) generated in transformers
using transient earth voltage (TEV) detection method. Experiment and numerical analysis …
using transient earth voltage (TEV) detection method. Experiment and numerical analysis …
Noncontacting Electromagnetic-Acoustic Measurement Technique for Partial Discharge Detection and Localization
KD Hong, X Wang, W Wang… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Partial discharge (PD) detection is crucial for maintaining insulation systems of high-voltage
equipment. Enhancing diagnostic credibility and expanding additional system functionalities …
equipment. Enhancing diagnostic credibility and expanding additional system functionalities …
Highly sensitive partial discharge detection by TEV method under severe noise conditions
Y Fujii, H Cho, Y Nakamura - 2017 4th International …, 2017 - ieeexplore.ieee.org
Partial discharge detection is useful for insulation diagnosis of switchgear. Since a partial
discharge can be easily measured by attaching a sensor to a metal casing, we have been …
discharge can be easily measured by attaching a sensor to a metal casing, we have been …
PD Pattern of Various Defects measured by TEV sensor
H Prasetia, U Khayam, A Itose… - … Conference on High …, 2017 - ieeexplore.ieee.org
Partial Discharge (PD) is one of symptom that occur due to defect on the high voltage
insulation system. PD measurement is needed to monitor the condition of equipment and …
insulation system. PD measurement is needed to monitor the condition of equipment and …
Grounding effect on transient earth voltage signal induced by partial discharge in metal box model
H Yoshizumi, T Koga, M Kozako… - 2017 International …, 2017 - ieeexplore.ieee.org
This paper deals with advancement of insulation diagnosis technology for high voltage
equipment by partial discharge (PD) detection using transient earth voltage (TEV) detection …
equipment by partial discharge (PD) detection using transient earth voltage (TEV) detection …