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1939 articles for “generations” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Plasma Tweeter Loudspeaker - A Singing ARC
Abstract: Plasma arc speaker is a loudspeaker that generates sound without a solid diaphragm by varying the air pressure and utilizing a high voltage arc. It makes sound by heating air that causes air to expand in the same way as in thunderstorm. The grumbles and growls we hear in thunderstorm come from the quick expansion of the air surrounding the lightning bolt due to sudden increase in temperature. This produces …
Published in Journal of Microelectronics and Solid State Devices · Vol. 8, Issue 3, 2021 · pp. 26–35 Read article
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Design of a Powerful Brightness Measurement and Exposure Control Method for Real-Time Video Recording
Abstract: The auto exposure control (AEC) device in a video camera selects the right aperture length, advantage putting, and publicity time such that the publicity best suits the scene brightness. although some strategies to AEC had been proposed, maximum of them lack smart mechanisms to quickly estimate the proper exposure whilst users suddenly alternate the scene. The method to Match the brightness of the scene, the Auto Exposure Control (AEC) system …
Published in Journal of Microelectronics and Solid State Devices · Vol. 9, Issue 1, 2022 · pp. 1–5 Read article
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Application of IoT in Power and Energy Systems
Abstract: The electric power and energy systems (EPESs) are undergoing a transition to deliver clean decentralized energy for sustainable economic growth. The Internet of Things (IoT) is at the leading edge of this transformation, imparting capabilities such as real-time monitoring, context awareness and intelligence, control, and cyber security, in order to transform existing EPES into intelligent cyber-enabled EPES that is more efficient, secure, dependable, resilient, and sustainable. Additionally, digitising the electric …
Published in Journal of Microelectronics and Solid State Devices · Vol. 9, Issue 1, 2022 · pp. 16–18 Read article
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Performance Analysis of a Naval Reactor for Nuclear Powered Ship
Abstract: AbstractNuclear power-driven ships are becoming progressively more popular in advancing ship technology. Nuclear ships use naval reactors, which have lower fuel costs and last for many years and have almost zero emissions. The working of a Nuclear Ship is derived from the simple nuclear fission reaction. One more important factor that has spurred on the continuous investigates of nuclear power generation within ships is the irregular cost of flammable fuels. …
Published in Journal of Nuclear Engineering & Technology · Vol. 8, Issue 1, 2018 · pp. 1–6 Read article
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Nuclear Energy Scenario in India
Abstract: Currently, the demand of electrical energy is increased day by day and to control this demand is very difficult for a country and its people. This kind of demands also affects the environment as most of the energy creation by fossil fuel causes the emission of CO2 and hits the economy of country. To resolve this kind of issue we used nuclear energy as an alternative source of energy for …
Published in Journal of Nuclear Engineering & Technology · Vol. 8, Issue 2, 2018 · pp. 11–14 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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Grid Integrated Micro Inverter for PV Module with Anti-Islanding and MPPT Schemes
Abstract: From the economic perspective, densely populated areas can generate great amounts of electric power by installing PV panels on its rooftops and it can be fed in to the grid. This study describes a grid tied micro inverter for photovoltaic applications. The system consists of a Cuk converter connected with a full-bridge current source inverter. The connection of micro inverter systems to the grid can raise several challenges as the …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 3, 2018 · pp. 39–45 Read article
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Single-Phase Two-Stage Multi-Level Inverter Employing Low Number of Switching Devices
Abstract: In recent years, multilevel inverter (MLI) plays a significant role in low or medium voltage applications as a result of generating voltage with reduced harmonic contents. This paper proposes a new version of multi-level inverters (MLI) with reduced switching devices along with reduced harmonics content of output voltage, which results in low switching losses compared with conventional MLI topologies. In addition, the proposed inverter provides low total blocked voltage compared …
Published in Journal of Power Electronics and Power Systems · Vol. 9, Issue 2, 2019 · pp. 22–32 Read article
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Design a Patch Antenna with Metamaterial for Electromagnetic Interference Sensor
Abstract: This paper proposes a design of a patch antenna by using pentagonal shaped metamaterial for Electromagnetic interference sensor. Pentagonal shaped metamaterial is used to increase bandwidth of patch antenna. Metamaterial possesses properties such as negative permittivity and negative permeability. It reduces return loss of antenna and increases the directivity. Two identical rectangular patch antennas have designed for transmitting and receiving purpose. This proposed antenna has been simulated at 2GHz frequency …
Published in Journal of Power Electronics and Power Systems · Vol. 3, Issue 1, 2013 · pp. 18–21 Read article
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Direct Power Control of Induction Motor Drive
Abstract: Different variable frequency strategies have been developed for control of induction motors including V/f scalar control; field oriented control (FOC), and direct torque control (DTC). Recently, direct power control (DPC) has been developed to control dual-fed induction generators (DFIGs) and permanent magnet synchronous generators (PMSGs). In this paper, DPC is employed for speed control of induction motors fed by a voltage source inverter. DPC is basically similar to DTC method …
Published in Journal of Power Electronics and Power Systems · Vol. 4, Issue 2, 2014 · pp. 48–55 Read article
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Mitigation of Flicker and Harmonics in Grid Connected DFIG for Power Quality Improvement
Abstract: This paper focuses on the mitigation of voltage harmonics and flicker of a grid connected doubly fed induction generator for wind energy conversion system. The harmonics have been mitigated by an active series filter and flicker levels have been minimized by optimal control of wind turbine output reactive power. The effectiveness of the proposed mitigation strategies has been analyzed for various grid conditions and different wind speeds. The flicker levels …
Published in Journal of Power Electronics and Power Systems · Vol. 4, Issue 2, 2014 · pp. 12–23 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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Modelling of Grid Tied 3-Level Diode Clamped Inverter Using Sinusoidal PWM for Solar Application
Abstract: AbstractIn this paper the AC Loads are fed from solar energy by means of Three-level Diode Clamped Inverter. The entire system is three phase supply system. To make the system more efficient Maximum Power Point Tracking (MPPT) is used. The Perturb & Observe method is used to obtain voltage at maximum power. In this work Sinusoidal Pulse Width Modulation (SPWM) technique is implemented to generate gate pulses to make the …
Published in Journal of Power Electronics and Power Systems · Vol. 5, Issue 3, 2015 · pp. 9–16 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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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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Photovoltaic System Based Modified SEPIC Converter with Perturb and Observe Algorithm
Abstract: In recent years, because of the increasing demand of the electrical energy, the solar energy has been considered as one of principal renewable energy sources for electric power generation. As it has low power efficiency; to increase the extracted power from PV system is a matter of concern. To extract maximum power, a maximum power point tracking (MPPT) controller is necessary in a PV system. In this paper, a PV …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 2, 2017 · pp. 33–41 Read article
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Harmonic Estimation and its Compensation using D-STATCOM for a Steel Manufacturing Plant
Abstract: Electrical power system having distorted voltage and current waveform generates harmonics. The compensation of the harmonics is greatly required for better performance of the power system. Harmonic is of major concern for the power system containing electric arc furnace (EAF). Since the nature of the arc is highly non-linear and time varying and therefore harmonic analysis becomes important to know the behavior of the power system. This paper presents the …
Published in Journal of Power Electronics and Power Systems · Vol. 11, Issue 2, 2021 · pp. 27–35 Read article
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Evolutionary Particle Swarm Optimization (EPSO) based technique considering Voltage Stability Margin for Reactive Power Reserve Optimization
Abstract: Reactive power reserve and voltage stability are one of the important parameters required for proper operation of the electrical power system. Voltage stability covers a broad span of phenomena in power systems and its applications. Voltage stability is defined as ability of power system to assist fixed bearable potential at every single bus of the system under standard operating conditions and when put through to a disturbance. At any instant …
Published in Journal of Power Electronics and Power Systems · Vol. 11, Issue 2, 2021 · pp. 36–41 Read article
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Comparative Study of Boost, Elementary LUO and Super Lift LUO Converters for MPPT Photovoltaic Using P and O and Inc Methods
Abstract: The current Power demand of both industrial and domestic sectors forcing them to shift from traditional power sources to the green sources like Solar and Wind. Distributed Generation systems using solar and wind have multi-fold benefits compared to the traditional power generation. The Electrical power drawn from these renewables sources using MPPT methods such as Perturb & Observe (P&O), and Incremental Conductance (INC) methods are examined in this paper for …
Published in Journal of Power Electronics and Power Systems · Vol. 12, Issue 3, 2022 · pp. 26–43 Read article
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The Role of SCADA in Detecting Electric Faults in the Wind Turbine System: A Review
Abstract: A wind turbine is a machine which utilizes the kinetic energy of air to convert it into rotational energy. To generate the electricity, this rotational energy is transferred to the generator shaft. Whenever a fault occurs in the wind energy system, it decreases the system efficiency. During such abnormal conditions in a wind turbine system, the faults are detected through manual and/or automated system namely, SCADA. The control functions of …
Published in Journal of Power Electronics and Power Systems · Vol. 13, Issue 1, 2023 · pp. 16–24 Read article