Alka Singh

Post-perihelion Photometric and Spectroscopic Monitoring of the Interstellar Comet 3I/ATLAS

Goldy Ahuja, Shashikiran Ganesh, K. Aravind, Emmanuel Jehin et autres

The third interstellar object, comet 3I/ATLAS, was observed using various Indian telescopes during its post-perihelion evolution. We carried out imaging and spectroscopic observations of the comet at multiple epochs using the 0.5-m, 1.2-m, and 2.5-m telescopes of the Physical Research Laboratory and …

Renewable Powered EV Charger Based on Novel Five-Level Converter Controlled Using BELL Polynomials to Enhance Power Quality

Sudhanshu Mittal, Alka Singh, Prakash Chittora, Gaurav Kaushik

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Analysis of Different Cyberattacks on PMSG-Based Wind Turbine Control Systems

Nischay Rana, Alka Singh, Shatakshi

Advanced control and communication networks have made it easier to integrate renewable energy sources, especially wind energy, into the power grid. Although efficiency is increased, but there are sever cybersecurity risks too. The cyber-physical security of Permanent Magnet Synchronous Generator (PMSG) wind …

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Rodrigues Jacobi polynomial based control technique for on board EV charger in single phase power distribution system

Sudhanshu Mittal, Alka Singh, Prakash Chittora

The present research proposes a control technique for a bidirectional AC side converter that is based on the Rodrigues Jacobi Polynomial (RJP) algorithm. The bidirectional DC side converter, connected to the battery at the DC link of the AC-DC converter, will function …

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Design of hybrid LMS-SOGI-based phase-locked loop tested under adverse grid conditions

Oinam Lotika Devi, Alka Singh

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Modelling and Performance Analysis of DFIG Integrated with LMF-PLL under Grid Abnormalities

Oinam Lotika Devi, Alka Singh

Recently wind’s energy has increased access in the electric grid that makes it vital to develop and test adequate acceptable electromechanical the wind turbine generator (WTG) models for analysing the effects of wind integration on the transient stability of the power system. …

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Brain-Inspired Learning Controller for Grid-Connected Electric Vehicle Charging Junction with Improved Power Quality

Amarendra Pandey, Alka Singh, Sudhanshu Mittal

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Open Access and the Transformation of Library Services in the 21st Century: A Paradigm Shift

Anoop Kumar Ekka, Alka Singh

Open Access (OA) publishing changed the entire spectrum of library services thus revolutionizing the way people access and distribute information while handling it.Subscription-based resources have produced economic barriers and access limitations that led libraries to select Open Access materials.The fundamental change in …

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PNNL-CIM-Tools/CIM-Builder

Amy L. Anderson, Alka Singh, Jenny Appiah-Kubi, Andy Fisher

Tool for building CIM models "from scratch"

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Phase-Wise Gradual Upgrade of Eon to Sdm-Eon In Optical Backbone Network

Alka Singh, Gitanjali Chandwani Manocha

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Analysis of Maximum Correntropy Criterion-based Algorithms for the Control of Shunt Active Power Filter

Pankaj Kumar Verma, Alka Singh, Uma Nangia

Shunt active power filters (SAPFs) are a highly efficient and practical solution for mitigating issues related to power quality. The objective of the SAPF is to produce and introduce the necessary electrical current into the power system to remove any unwanted harmonic …

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Ground Water Level Prediction with Non-Continuous Unevenly Spaced Small Timeseries using Machine Learning

Rajarajan Vetriselvan, Stuti Srivasatava, Alka Singh

Ground water (GW) level prediction is an invaluable tool in GW management. Even with dense network of 256 GW monitoring wells at National Capital Territory of India, the GW level prediction possesses a significant challenge not only because of its small data …

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