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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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Review on Challenges in Drilling Non-metals
Abstract: Drilling is widely used in manufacturing industry and can be easily performed on all materials. It is well known that drilling produces under size of the hole and we need to carry out further operations like boring to get the exact dimensions. When coming to nonmetals like composites maintaining the dimenions in drilling operations is a critical task, as they are laminated with different materials and chances of defects present …
Published in Journal of Materials & Metallurgical Engineering · Vol. 13, Issue 2, 2023 · pp. 15–21 Read article
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Characteristics of Sulphate, Nitrate and Total Dissolved Solid on Packed Bed Treatment of Petroleum Hydrocarbon Contaminated Water Using Adsorbent
Abstract: The characteristics of sulphate, nitrate and total dissolved solid was monitored in treatment of water medium contaminated with petroleum hydrocarbon. Agro-based adsorbent was used at different operating temperature in a packed bed unit connected in series of 1, 2 and 3. The initial concentration of sulphate, nitrate and total dissolved solid was measured and after the contaminates had passed through each packed bed unit. The result shows that the adsorbent …
Published in Journal of Materials & Metallurgical Engineering · Vol. 13, Issue 3, 2023 · pp. 38–44 Read article
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A Novel Design for High Speed & Area Efficient Compressor Based Vedic Multiplier
Abstract: Multipliers are the most important part in any arithmetic and logic unit, AbstractMultipliers are the most important part in any arithmetic and logic unit, accumulators and digital signal processors. Due to the increasing constraints on delay, the design of faster multipliers is emphasized. Among several multipliers, Vedic multipliers are preferred for their speed of operation. Here the proposed Vedic multiplication techniques are based on “URDHVA TIRYAKBHYAM” a fast and efficient …
Published in Journal of Microelectronics and Solid State Devices · Vol. 5, Issue 3, 2018 · pp. 1–10 Read article
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Test Pattern Generator for Built-in Self-test
Abstract: Low power BIST implementation is the need of the hour as testing is the most power-consuming process of chip operations. The power consumed during testing is almost twice as the power consumed during normal circuit operation. This paper gives the comparative analysis of power consumed by an improvised LFSR on two devices under test. The research also gives a decrease in number of logic gates in the circuit which is …
Published in Journal of Microelectronics and Solid State Devices · Vol. 2, Issue 1, 2015 · pp. 1–5 Read article
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A Novel Genetic Algorithm For Biomolecular Interaction Studies
Abstract: The examination of recent developments in genetic algorithms is covered in this work. The genetic algorithms chosen for analysis are those that the scientific community finds to be of considerable interest. The fresh and demanding researchers will benefit from this review's ability to provide a broader perspective on genetic algorithms. The popular algorithms' benefits and drawbacks, as well as how they are implemented, are presented. In order to aid novice …
Published in Journal of Microelectronics and Solid State Devices · Vol. 9, Issue 2, 2022 · pp. 22–28 Read article
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IoT based smart energy meter using ESP32 and Blynk App
Abstract: Smart energy meter has received a lot of attention recently from people all over the world. The design and development of a low-cost IoT energy monitoring system is discussed in this work. It can be used for a range of tasks, including power billing, data analysis, covering, managing energy on the smart grid, and home automation. The system is based on a low-cost ESP32 microcontroller, which is connected to a …
Published in Journal of Microelectronics and Solid State Devices · Vol. 10, Issue 1, 2023 · pp. 15–21 Read article
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Microgrid Stability and Control Issues: A Review
Abstract: Microgrid are the key solution to implement Smart Grid for integration of renewable and distributed energy resources. This paper presents a discussion on the stability and control issues of microgrid with their solution and it Investigates some aspects of stability in microgrids and A hierarchical coordination strategy with primary, secondary, and tertiary coordination are reviewed for economic operation of community microgrid. Due to these problems with the existing power system, …
Published in Journal of Microelectronics and Solid State Devices · Vol. 10, Issue 2, 2023 · pp. 37–47 Read article
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A Brief Overview of the Trends in Deployment of Nuclear Cogeneration Projects Round the World
Abstract: Nuclear cogeneration projects have the potential to provide long-term clean and sustainableelectricity, and a host of associated benefits such as clean water, useful radioisotopes, cleanfuels and heat to mankind. Several such projects have been in operation and many more arecoming up in a number of countries as this concept gains increasing importance in a worldwhich is looking to obtain sustainable and clean energy sources and associated services forall. This work …
Published in Journal of Nuclear Engineering & Technology · Vol. 10, Issue 3, 2020 · pp. 1–8 Read article
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Challenges In Sodium Cooled Fast Reactor Thermal Hydraulics
Abstract: Heat Transfer and Fluid flow phenomena (referred as Thermal Hydraulics) play a significant role in the safe and economical design of fast breeder reactors (FBR). The sodium cooled fast reactors have a very complex flow and temperature profile within the pool or the test vessel. The high temperature operating conditions (~540 deg.C) also impose stringent requirements on the thermal design of the components. The basic approach of thermal hydraulic design …
Published in Journal of Nuclear Engineering & Technology · Vol. 12, Issue 2, 2022 · pp. 33–47 Read article
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Maximizing Output: An Overview of Loss Analysis in Grid-Connected Solar Photovoltaic Systems
Abstract: The use of solar energy is growing in importance globally, but particularly in India. Since there aren't manysolar plants operating in India right now, there isn't any historical data. It is crucial to investigate how wellsolar power plants operate. Acquiring knowledge about solar power plant performance will lead to wiseinvestment choices. In this work, we address the different aspects that affect solar power plant performance,including age-related deterioration, inverter efficiency, design, …
Published in Journal of Nuclear Engineering & Technology · Vol. 13, Issue 2, 2023 · pp. 53–61 Read article
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Gesture and Voice Driven Remote Control System
Abstract: The Gesture and Voice Driven Remote Control System represents an innovative technology that empowers users to interact with and control electronic devices through hand movements, voice commands, and sensor integration while also enabling remote access and operation. This system provides an alternative and more accessible means of interaction, ultimately redefining the way we engage with our devices. By interpreting gesturesand voice commands through advanced recognition algorithms and speech recognition, it …
Published in Journal of Nuclear Engineering & Technology · Vol. 13, Issue 3, 2023 · pp. 23–29 Read article
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High Gain High Efficiency Single Switch DC–DC Converter for Green Power Source Conversion
Abstract: Efficiency of solar cell is very low and it is preferred to be operated at low voltages; so it is difficult to supply power to a certain load. Conventional boost converter offers limited gain. So a high voltage boosting is needed. Proposed converter consists of coupled inductor and switched capacitor technique to achieve high gain without high duty ratio and turns ratio. In the magnetic field of coupled inductor and …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 3, 2018 · pp. 46–56 Read article
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A Novel Approach of Sensorless Control of BLDC Motor with Z-Source Inverter
Abstract: Brushless dc motors are getting more attention in many areas owing to its compactness, maintenance, high efficiency and low cost. Precise detection of rotor position is essential to achieve high efficiency. Back EMF method is one of the most popular control methods for sensorless brushless dc motor. But this method is not suitable for high-speed operation, for the pulse width of zero-vector may be very short. This paper proposes an …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 3, 2018 · pp. 9–16 Read article
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Extended Switched Inductor Quasi Z Source Inverter for Photovoltaic Applications
Abstract: A novel extended switched inductor quasi Z source inverter is proposed in this paper for better voltage boosting with improved power factor and reliability. The operation of the proposed inverter is described with its equivalent circuit explaining operating states such as shoot through and non-shoot through states and outlining the relationship between output voltage, total harmonic distortion and power factor. Simple boost scheme is used for switching actions of the …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 2, 2017 · pp. 14–23 Read article
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A high Regulated Low Ripple DC Power Supply based on LC Filter and IGBT
Abstract: Filaments operating at a high temperature region would require ripple free current constant power source for their heating purposes. Introduction of ripple in the power supply would result in high power loss, aberrant, unpredictable temperature rise etc. High current ripple can also extenuate the life of electrolytic capacitors used in the circuit. In this paper we propose a scheme in which we would not only use simple, low cost, easily …
Published in Journal of Power Electronics and Power Systems · Vol. 2, Issue 2, 2012 · pp. 1–10 Read article
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Optimization of ED Problems of Interconnected Power System Using Particle Swarm Optimization
Abstract: This paper proposes an effective and useful evolutionary-based method to solve the economic load dispatch (ELD) problem. This paper introduces particle swarm optimization (PSO) technique for solving the economic dispatch (ED) problem in power system. ELD problem is really the solution of a large number of load flow problem with equality & inequality constraints. In this paper, a PSO technique for solving the ELD problem in power system is proposed. …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 1, 2015 · pp. 1–8 Read article
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Analysis of Different Level Half-Bridge Modular Multilevel Inverter
Abstract: Inverter is a power electronics device which is used to convert DC power to AC power at required output voltage and frequency. It can be broadly classified as two level inverters and multilevel inverters. The multilevel inverters are mainly classified as Diode clamped, Flying capacitor inverter and cascaded multilevel inverter. The design and operation of cascaded half bridge modular multilevel inverter (MMC) was very easy. Because, no clamping diode and …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 2, 2015 · pp. 1–8 Read article
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Simulation and Analysis of Sub Synchronous Resonance in a Series Compensated Transmission System
Abstract: Series compensation of a transmission line is necessary as it increases the power transfer capability of a transmission line. Employing series compensation also leads to phenomenon of sub synchronous resonance (ssr) wherein the electrical and mechanical natural frequencies match and exchange energy leading to excitation of natural torsional modes of the turbine generator unit. This leads to mechanical fatigue of the shaft on which turbine and generator are connected. This …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 3, 2015 · pp. 87–96 Read article
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Optimal Capacity of Pump Storage System for Standalone Green Microgrid Interconnection with Main Grid in Deregulated Power Sector
Abstract: The energy crisis requires more generation capability, and is more importance to the storage technologies. To overcome this shortage of energy, pump storage system is used in the power system with great storing capacity up to this time. The isolated or regional grid in remote areas probably depends on renewable power sources such as wind; solar, geothermal, tidal, etc. with its availability is the main power resources. It is quite …
Published in Journal of Power Electronics and Power Systems · Vol. 6, Issue 2, 2016 · pp. 100–114 Read article
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Frequency Regulation in Two Area System with PSO Driven PID Technique
Abstract: Now a modern days power system structures gives a major advantages in applications at the time, losses are also produced. To get the stable operation of this structured power system need balancing between total generation with total load demand and system losses. Rising and falling load demand throws off the real and reactive power balances. As a result, the system frequency and tie line interchange power deviate from their pre-programmed …
Published in Journal of Power Electronics and Power Systems · Vol. 12, Issue 2, 2022 · pp. 8–20 Read article