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1975 articles for “Operative” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Hybridization of Photovoltaic Panels and Thermoelectric Generators: Energy Efficiency Improvement
Abstract: Heat removal from PV panels has been revealed as a feasible and operational solution to reduce the temperature of the panel and increase energy efficiency. In this paper, the use of a thermoelectric generator (TEG) attached to the photovoltaic panel is proposed. A set of Peltier cells has been designed, built, and coupled to the rear side of a PV panel to remove the heat flow generated at the PV …
Published in Journal of Microwave Engineering and Technologies · Vol. 9, Issue 3, 2022 · pp. 29–46 Read article
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Analysis of Steering Bracket to reduce its Manufacturing Failure
Abstract: AbstractSteering mechanism is one of the important aspects of any vehicle. The function of mounting bracket is to mount the steering gearbox on chassis. A mounting bracket is very critical part in vehicle. The holes were produced on the steering bracket using punching operation. The punched hole leads to failure of the bracket due to the cyclic loading of bolts during the working condition. The failure leads to maintenance of …
Published in Journal of Materials & Metallurgical Engineering · Vol. 8, Issue 3, 2018 · pp. 1–7 Read article
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Comparison of Central Inverter and String Inverter for Solar Power Plant: Case Study in Vietnam
Abstract: AbstractSolar power technology is developing rapidly in Vietnam and investors are interested in developing the solar power plant. Comparison of the choice of grid-tie inverter technology between central inverter and string inverter can affect the change of investment cost, operation and maintenance costs, and operation efficiency of solar power plants in the real condition. However, most of solar power plants in Vietnam are currently in the design stage, so experience …
Published in Journal of Nuclear Engineering & Technology · Vol. 9, Issue 3, 2019 · pp. 11–23 Read article
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Reactive Power Optimization using Particle Swarm Optimization with Time Varying-Acceleration Coefficient
Abstract: This paper presents an approach for the solution of reactive power optimization problem. In deregulated power system operations, reactive power optimization helps the system operator to maintain system security with the economy. The application of the time-varying acceleration constant-particle swarm optimization (TVAC-PSO) method for the solution of this problem is emphasized. The real power losses of the system are minimized satisfying power balance, generator reactive power operating limit and voltage …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 2, 2018 · pp. 1–10 Read article
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A Method for Power System Reliability Enhancement Considering Optimal Transmission Switching and Dynamic Line Thermal Rating
Abstract: In the power industry, the focus has been almost exclusively on implementing equipment that can keep the power system reliable. With the growth of renewable energy, resource integration, system load uncertainties, and volatile weather conditions, electric utilities are faced with an increasingly complex and uncertain operating environment. Utilities are in need of a series of cost-effective technologies which allow them to operate power systems more economically and reliably. Due to …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 3, 2018 · pp. 1–8 Read article
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A Comparative Study on Particle Swarm Optimization for Transmission Congestion Management
Abstract: This research aims to propose solution to the issue of transmission congestion management based on optimal generation rescheduling using different variants of particle swarm optimization (PSO). In deregulated electricity market era, congestion management plays an essential role to accommodate all transactions within reliable system operations. Intending to reduce the congestion cost, optimum numbers of generators are selected based on generator sensitivity factor (GSF) to perform active power generation rescheduling. The …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 1, 2016 · pp. 86–93 Read article
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A High Static Gain Modified SEPIC Converter for Renewable Applications
Abstract: This paper presents a high step-up DC-DC converter based on the modified single ended primary inductance converter (SEPIC) for achieving high static gain. This converter topology is the combination of a classical boost converter and a conventional SEPIC converter. For low input and high output voltage applications, the modified SEPIC converter provides low switch voltage, low input current ripple and high step-up static gain. Therefore, this converter is suitable for …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 2, 2015 · pp. 19–40 Read article
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Software and Hardware Implementation of Quasi z Source Inverter in DC-DC Converter with DC Motor as Load
Abstract: DC/DC power converters are employed in applications like telecom, industrial, automotive, military, aerospace and motor drives. The dc/dc converter market is forecast to grow at a strong rate to $ 4.3 billion by 2016. The primary factor limiting the widespread application of low voltage producing renewable energy sources to motor load is interfacing of converter system. The traditional voltage source inverter (VSI) cannot be dealt without overrating of inverter because …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 3, 2015 · pp. 97–107 Read article
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Maximum Power Tracking using PI Controller in Photovoltaic System
Abstract: Maximum power point trackers are efficient enough to enhance an efficiency of the photovoltaic system. So many methodologies have been proposed up to this date to achieve maximum power. PV modules are capable of generating maximum power under diverse atmospheric conditions. The base paper proposed an MPPT (Maximum Power Point Tracking) algorithm that based on fuzzy logic for a solar system. The solar panel is analyzed and then simulated by …
Published in Journal of Power Electronics and Power Systems · Vol. 10, Issue 2, 2020 · pp. 22–27 Read article
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Analysis of Cylinder Head of CI Engine
Abstract: The main aim of this work is to predict the look performance supported stress/strain and behavior of plate below numerous operational conditions. the results of varied engineering operational conditions like combustion gas most internal pressure, thermal stress behavior and fatigue stress of the plate are analyzed. In any operating engine, the piston and therefore the plate ar the foremost vulnerable members because of enhanced mechanical and thermal loadings. The mechanical …
Published in Journal of Petroleum Engineering & Technology · Vol. 8, Issue 2, 2018 · pp. 1–4 Read article
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Underbalanced Drilling and Its Advancements: An Overview
Abstract: Ever increasing global energy demand associated with depletion of conventional hydrocarbon resources drives exploration and production (E&P) industry to invent advanced new technologies in frontier areas of drilling, production and reservoir engineering to enhance hydrocarbon production from unconventional resources or depleted reservoirs. Demand to produce from a low pressure marginal reservoir and the discoveries of naturally fractured reservoirs lead to the development of new drilling techniques like underbalanced drilling along …
Published in Journal of Petroleum Engineering & Technology · Vol. 4, Issue 2, 2014 · pp. 37–51 Read article
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Molasses to Ethanol Conversion Processes Overview: Process Simulation of the Beer-Ethanol Distillation
Abstract: The main target of this research is to give an overview of ethanol production and also to investigate the distillation process in a comparative way between the simulation and the lab tests. Different samples at different stages have been measured from the fermentation section to evaluate the ethanol production rate and concentration in each one of the fermenter as well as the PH measurements have been considered over six periods …
Published in Journal of Petroleum Engineering & Technology · Vol. 11, Issue 1, 2021 · pp. 1–16 Read article
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Petroleum Geothermal energy and process of mines extract
Abstract: Mining consumes a lot of energy, and because so much money is spent on fuel and energy transportation, energy costs are particularly expensive for remote mines that are off the grid. The necessity to switch to greener power sources to lessen its environmental impact is becoming increasingly clear to the mining industry as well. Geothermal energy is a crucial, albeit frequently underutilized, energy source for the mining sector as it …
Published in Journal of Petroleum Engineering & Technology · Vol. 12, Issue 2, 2022 · pp. 35–40 Read article
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Estimation of Drilling Waste Generation for Effective Waste Management
Abstract: Drilling operations remains the second generator of oil and gas waste after production activities. They are prominent among the primary sources of exploration and production waste. Wastes from drill cuttings and mud, and obnoxious gas emissions are the major contributors of these drilling wastes. These have direct and indirect impact on both humans and the environment. Poor estimation of waste may lead to solid and or liquid loadings at the …
Published in Journal of Petroleum Engineering & Technology · Vol. 13, Issue 1, 2023 · pp. 14–19 Read article
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PADDY SACKING CONVEYOR
Abstract: In this project, we are developing a highly efficient and effective screw conveyor packaging machine aimed at revolutionizing the way farmers pack their harvested paddy. The objective is to streamline the packaging process, saving valuable time and effort for farmers while ensuring optimal grain preservation and handling.During the paddy field harvesting period, it is common practice to store the collected grain at a designated spot within the field. Our innovative …
Published in Journal of Production Research & Management · Vol. 13, Issue 2, 2023 · pp. 72–95 Read article
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Performance of Ni3Al and TiO2 Coatings on T91 Boiler Tube Steel in Simulated Boiler Environment at 900°C
Abstract: Boiler steel tube corrosion in coal fired boiler is main subject during design and operation of thermal power plant and it leads to both direct and indirect loss of cost and energy, including losses due to plant shut down time and inefficiency of operation. One of the feasible solutions to solve out this problem is providing surface coating on boiler steel tube, which on one hand protects the tube from …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 3, Issue 2, 2016 · pp. 27–34 Read article
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ArcGIS Map - Location Based Khasra, Village & Property Mapping with Offline Functionality
Abstract: Abstract: This project is based on real time requirement and very useful for society. As we know that in today’s time everything is going to be online. By using this project one can know about his/her own registered property details like khasra number, khasra area, landowner name, land type, property location etc. In this project we have implemented custom map of a city for user's property with some important details …
Published in Journal of Telecommunication, Switching Systems and Networks · Vol. 6, Issue 1, 2019 · pp. 15–24 Read article
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Switched Capacitor-based RC Filter
Abstract: Today we know that the demand of low voltage for low power integrated circuits (ICs) are used for growing the portable equipment in all the markets including telecommunication, computers and customer electronics with smaller size. The low voltage need for ICs is also motivated by the new dip submicron complementary metal oxide semiconductor (CMOS) technology scaling that required all transistors of smaller size. In current years, a lot of researches …
Published in Journal of VLSI Design Tools and Technology · Vol. 6, Issue 1, 2016 · pp. 32–40 Read article
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Design and RTL Implementation for AHB-APB Bridge on SoC
Abstract: The focus of this research is to design and implement an interconnection protocol with 32-bit read/write data which operates on AMBA AHB-APB bridge. With the advent of scaling technology, embedded system focuses more on low-power dissipation and SoCs. Hence processors and routing protocols which focus on low-power design by ARM have gained popularity. In high-speed communication modules, the protocol works efficiently but has limitations with device operating at low speed. …
Published in Journal of VLSI Design Tools and Technology · Vol. 6, Issue 2, 2016 · pp. 44–52 Read article
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Low-Power Design of Content Addressable Memory using Master Slave Match Line Architecture
Abstract: Content Addressable Memory (CAM) is a storage unit used for faster accessing of lookup table that reduces processing time for search operation. It is mainly used very-high-speed searching applications like computer networking devices. The MAC address table is implemented with a CAM so that the destination port can be easily detected by reducing the switch’s latency. CAM gets its high speed of operation by parallel search mechanism. This paper proposes …
Published in Journal of VLSI Design Tools and Technology · Vol. 7, Issue 1, 2017 · pp. 29–34 Read article