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1227 articles for “Phases”
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Circuit Topologies, Operation, Control Schemes and Modulation Techniques of Modular Multilevel Inverter
Abstract: The Modular Multilevel Converter (MMC) is one of the developing topology. MMC has several attractive features such as a modular structure, transformer-less operation, easily scalable in terms of voltage and current, low expense for redundancy and fault tolerant operation and excellent output waveforms quality. Due to these attractive features industry and researcher increased the interest in this converter. This interest results in the development of new power topologies, modulation strategies …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 1, 2017 · pp. 28–40 Read article
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Performance Investigation on Fault Analysis in Power Transformer using Modified Fuzzy Controller
Abstract: This article presents the fault analysis and differential protection scheme of the three phase Power Transformers (PT). The proposed and designed relay operates mainly during the internal fault condition and it must be insensitive to any fault outside the zone of protection. In this paper, a designed and modified fuzzy logic controller based differential protection schemes have been used to product the system. The external and internal fault condition is …
Published in Journal of Power Electronics and Power Systems · Vol. 12, Issue 2, 2022 · pp. 32–43 Read article
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Experimental Investigation of Process Parameters While Milling of AA8011 Using MCDM/MADM Method-TOPSIS
Abstract: This paper presents in-depth and comprehensive approach for optimizing the machining parameters in milling of wrought alloy AA8011 using a MCDM/MADM method called TOPSIS. The present work is carried out in three phases; in the first phase the orthogonal array L27 design is prepared using Minitab software by considering various milling parameters such as speed, feed and depth of cut at three different levels. In the second phase, milling operations …
Published in Journal of Production Research & Management · Vol. 8, Issue 2, 2018 · pp. 1–7 Read article
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Development of a Soft Computing-Based Island Detection System and Performance Analysis
Abstract: There has been an overestimation of the global energy consumption in the last few years. Distributed Generators are being propelled forward by the motivation provided by the absence of suitable transmission capacity, exaggerated transmission and distribution mishaps, and the release of power marketing (DGs). It's a distributed age unit (DG slash hack expansion) and regional units linked to distribution that power the system, which has yet to have hundreds of …
Published in Journal of Semiconductor Devices and Circuits · Vol. 8, Issue 3, 2021 · pp. 1–15 Read article
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Effect on tunnel under varied pile loading using finite element analysis
Abstract: Use of underground space is increasing in densely populated cities. Underground excavation required extensive analysis for ground stability and to ensure the performance of a structure. Specific concerns arise during the design of the underground structures, such as the impact of excavation on nearby ground and existing building in the vicinity of excavation. Above ground structures may subject to disturbances due to any underground construction activity. This paper identifies the …
Published in Journal of Structural Engineering and Management · Vol. 9, Issue 2, 2022 · pp. 32–43 Read article
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A Review on Charge Pump Circuits for PLL Applications
Abstract: This paper presents a review on various architectures of charge pumps (CP) for high speed Phase-locked loop (PLL) applications. The different nonlinear marvels that influence the execution of PLL in view of the CPs circuit are examined. The various high performance CP circuits with reference voltage source, reference current source are analyzed that reduces the problems associated with the traditional charge pump circuit that consists leakage current, clock feed-through, charge …
Published in Journal of VLSI Design Tools and Technology · Vol. 5, Issue 3, 2015 · pp. 1–11 Read article
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PWM Technique based evaluation and performance analysis ofZVS Based Resonant Converter
Abstract: A Zero Voltage Switching (ZVS) based Resonant Converter (RC) has been simulated and the performanceis analyses in this paper. A ZVS based resonant converter working under load independent output voltage and no-load regulation is presented in the paper.Pulse width modulation (PWM) is a technology used to regulate outputvoltage. The major transitions of a full-bridge converter that achieves zero-voltage switching across the whole lineand load range by using a linked inductor …
Published in Journal of VLSI Design Tools and Technology · Vol. 12, Issue 2, 2022 · pp. 42–48 Read article
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Delta Sigma Fractional N Frequency Synthesis
Abstract: Frequency synthesizers are fast becoming essential for several broadcast bands and circuits as communication technology hasimproved. To meet this need, the fractional N frequency synthesizer was created. This synthesizer has proven its supremacy as a noteworthyinnovation by permitting various improvements over comparable concepts. Only when it is combined with delta-sigma modulation is thispossible. This combi- national circuit enhances frequency resolution and noise performance. PLL-based frequency synthesis is often used toproduce …
Published in Journal of VLSI Design Tools and Technology · Vol. 13, Issue 2, 2023 · pp. 12–20 Read article
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Linear Programming based Model for Design of Looped Water Distribution Networks with Redundancy
Abstract: A new linear programming based two-phased methodology is suggested for design of looped water distribution networks with redundancy. The redundancy is provided against failure of pipes and a network is designed to sustain failure of any one of the link without affecting nodal supplies in a part or full. In the first phase, network is designed under normal pipe working conditions for assumed flow distribution using linear programming. The performance …
Published in Journal of Water Resource Engineering and Management · Vol. 1, Issue 2, 2014 · pp. 1–10 Read article
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On The Energization and Steady-State Performance of 6-Pulse Diode Bridge Rectifiers Supplying Constant Voltage Loads
Abstract: The paper addresses the analysis of 3-phase 6-pule diode bridge rectifier circuits supplying a special load category representable by constant voltage sources. The applied Mathematica-based solution technique can handle symmetrical and unsymmetrical 3-phase voltages. The presented results include the phase currents on the AC side as well as the magnitude and wave shape of the output current on the DC side. Several case studies demonstrating the impact of the source’s …
Published in Trends in Electrical Engineering · Vol. 11, Issue 1, 2021 · pp. 14–23 Read article
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Terrorist Network Mining
Abstract: AbstractTerrorist activities worldwide has moved toward the advancement of different high-finished strategies for dissecting psychological militant gatherings and disrupting government systems. Existing examination found that social network analysis (SNA) is a standout amongst the best and persistent technique for countering fear mongering in interpersonal organizations. In this paper our approach is divided in two phases, in Phase 1, we apply shuffled frog leap algorithm (SFLA) for SNA in order to …
Published in Journal of Communication Engineering & Systems · Vol. 7, Issue 2, 2017 · pp. 42–52 Read article
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Behavioral Problem in Adolescence: A Solution through Ayurveda
Abstract: Human beings have to pass different phases of life. Adolescence is a phase of physical, physiological and emotional changes in life and extends from 10 to 19 years of life. This phase of life is in between childhood and adulthood of human life. Along with marked physical, psychological changes rapid behavioural changes are also well noticed in this vulnerable phase of life. A huge group of individual suffer from a …
Published in Research and Reviews : A Journal of Ayurvedic Science, Yoga and Naturopathy · Vol. 7, Issue 2, 2020 · pp. 36–40 Read article
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Orthodontics during the COVID-19 Times: Fight or Flight-A Literature Review
Abstract: The corona virus (SARS-CoV-2) a Nano-sized entity has led to a halt in our existence, confining and isolating the mankind. In spite of the regional and national lockdown being prevailed in most of the countries there still is a surge and swell in the number of cases and the graph is being increased continuously. New normality can be covered under three phases, starting with the preparatory phase which covers the …
Published in Research and Reviews: A Journal of Dentistry · Vol. 12, Issue 2, 2021 · pp. 1–9 Read article
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Integral Stimulation and Gestural Reorganization in the Management of Childhood Apraxia of Speech: A Case Study
Abstract: Objective: The purpose of this study was to assess the effectiveness of the combination of two intervention methods, integral stimulation and gestural reorganization techniques in a child diagnosed with developmental apraxia of speech. Method: A 4years old male child diagnosed with childhood apraxia of speech received an intervention for a period of 8months. In the initial phase of 4months duration, integral stimulation approach was used. In the second phase, a …
Published in Research and Reviews: A Journal of Health Professions · Vol. 9, Issue 1, 2019 · pp. 40–44 Read article
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Skin Prick Test and Intradermal Test in Allergic Disorders: Clinical Relevance
Abstract: Allergic diseases are one of the commonest ailments affecting individuals of all age groups globally and their prevalence has been increasing exponentially. Allergy skin testing was started in 1860 by Blackley as a diagnostic tool. Since then, it has been the standard clinical method to demonstrate the presence of allergen-specific IgE antibodies in allergic diseases. There is now consistent evidence that if we decrease sensitization to an allergen, we can …
Published in Research and Reviews : A Journal of Immunology · Vol. 12, Issue 1, 2022 · pp. 23–34 Read article
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An Indian Corpus of Gestures for Nouns and Verbs: A Preliminary Study
Abstract: The study aimed to develop a corpus of comprehensive gestures for a set of nouns and verbs in the Indian context. The study was conducted in the following three phases. Phase 1: Gestural nouns and verbs were selected from the existing word lists. Phase 2: A set of 221 nouns and 122 verbs were enacted and recorded by a professional actor and a cameraman respectively. Phase 3: Two groups of …
Published in Research and Reviews: A Journal of Neuroscience · Vol. 11, Issue 1, 2021 · pp. 18–32 Read article
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Recent Advances in Polymer-Based Thermal Management Technologies for Hybrid PV/T Solar Desalination Systems: A Critical Review
Abstract: Hybrid photovoltaic-thermal (PV/T) desalination systems are being developed as a new approach that not only generates clean water but also harnesses solar energy. While tremendous progress has been made in terms of design, the thermal management of PV/T desalination systems still poses several problems, such as heat generation, temperature non-uniformity, and inadequate thermal energy storage, all of which adversely affect the efficiency of electricity generation and clean water production. In …
Published in Journal of Polymer & Composites · Vol. 14, Issue 4, 2026 · pp. 921–931 Read article
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Formulation and Evaluation of Luliconazole Loaded Microemulgel
Abstract: The aim of present study is to formulate and evaluate Luliconazole Microemulgel. Microemulgel is combination of microemulsion and gel. The problem associated with delivery of hydrophobic drug can be solved by incorporating drug in microemulsion and then microemulsion is combined with gel to form microemulgel. Solubility of Luliconazole is determined and it was found to be soluble in ethanol, methanol, chloroform, while it was insoluble in water. The melting point …
Published in Research & Reviews: A Journal of Drug Formulation, Development and Production · Vol. 13, Issue 3, 2026 Read article
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Factors That Led to the Resurgence of E-Commerce in India
Abstract: The purpose of this paper is to provide an insight into the resurgence of E-Commerce in India. A brief effort was made to present the emergence of E-Commerce in India and presented the same through two phases’ viz., phase 1 and phase 2. The researchers have identified the factors that played a major role in revival of E-Commerce which has lost its glory in phase 1. The critical factors that …
Published in E-Commerce for Future & Trends · Vol. 1, Issue 2, 2014 · pp. 17–20 Read article
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The Overview of Software Testing: Types, Methods, and Levels
Abstract: Software development life cycle (SDLC) is a software development model consisting of different phases i.e., analysis, design, coding, testing, deployment, and maintenance. The analysis phase is the primary phase in which all the requirements aregathered and analysed which is further used for designing and coding. The next phase is testing.Software testing is a process of evaluating software so as to check whether it satisfies the requirements of the customer or …
Published in Journal of Software Engineering Tools & Technology Trends · Vol. 8, Issue 1, 2021 · pp. 11–14 Read article