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1976 articles for “costing” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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A Brief Review on Single Phase PV Micro-Inverter System
Abstract: This paper presents a review on recent developments and a summary of inverter technology for single phase grid-connected photovoltaic (PV) systems for power levels up to 5 kW. The functions of inverter include DC–AC conversion, output power quality assurance, various protection mechanisms, and system controls. PV inverters are classified in three categories which are centralized inverter, string inverter and module oriented or micro inverter. Centralized inverter, string inverter and module …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 2, 2015 · pp. 55–62 Read article
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Multi Objective GAPSO Hybrid Algorithm for Optimal Location of Unified Power Flow Controller in Power System
Abstract: In the new era, sometimes, power systems work with heavily loaded lines resulting in higher power loss and higher voltage deviation which makes the system unstable. It is owing to continuous growing demand of electrical power. This paper elaborates a multi objective GAPSO hybrid algorithm to solve a multi objective optimization problem to find optimal location and size of unified power flow controller. The objective functions are used to minimize …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 2, 2016 · pp. 34–44 Read article
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A Novel Hybrid Power System for Urban or Remote Household Uses
Abstract: Implementation of renewable energy sources powered by wind has its limitations comparing to the same powered by solar cells and the latter is more practical in many cases. Again using solar cells in integrated applications many times introduces unnecessary complexity and high cost compared to the utilization they can serve. This paper proposes a photo-voltaic (PV) cell that serves as power source, an inverter and the utility grid together that …
Published in Journal of Power Electronics and Power Systems · Vol. 12, Issue 3, 2022 · pp. 1–8 Read article
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Power Factor Improvement of Boost PFC Converter for Street Light Application
Abstract: Street lighting is an integral part of urban infrastructure, ensuring public safety and urban development. The conventional street lighting systems often exhibit poor power factor characteristics, leading to inefficient energy usage and increased electricity costs. This paper presents a study focused on enhancing the power factor of a Boost Power Factor Correction (PFC) converter tailored specifically for street light applications. The Light Emitting Diode (LED) streetlights powered by AC sources …
Published in Journal of Power Electronics and Power Systems · Vol. 13, Issue 2, 2023 · pp. 12–18 Read article
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Enhanced Oil Recovery (EOR) Process through Miscible Gas Injection: A Case Study of an Iranian Oil Reservoir
Abstract: Speedy computers and development in equations’ numerical solutions have enhanced applying simulation to predict the behavior of oil and gas reservoirs. The pressure in hydrocarbon reservoirs reduces overtime due to utilization of oil and gas resources until the fluid pressure itself is no more able to transfer it to the surface, and even if it reaches to the surface, its production is not cost-effective. Whereas, large amounts of hydrocarbon resources …
Published in Journal of Petroleum Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 1–8 Read article
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Review on: Elimination of Petroleum Hydrocarbons using Bacteriological Carpets
Abstract: In this review study, biodegradability of petrol hydrocarbon was premeditated on the petroleum sludge from the chemical industry using bacterial carpet. Bacterial carpet is consisting of biological fiber like jute fiber, coconut fiber. Accidentally, releasing of petroleum products are actual concern in the surroundings. Additionally, one of the main ecological difficulties at the present day is hydrocarbon pollution, which resulting from the activities associated with the chemical and allied industries. …
Published in Journal of Petroleum Engineering & Technology · Vol. 9, Issue 3, 2019 · pp. 21–27 Read article
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Working model on Power Generation in Offshore Rig Using Tidal Energy
Abstract: Abstract- Hydrocarbons are a significant source of energy. Its expanding usage has caused the hydrocarbon exploration to go past the shore. Offshore Rig power prerequisites are higher contrasted with onshore rigs. Diesel Generators are customarily utilized for the power prerequisites of offshore rigs. This project expects to propose a plan to utilize the renewable source of energy (fundamentally tidal energy) for energy age in offshore. The thought is to have …
Published in Journal of Petroleum Engineering & Technology · Vol. 10, Issue 1, 2020 · pp. 46–58 Read article
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Integrated Rock Typing and Rock Mechanics Studies for Median Line Principle Optimization
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, but 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. Petroleum wells have changed character in recent decades, as compared to earlier times. …
Published in Journal of Petroleum Engineering & Technology · Vol. 10, Issue 1, 2020 · pp. 21–32 Read article
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Dynamic Cellular Manufacturing System Design for Automated Factories
Abstract: In this paper, an integrated mathematical model of the multi-period cell formation in a dynamic cellular manufacturing system (DCMS) is proposed with the aim of getting the optimal cost for it. In DCMS, the formed cells in the current period may not be optimal for the next period, so the reconfiguration of the cell is needed, thus we have a tendency to use DCMS. The paper examines the influence of …
Published in Journal of Production Research & Management · Vol. 4, Issue 2, 2014 · pp. 12–30 Read article
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An Efficient RNS Based Sparse Kogge Stone Parallel Pre-fix Adder with Filter
Abstract: AbstractLow power very large-scale integration (VLSI) circuits are important for designing of high performance and portable devices. Along with that the high speed, small area and low cost are also the main considerations of VLSI circuits. The importance of low power is increasing day by day because of changing trend, packaging and cooling cost, portable system and reliability. This paper presents the design of Digital FIR filter using reverse converter …
Published in Journal of Semiconductor Devices and Circuits · Vol. 5, Issue 1, 2018 · pp. 43–51 Read article
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Solving Economic Load Dispatch Problems through Moth Flame Optimization Algorithm
Abstract: AbstractThis paper proposes the nature-inspired moth flame optimization (MFO) algorithm to solve the economic load dispatch (ELD) problem of power system. The ELD is a concept where the committed generating units are scheduled to meet the total power demanded by the residential area. The ELD problems are solved by the optimization process of the objective function, hence optimization is done by minimizing the total fuel cost function of the generating …
Published in Journal of Semiconductor Devices and Circuits · Vol. 3, Issue 3, 2016 · pp. 25–33 Read article
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Tracking of Maximum Power Point for SPV Systems
Abstract: AbstractThis paper presents the optimization algorithm based maximum power point tracking techniques. Optimization of output of shaded and un-shaded photovoltaic array under either it is static or dynamic whether condition is the primary goal of each MPPT techniques. There are various aspects of each MPPT techniques such as cost effectiveness, simplicity of hardware and software, its implementation, requirement of sensor, level of popularity, level of accuracy and its convergence speed. …
Published in Journal of Semiconductor Devices and Circuits · Vol. 6, Issue 3, 2019 · pp. 33–45 Read article
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Advances and Challenges in the Development of High-performance Silicon Carbide (SiC) Power Devices
Abstract: Due to its distinct features, silicon carbide (SiC), a wide-bandgap semiconductor material, has attracted a lot of attention lately. SiC has superior electrical characteristics compared to silicon, making it an attractive material for high-performance power electronic devices. SiC-based devices can operate at higher temperatures, higher voltages, and higher switching frequencies, which can result in increased power density and efficiency. Recent advances in SiC device technology have led to the development …
Published in Journal of Semiconductor Devices and Circuits · Vol. 9, Issue 3, 2022 · pp. 15–20 Read article
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Advancement in Light Emitting Diode
Abstract: This paper discusses the advancements made in light-emitting diodes (LEDs) technology over the years. Whenever a current flows through an LED, the device produces light. The paper covers the basics of LED operation and the various types of LEDs, including organic LEDs (OLEDs). It then delves into the significant improvements that have been made in LED efficiency, brightness, and color rendering. These improvements have made LEDs more energy-efficient and cost-effective, …
Published in Journal of Semiconductor Devices and Circuits · Vol. 9, Issue 3, 2022 · pp. 32–46 Read article
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A Review Study on Analysis & Design of Electrical Transmission Towers
Abstract: Due to the increasing demand of electrical energy, the analysis & design of transmission line towers is very important. Out of total cost of transmission lines the transmission line towers constitute about 28 to 42 percent. This research paper presents an overview of research work done regarding the analysis & design of transmission line towers. Study focuses on types, member section types, geometry, capacity, base condition, important parameters of analysis …
Published in Journal of Structural Engineering and Management · Vol. 6, Issue 1, 2019 · pp. 1–7 Read article
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Comparative Study of RCC, Steel and Composite Structures by Using ETABS Software
Abstract: Building constructions by composite material in the current era very popular because of their vantage over conventional concrete and steel construction. It is noted that R.C.C buildings are being relatively large in size and give relatively less deflection and more seismic weight, whereas steel building instruct more ductility and deflection to the structure, Which is enhancing well-being in resisting earthquake forces. In this thesis Comparative Study of R.C.C., Steel and …
Published in Journal of Structural Engineering and Management · Vol. 6, Issue 2, 2019 · pp. 38–45 Read article
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Analysis of Specially Configured Large Ferrocement Water Tank
Abstract: Ferrocement construction technology is quite popular throughout the world for a long time. Ferrocement, a thin element composite of cement concrete mortar, wire mesh with skeleton steel is used as a building construction as well as a repair material. In this work, a special configuration is selected with different bar arrangement used for supporting skeleton steel in a large ferrocement water tank. Welded wire mesh is used in this water …
Published in Journal of Structural Engineering and Management · Vol. 6, Issue 3, 2019 · pp. 12–19 Read article
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Design of Modified North Light Roof Trusses: Comparative Study
Abstract: The study of north light truss and modified trusses by analyzing and designing has been carried out and submitted the comparative study of the same in the form of tables, graphs and charts, which highlights the forces, deflections, optimum steel requires, actual steel requires as per grouping. STAAD.Pro V8i software also used to analysis and design of such models. Solar panel loads also considered on the truss. Limit State Method …
Published in Journal of Structural Engineering and Management · Vol. 7, Issue 2, 2020 · pp. 27–35 Read article
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Metal Surface Coating Through Welding Processes
Abstract: The adversity of service conditions limits the service life of components. The replacement cost of the components is extremely high. Surfacing technique offers benefits in reducing materials costs and, in salvage applications, enables an expensive or difficult-to-replace part to be reclaimed and restored to operation with minimum of downtime. Industries involved in surfacing operations use various fusion welding especially arc welding processes. These operations demand high deposition rates but at …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 2, Issue 3, 2015 · pp. 23–27 Read article
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Development of 100% Biodegradable Sanitary Napkin from Pineapple Leaf Fiber with Antimicrobial Properties
Abstract: The necessity for the development of 100% biodegradable sanitary napkin is increasing as the earth is moving towards safer, sustainable, and eco-friendly planet. As the number of patients with cervical cancer and other reproductive tract infections are increasing day by day, it is necessary to implant organic and hygienic products on day to day basis. This is a safe and sufficient approach. The development of completely natural biodegradable sanitary napkin …
Published in Journal of Thin Films, Coating Science Technology & Application · Vol. 8, Issue 1, 2021 · pp. 16–21 Read article