Space charge and its effects on oil-paper insulation in power transformers: A review

RA Raj - Journal of Electrostatics, 2023 - Elsevier
The life of power transformers faces a growing threat from space charge in oil-paper
insulation. Many works explored space charge behavior in this system. This review …

A Strategy to Reduce the Importation of Petroleum Oils in Vietnam by Transforming Rice Bran Waste to Vegetable Oil-Based Transformer Liquid Insulation

RA Raj, S Murugesan, D Sarathkumar… - 2023 IEEE …, 2023 - ieeexplore.ieee.org
As vegetable oils was entirely eco-friendly, have an extraordinary dielectric strength, a great
flash point, and are more companionable by means of paper insulators comparable with …

Reclamation of aged transformer oil employing combined adsorbents techniques using response surface for transformer applications

S Duraisamy, S Murugesan… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The study lowers the environmental risk by combining biodegradable adsorbents with
stronger adsorption. This work uses two distinct kinds of adsorbents, namely, polyaniline …

A practical method for restoring waste cooking and motor oil as possible biofuel energy

RA Raj, S Murugesan, D Sarathkumar… - 2022 2nd …, 2022 - ieeexplore.ieee.org
Humanity has been working to lessen the effects its varied activities have on the
environment in an effort to create a more sustainable civilization. Given that the majority of …

An extensive critique on Quality Checking of Natural Ester Based Oil

D Sarathkumar, RA Raj, P Sujeet… - 2023 IEEE …, 2023 - ieeexplore.ieee.org
Food safety in particular presents a significant barrier to the social and economic
development of underdeveloped countries. Edible vegetable oils are prone to quality …

Classification and Prediction of Incipient Faults in Transformer Oil by Supervised Machine Learning using Decision Tree

RA Raj, D Sarathkumar… - 2023 3rd …, 2023 - ieeexplore.ieee.org
Transformer condition evaluation is a crucial technique for displaying a transformer's health
index. Key gases (KG), which dissolve in oil and become inseparable, are developed …

Key gases in transformer oil–an analysis using self organizing map (SOM) neural networks

RA Raj, D Sarathkumar, LJB Andrews… - 2023 IEEE 12th …, 2023 - ieeexplore.ieee.org
Power transformer (PT) is a typical resource to the power system network for the
transmission and distribution of power. A typical PT operates all the days in a year at full …

IOT Based Surveillance Camera with GPS Module

LJB Andrews, D Sarathkumar… - 2023 IEEE International …, 2023 - ieeexplore.ieee.org
The main intention of this paper is to bring about a surveillance camera to execute the act of
surveillance in a particular area. At the present time IoT plays a major role in science and …

Investigating and predicting the dielectric performance of non-edible Natural Ester using LSTM-based deep learning model

RA Raj, S Murugesan, R Sarathi… - … Conference on Power …, 2023 - ieeexplore.ieee.org
Long short-term memory (LSTM) network deep learning research have become an effective
method for foreseeing responses with respect to time. A neural network model called LSTM …

Principal Component Analysis of Key Gases in Transformer Oil using DGA Data

RA Raj, LJB Andrews, SK Venkatachary… - 2023 International …, 2023 - ieeexplore.ieee.org
Using principal component analysis, this investigation examines the Key Gases (KG) H 2,
CH 4, C 2 H 6, C 2 H 4, and C 2 H 4 (PCA). To ascertain the contribution of each KG towards …