Towards online ageing detection in transformer oil: A review

U Elele, A Nekahi, A Arshad, I Fofana - Sensors, 2022 - mdpi.com
Transformers play an essential role in power networks, ensuring that generated power gets
to consumers at the safest voltage level. However, they are prone to insulation failure from …

Furfural analysis on aging state assessment of oil-immersed transformers: a review

D Feng, G Chen, X Yan, X Fu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Furfural analysis is widely used in the aging state assessment of oil-immersed transformers
due to its close relationship with the degradation of insulation paper. Herein, we present a …

Capacitive–inductive magnetic plug sensor with high adaptability for online debris monitoring

H Shi, C Bai, Y Xie, W Li, H Zhang, Y Liu… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
A capacitive–inductive magnetic plug sensor for online condition monitoring is proposed in
this article, which can achieve particle counting, debris measurement, and wear rate …

Deep learning-based transformer moisture diagnostics using long short-term memory networks

A Vatsa, AS Hati, V Bolshev, A Vinogradov… - Energies, 2023 - mdpi.com
Power transformers play a crucial role in maintaining the stability and reliability of energy
systems. Accurate moisture assessment of transformer oil-paper insulation is critical for …

Analysis of low-cost inkjet-printed Optical platforms covered by Molecularly Imprinted Polymers to detect furfural in water

N Cennamo, F Arcadio, A Minardo… - IEEE Sensors …, 2023 - ieeexplore.ieee.org
This work proposes an analysis relative to an optical-chemical sensor used to detect furanic
compounds in aqueous solutions. The optical platform consists of a flexible substrate …

Effects of temperature gradient induced aging and moisture distribution on dielectric response measurement for transformer insulation

J Liu, Q Wang, X Fan, Y Zhang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Internal temperature distribution of an oil-immersed transformer is not uniform, resulting in
an axial moisture gradient. Thus, the internal insulating paper ages unevenly with the …

Marine-Hydraulic-Oil-Particle Contaminant Identification Study Based on OpenCV

C Wang, C Yang, H Zhang, S Wang, Z Yang… - Journal of Marine …, 2022 - mdpi.com
Particulate pollutants mixed in hydraulic oil will lead to the failure of the marine hydraulic
system. Nowadays, the current identification methods of particulate pollutants in oil make it …

Subsystem Measurement-Based Condition Assessment for Power Transformers via Joint Inference of Data and Knowledge

J Tian, H Song, G Sheng, X Jiang - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Based on various measurements, the condition assessment of power transformers ensures
transformer reliability for achieving a stable power supply and improves economic benefits …

Image Enhancement Under Transformer Oil Based on Multi-channel Feature Fusion

H Qiang, Y Zhong, Y Feng, S Si… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Clear images captured under transformer oil are crucial data sources for internal fault
diagnosis of oil-immersed transformer. However, images captured under transformer oil …

Study and development of a technique for measuring concentration and mass flow rate for saline solutions

AGA Caldas, AMA Caldas, CAC Dos Santos… - Flow Measurement and …, 2024 - Elsevier
The purpose of this work is the design and construction of a non-invasive meter for
concentration in saline solutions and the proposal of a low-cost mass flow meter for …