R. Sarathi
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View article: PD characteristics of polymer insulation for inverted-fed drives under sine and square waveforms
PD characteristics of polymer insulation for inverted-fed drives under sine and square waveforms Open
In recent years, adjustable speed drives power by power electronic converters have caused insulation failure in the electrical motors with stator windings. The repeating impulse voltages produced by IGBTs created insulation reliability pro…
View article: Analysis of measurements from an array of radioxenon samplers near to Hartlepool Nuclear Power Station
Analysis of measurements from an array of radioxenon samplers near to Hartlepool Nuclear Power Station Open
As part of a scientific research and development project, the radionuclide fingerprint of an operating advanced gas-cooled reactor (AGR) has been studied across several facets (Goodwin et al., 2024). One part of this project was to deploy …
View article: Classification of gamma-irradiated aluminum-epoxy nanocomposites utilizing laser-induced breakdown spectroscopy and machine learning techniques
Classification of gamma-irradiated aluminum-epoxy nanocomposites utilizing laser-induced breakdown spectroscopy and machine learning techniques Open
This study investigates the degradation characteristics of gamma-irradiated aluminum-filled epoxy nanocomposites through the integration of Laser-Induced Breakdown Spectroscopy (LIBS) and supervised machine learning techniques. To simulate…
View article: Machine Learning‐Based Design and Fabrication of Multilayered Microwave Absorber
Machine Learning‐Based Design and Fabrication of Multilayered Microwave Absorber Open
Microwave absorbers are useful to develop sensors, absorb unwanted radiation, modify antenna patterns, electromagnetic interference shielding, reduce radar cross section, and so forth. With the conventional absorbers being bulk with dimens…
View article: EVOLUTION OF METFORMIN IN BREAST CANCER THERAPY IN LAST TWO DECADES: A REVIEW
EVOLUTION OF METFORMIN IN BREAST CANCER THERAPY IN LAST TWO DECADES: A REVIEW Open
Among women, breast cancer is one of the most prevalent cancers. The disease has a complex etiology, with multiple biological pathways contributing to its development. As insulin signaling has mitogenic effects, glucose is a necessary cell…
View article: Investigation of Compressive Sensing and Machine Learning Techniques for Classification of Incipient Discharges in Transformer Insulation
Investigation of Compressive Sensing and Machine Learning Techniques for Classification of Incipient Discharges in Transformer Insulation Open
View article: Understanding the Electrical and Thermal Performance of Synthetic Ester fluid Impregnated Aged Pressboard Adopting Optical and Thermography Studies
Understanding the Electrical and Thermal Performance of Synthetic Ester fluid Impregnated Aged Pressboard Adopting Optical and Thermography Studies Open
The present study explores the criticality of pressboard insulation in transformer applications through a detailed examination of its microscopic properties pre- and post-thermal aging to optimize performance. Experimental findings reveal …
View article: Characterising the Radionuclide Fingerprint of an Advanced Gas-Cooled Nuclear Power Reactor
Characterising the Radionuclide Fingerprint of an Advanced Gas-Cooled Nuclear Power Reactor Open
Radionuclides are monitored in the atmosphere for the signatures of nuclear explosions, as part of the verification of the Comprehensive Nuclear-Test-Ban Treaty (CTBT). Civil nuclear facilities, such as Nuclear Power Plants (NPPs) and Isot…
View article: Investigation on the Role of Interface on Electrical, Thermal and Mechanical Properties of Silicone Rubber-BN NanocompositesK
Investigation on the Role of Interface on Electrical, Thermal and Mechanical Properties of Silicone Rubber-BN NanocompositesK Open
View article: Quantitative Estimation of the Gelling in Thermally Aged Natural Ester Dielectric Liquid
Quantitative Estimation of the Gelling in Thermally Aged Natural Ester Dielectric Liquid Open
One of the major issues with natural ester fluid as transformer insulant is encountered due to the oxidation process, which forms a thin gel layer due to polymerization. This latter can hinder the electrical and heat transfer properties. T…
View article: Enhanced mechanical, thermal, and erosion resistance properties via the synergetic effect of n-ATH/LMGP added ceramifiable silicone rubber composites for electrical insulation
Enhanced mechanical, thermal, and erosion resistance properties via the synergetic effect of n-ATH/LMGP added ceramifiable silicone rubber composites for electrical insulation Open
The present work is focused on investigating the mechanical, thermal, and electrical erosion resistance properties of newly developed silicone rubber composites with micro-size-low melting glass powder (LMGP) and nano-size alumina trihydri…
View article: Combinatorial Anticancer Effects of The Non-Invasive High Voltage micro-second Pulse Electric Field with Low-Dose Curcumin on A549 Cells
Combinatorial Anticancer Effects of The Non-Invasive High Voltage micro-second Pulse Electric Field with Low-Dose Curcumin on A549 Cells Open
Purpose Novel, alternative and combinatorial approaches to combat cancers with minimal side effects is the need of the hour, owing to significant therapy-associated adverse effects. Natural molecule curcumin has shown to have significant a…
View article: A new technique for recovering aged mineral oil to promote lifetime and sustainability
A new technique for recovering aged mineral oil to promote lifetime and sustainability Open
Using mineral oil (MO) derived from petroleum, e.g., transformer insulation, raises environmental risk and affects sustainability. Due to its affordability and easy availability, MO will ineluctably be preferred over other biodegradable oi…
View article: A Critical Overview of the Impact of Nanoparticles in Ester Fluid for Power Transformers
A Critical Overview of the Impact of Nanoparticles in Ester Fluid for Power Transformers Open
This paper examines the impact of various nanoparticles on ester fluids with a special focus on their usage towards power transformers. The precautionary measures to be considered on the nanofluids such as preparation methodologies with an…
View article: Adoption of Response Surface Methodology for Optimization of Benzotriazole Additive in Ester Fluids as Transformer Insulant
Adoption of Response Surface Methodology for Optimization of Benzotriazole Additive in Ester Fluids as Transformer Insulant Open
This paper reports the critical investigation on the streaming current of ester fluids towards power transformer. The optimization of benzotriazole (BTA) additive is tested based on the streaming current analysis considering its influence …
View article: Dry Reforming of Methane Using a Swirl-Induced Plasma Discharge Reactor
Dry Reforming of Methane Using a Swirl-Induced Plasma Discharge Reactor Open
This study reports the dry reforming of methane (DRM) using non-thermal plasma in a swirl-induced point-plane electrode discharge reactor to produce syngas. This reactor geometry facilitates better mixing of the reactant gases in the plasm…
View article: Review on Gassing Tendency of Different Insulating Fluids towards Transformer Applications
Review on Gassing Tendency of Different Insulating Fluids towards Transformer Applications Open
This paper reports the critical reviews on the gassing tendency of different insulating fluids along with the precautionary measures to be considered during their fault diagnosis in transformer insulation. The experimental techniques and p…
View article: Investigation on the Surface Condition of Gamma Irradiated Silicone Rubber Micro-Nanocomposites
Investigation on the Surface Condition of Gamma Irradiated Silicone Rubber Micro-Nanocomposites Open
Silicone rubber (SR) micro nanocomposites formed with micro-ATH and nano-alumina particles have been subjected to different levels of gamma-ray irradiation to understand the characteristic variation in the surface condition of the material…
View article: Classification of Polluted Silicone Rubber Insulators by Using LIBS Assisted Machine Learning Techniques
Classification of Polluted Silicone Rubber Insulators by Using LIBS Assisted Machine Learning Techniques Open
Silicone rubber (SR) samples are coated with various types of artificially prepared pollutants, in order to identify and distinguish them by employing laser induced breakdown spectroscopy (LIBS). LIBS analysis is successful in identifying …
View article: Understanding the Electro-Rheological Aspects of Nano Silica Based Ester Fluid With Surfactants and Deep Learning-Based Prediction of ECT
Understanding the Electro-Rheological Aspects of Nano Silica Based Ester Fluid With Surfactants and Deep Learning-Based Prediction of ECT Open
The present study deals with understanding the impact of different surfactants with nano-silica based ester fluid on its electrical and rheological properties. The stability of nanofluid is of prime concerns, which is achieved by the inclu…
View article: Streaming Electrification of Different Insulating Fluids in Power Transformers
Streaming Electrification of Different Insulating Fluids in Power Transformers Open
This paper presents a detailed review of the streaming electrification phenomena of different insulating fluids for power transformers. The comparison of different techniques used to assess the charging tendency of fluids is discussed depe…
View article: Investigation of XLPE Cable Insulation Using Electrical, Thermal and Mechanical Properties, and Aging Level Adopting Machine Learning Techniques
Investigation of XLPE Cable Insulation Using Electrical, Thermal and Mechanical Properties, and Aging Level Adopting Machine Learning Techniques Open
Hydrothermal and chemical aging tests on a 230 kV cross-linked polyethylene (XLPE) insulation cable were carried out in the present study to evaluate the degradation and aging levels qualitatively. The samples were subjected to water aging…
View article: Understanding the dielectric properties and electromagnetic shielding efficiency of zirconia filled epoxy-MWCNT composites
Understanding the dielectric properties and electromagnetic shielding efficiency of zirconia filled epoxy-MWCNT composites Open
In the present study, hybrid composites are prepared by reinforcing various concentrations of high permittivity zirconia nanofiller into epoxy/CNT compositions to test their usability in EMI shielding applications in the X and Ku bands. Zr…
View article: Fuzzy Based Condition Monitoring Tool for Real-Time Analysis of Synthetic Ester Fluid as Transformer Insulant
Fuzzy Based Condition Monitoring Tool for Real-Time Analysis of Synthetic Ester Fluid as Transformer Insulant Open
The main aim of the present study is to explore the use of synthetic ester fluid as a transformer insulant. For this, the performance of thermally aged synthetic ester is investigated using corona inception voltage (CIV) measurement, fluor…
View article: Effect of Magnetic Field on Partial Discharge Initiated by Metallic Particle in Thermally Aged Natural Esters Under AC and Harmonic Voltages
Effect of Magnetic Field on Partial Discharge Initiated by Metallic Particle in Thermally Aged Natural Esters Under AC and Harmonic Voltages Open
This paper reports the experimental and theoretical investigations of particle levitation voltage on thermally aged ester fluid, under AC and harmonic AC voltages, in the presence of both electric and magnetic fields (130 mT and 160 mT). T…
View article: Planar Ultrawideband Circularly Polarized Cosine Slot Archimedean Spiral Antenna for Partial Discharge Detection
Planar Ultrawideband Circularly Polarized Cosine Slot Archimedean Spiral Antenna for Partial Discharge Detection Open
Design and experimental verification of an ultrawideband planar circularly polarized ultrahigh frequency (UHF) sensor is presented for detection of partial discharge (PD) activities in high voltage (HV) equipment. The proposed sensor is ca…
View article: Understanding the Ageing Behaviour of the XLPE Cable Insulation Adopting LIBS Technique
Understanding the Ageing Behaviour of the XLPE Cable Insulation Adopting LIBS Technique Open
The characteristic variations in the insulating behaviour of the XLPE cable insulating materials were investigated in the different ageing conditions using the LIBS technique.Plasma temperature and electron density were evaluated using the…
View article: Recent Advances in Vacuum Circuit Breakers
Recent Advances in Vacuum Circuit Breakers Open
The paper studies the basic elements of vacuum arc formation and interruption, the design and applications of vacuum switch technology as well as its limitations.Beginning with the description of the main components of a vacuum circuit bre…
View article: Impact of Surfactants on the Electrical and Rheological Aspects of Silica Based Synthetic Ester Nanofluids
Impact of Surfactants on the Electrical and Rheological Aspects of Silica Based Synthetic Ester Nanofluids Open
This study reports experimental investigations of the effects of different surfactants (CTAB, Oleic acid and Span 80) on silica based synthetic ester nanofluids. The positive and negative potential observed for the ionic (CTAB) and non-ion…
View article: Impact of DBDS and Silver Sulfide on the Performance of Thermally Aged Mineral oil Impregnated Pressboard Material
Impact of DBDS and Silver Sulfide on the Performance of Thermally Aged Mineral oil Impregnated Pressboard Material Open
The corrosive sulfur compounds present in the mineral oil causes the formation of dibenzyl disulfide (DBDS) complex and it can also erode the on-load tap changing selector contacts leading to generation of silver sulfide (AgS2).…