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739 articles for “STEP”
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Application of Dynamic Phasor Model as an Alternative to DFT in Phasor Measurement
Abstract: This paper presents the application of dynamic phasor based models as an alternative to the Discrete Fourier Transform (DFT) commonly used in the Phasor Measurement Units (PMU). The paper demonstrates that the computation of a phasor using DFT in discrete time domain is equivalent to the computation of phasor (Dynamic Phasor) in continuous time domain. This paper proposes the application of dynamic phasor based models to simulate a Wide Area …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 1, 2018 · pp. 46–52 Read article
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A New Approach for Modeling the Dynamics of Output Variables of a Spatially Distributed System
Abstract: This paper addresses the development of an average-value based model for the processing system having some peculiar physical constraints which prevent their process variables to have a steady and stable value. As a result, the maintenance of steady balance of the system will become tedious. The continuous observation of that process variable, fixation of its average value on real-time basis, and mathematical model development of above-average value as base factor …
Published in Journal of Power Electronics and Power Systems · Vol. 2, Issue 2, 2012 · pp. 20–33 Read article
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The Time and Frequency Response of Shielded Transformer Windings
Abstract: A distributed-parameter model is presented for the transient and frequency analysis of power transformers’ windings in the presence of electrostatic shielding, a technique occasionally applied for improving their initial voltage distribution. The s-domain solution takes into account the windings’ circuit parameters with special emphasis on the additional distributed capacitances between the windings’ conductors and the conducting shield which is connected to the windings’ line terminal. The closeness of the resulting …
Published in Journal of Power Electronics and Power Systems · Vol. 4, Issue 2, 2014 · pp. 33–47 Read article
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Design and Control of Three Phase Grid Connected Solar PhotoVoltaic Power System
Abstract: As the world power utilization quickly increments with populace development, new power era limits are obliged to cover that request. So there is requirement for force era utilizing renewable sources. Henceforth photovoltaic system is actualized to tie with the force framework. Keeping in mind the end goal to concentrate greatest force yield from PV framework proficiently, MPPT system is used. A DC-DC converter utilizes voltage source inverter which is controlled …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 1, 2015 · pp. 20–32 Read article
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Hidden Buck Chopper Circuits Topology in a Switch Controlled Singe Phase Rectifier, Size and Cost Analysis
Abstract: This paper shows hidden buck chopper circuits topology in a single phase switch controlled full wave rectifier. Justification of this realization yields the opportunity to use the single circuit structure for both AC to DC and DC to DC conversion processes. Generally, two diodes out of four diodes are replaced by two switches to offer voltage gain and input power factor regulation in a single phase full wave rectifier. Such …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 2, 2015 · pp. 17–28 Read article
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Control of a Three Phase Grid-Connected Photovoltaic System with Maximum Power Point Tracking
Abstract: The power output of a photovoltaic system is greatly dependent on environmental conditions such as solar irradiation and ambient temperature. Due to the nonlinear nature of these conditions, the power output of the PV system is nonlinear. As a result, interfacing its output to the electrical grid is not possible. In order to achieve a grid connected photovoltaic (PV) system, controlled maximum power point tracking techniques are needed to obtain …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 3, 2015 · pp. 52–64 Read article
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Fabrication and Experimental Analysis of Hybrid Energy Storage System for Electric Bicycle
Abstract: This paper's primary focus is on lightweight electric vehicles for daily needs and commuting over relatively short distances for day-to-day use. Here, the primary focus is on using solar energy as a non-conventional energy source to charge the electric bicycle, as opposed to investing time and resources in vehicles that run on petroleum gasoline. Utilising a lithium-ion battery and solar panel, the core concept aims to convert an old bicycle …
Published in Journal of Power Electronics and Power Systems · Vol. 13, Issue 1, 2023 · pp. 25–43 Read article
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IT Application in Oil and Gas Sector (Digital Oil Field)
Abstract: At first glance, IT applications with the oil and gas sector would seem an unlikely match. The oil and gas IT service demands unique analysis and comprehensive data through live energy with decades of experience in the energy industry and intellectual property from energy insights. To ensure relevance, our analysts work with subscribers and market leaders to identify and prioritize specific topics to be covered in research reports. The oil …
Published in Journal of Petroleum Engineering & Technology · Vol. 6, Issue 1, 2016 · pp. 50–53 Read article
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Overcome reservoir heterogeneity challenges by utilizing rock typing techniques
Abstract: Once a field has been identified, and a general method of reservoir exploitation decided, there are several methods to achieve the reservoir management goal. Still, some ways may cost twice as much as others. The most critical operations to developing a field are drilling of wells, and it overemphasizes which in the early stages of field development. Identifying well position and reservoir properties arrange as the most critical step for …
Published in Journal of Petroleum Engineering & Technology · Vol. 10, Issue 1, 2020 · pp. 33–45 Read article
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Water/Oil Cresting Optimization in Horizontal Wells: Experimental Study
Abstract: In recent years, the application of horizontal wells has been predominant and successful in minimizing cresting scenarios due to significant reservoir exposure of its laterals. Cresting is a natural phenomenon known to occur when an imbalance of viscous and gravitational forces exists in a reservoir. This study experimentally investigates the effect of varying the inclined section of the horizontal well using a simple, practical and inexpensive cresting optimization technique. The …
Published in Journal of Petroleum Engineering & Technology · Vol. 10, Issue 3, 2020 · pp. 35–46 Read article
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Comparative Study of Patent Applications in Patent Office, India according to their Respective Fields of Inventions
Abstract: Traditional knowledge provides valuable leads which save time and investment in research and development. But because of lack of understanding of IPR legislations among researchers of TK field, very less patents have been granted in this field. In order to promote a basic understanding of patents along with other IPR issues among the researchers of tradition knowledge and to analyze the issues in the area of research in traditional knowledge, …
Published in Journal of Production Research & Management · Vol. 7, Issue 3, 2017 · pp. 1–2 Read article
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A Review on Study of Casting Defect in Automobile Component
Abstract: Casting process is the most widely used process in manufacturing industries especially in automotive products. Production of casting involves various processes like pattern making, molding, core making and melting. It is very difficult to produce defect free castings. In developing country, foundry industries suffer from poor quality and productivity due to involvement of number of process parameters in casting process, which challenges explanation about the cause of casting defects. The …
Published in Journal of Production Research & Management · Vol. 8, Issue 2, 2018 · pp. 8–13 Read article
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Optimization of process parameters in pocket milling of SAE304 based on tool path strategies using Taguchi method
Abstract: Surface roughness is the most significant factor in manufacturing industry to accept most of the machined components. In modern manufacturing CNC milling is one of the most commonly used machining process for different components. Pocket milling is building importance in plastic molding, Ship building and aircraft manufacturing. The surface finish is attained by finishing operations in most of the cases, which causes increase in production cost and time. This can …
Published in Journal of Production Research & Management · Vol. 8, Issue 3, 2018 · pp. 49–56 Read article
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Implementation of Automated Pesticide Sprinkler in Existing Crop Cultivation Culture
Abstract: Advancement in agriculture helps in finding new solutions to improve efficiency. A way is to inculcate available data systems and technologies in the form of more smart machines to decrease wastage and focus on more efficient energy systems. We are now working towards sustainable in the 21st century. Today, mobiles and smart phones have become the most inseparable things in our lives. Smart Phones running on android applications are becoming …
Published in Journal of Production Research & Management · Vol. 10, Issue 2, 2020 · pp. 13–16 Read article
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An Improvised Hybrid Heuristic Algorithm for Uncapacitated Facility Location Problems
Abstract: Uncapacitated facility location (UFL) problems have received wide attention of many researchers over the past decade, particularly owing to their extensive applicability. While many exact and heuristic algorithms have been developed to solve the UFL problems, most of them cannot guarantee hit ratio (HR) and average relative percent error (ARPE). This paper presents the development of a hybrid heuristic combining stepwise allocation of facilities heuristic procedure with greedy search procedure …
Published in Journal of Production Research & Management · Vol. 2, Issue 1-2-3, 2012 · pp. 18–24 Read article
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Lean Production using Casting Simulation to Promote FTR Approach
Abstract: When the talk is about the green production, then intention is to develop a product with first-time-right approach. Foundry desperately needs such production system, as it provides wide range of products. Even the small errors in the inputs (concept, design, raw material, process, etc.) can lead to wasted outputs [1], and invite unwanted cost of reworking. Thus, it is of extreme importance to develop the castings with FTR (first time …
Published in Journal of Production Research & Management · Vol. 3, Issue 2, 2013 · pp. 23–29 Read article
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Methods to Create and Manage Green Supply Chain Management in North Indian Small Scale Industries
Abstract: The major issues originated in this study proposes necessary steps to make the green supply chain, methods to manage it and the result of its implementation. Green supply chain is generally in progress by a finish manufacturer, who has an ecological management system, and needs to bypass good ecological practices to its suppliers. The implementation of green supply chain can be also done by market place necessities. The results contain …
Published in Journal of Production Research & Management · Vol. 5, Issue 2, 2015 · pp. 11–15 Read article
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Evaluation of Industry 4.0 Adoption Obstacles Through the Use of SMEs
Abstract: Industry 4.0 offers significant technology advancements, but businesses must overcome several obstacles before implementing it. Although a lot of work has gone into identifying the hurdles that most businesses face, the literature currently in publication has not taken the time to examine how these barriers relate to one another or what that means for practitioners. Within the framework of Portugal's manufacturing sector, we employ the interpretative structural modelling (ISM) technique …
Published in Journal of Production Research & Management · Vol. 13, Issue 3, 2023 · pp. 24–38 Read article
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The importance of solar cell in modern times
Abstract: As of now, we all know that technology is a double-edged sword that can turn around. Blessing or disarray in any situation. Thus in recent years we have become more familiar with the term "global warming" and the near-surface air and average. One of the reasons for the increase in temperature is that the trees and greenery are declining day by day. Thus we are going to explain in this …
Published in Journal of Semiconductor Devices and Circuits · Vol. 9, Issue 1, 2022 · pp. 14–20 Read article
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Evolution of Graphene Oxide : A Survey
Abstract: Graphene, first isolated in 2004, is the 2D material that captivated researchers’ attention due to its extraordinary properties. These extraordinary properties motivated researchers to keep on searching better ways for synthesis of Graphene oxide (GO) and reduced graphene oxide (rGO). Several synthesis(oxidation-reduction) mechanisms are available in literature such as: Staudenmaier’s(ST), Hofmann’s (HO), Hummers’ (HU), Modified Hummer’s (MHU), improved Hummers’(IHU) and Mild Oxidation(MO) methods for oxidation and thermal, chemical, hydrothermal and …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 5, Issue 2, 2018 · pp. 31–39 Read article