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48 articles for “Dc and AC Supply”
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PLC & SCADA-based Automation in Boiler Systems Enhancing Energy Efficiency: A Review
Abstract: Data acquisition and supervisory management system utilizing a programmable logic controller. PLC, SCADA, and sensors are used in the design and development of a boiler automation system. Using communication wires, the PLC and SCADA were connected. The paper's introductory section focuses on supplying the boiler with inputs at the necessary temperature to consistently maintain a specific boiler temperature. the numerous steps needed to transition from a traditionally controlled boiler to …
Published in Journal of Thermal Engineering and Applications · Vol. 10, Issue 1, 2023 · pp. 20–25 Read article
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Uninterrupted Power Supply
Abstract: The uninterruptible power supplies (UPS) are costly equipment. Their installations are profitable, if costly because outage of the power system is higher, as the installation or operation costs. The UPS application areas are: Traffic system, Hospital , Computer lab, Chemical industry. The UPS are used for to maintain continuity of supply. The power improvement analyzed by using uninterruptible power supply. The main components used in uninterruptible power supply are AC …
Published in Journal of Mechatronics and Automation · Vol. 7, Issue 3, 2020 · pp. 33–37 Read article
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Analysis of Three Phase AC-DC Front End Converter with Vector Control
Abstract: The revolution in power electronics has opened in last few years widespread use of power converters of different power rating from few Watts to Mega-Watts. 3 phase AC-DC converters (Controlled rectifier) are most widely used power converters as the distributed electric power is AC supply, while the applications based on DC supply as well as variable frequency AC supply, need conversion of AC supply into DC supply. Large current harmonics …
Published in Journal of VLSI Design Tools and Technology · Vol. 11, Issue 3, 2021 · pp. 19–30 Read article
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Solar Electric Vehicle
Abstract: The requirement of the more and more energy sources is continuously increasing day by day. The non-renewable energy is pollutant generating fuel and will be exhaust after a certain limit of time. To overcome these problems, use of renewable energy, such as solar energy should be used. So for the better use of solar energy, the solar electric car should be more advance and efficient. The basic principle of solar …
Published in Journal of Experimental & Applied Mechanics · Vol. 11, Issue 1, 2020 · pp. 20–23 Read article
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HVDC Low Loss Switching Boost Converter Using Auxilary Circuit
Abstract: AC supply is available in different frequencies so many problems occur in different etiquettes; like battery charging needs the nonstop DC supply. Because of switching losses(AC to DC converters) are befalls in the converters. A new soft switching boost converter with an auxiliary or secondary switch and resonant circuit is projected in this work. The resonant circuit is consisted of a resonant inductor Lr, two resonant capacitors Cr1 Cr2, two …
Published in Journal of Electronic Design Technology · Vol. 6, Issue 3, 2015 · pp. 33–39 Read article
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An Effectual Analysis of Agribot Technology and Implementation in Global Perspectives for Energy Saving
Abstract: AbstractThe classical agricultural natural process requires huge manual try and dispatch on farm subject field which can be replaced using mechanization or smart farming. Agribot is the excellent example of computerized or smart effectuation of the agricultural devices which can oeuvre in autonomous trend with live monitoring from a remote mastery locating. This manuscript contains an automaton robot to carry out various applications because automaton is a mechanical, artificial cistron …
Published in Recent Trends in Sensor Research & Technology · Vol. 5, Issue 2, 2018 · pp. 20–32 Read article
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Adaptive Hysteresis Band Current Controller for the Shunt Active Power Filter Using the d-q0 Reference Frame Theory
Abstract: Recent wide spread applications of power electronic equipment has caused an increase of the harmonic disturbances in the power systems. The nonlinear loads draw harmonic and reactive power components of current from AC mains. Here an adaptive hysteresis band current controlled shunt active power filter is presented to eliminate harmonics and to compensate the reactive power of three-phase rectifier. This current controller changes the hysteresis bandwidth according to modulation frequency, …
Published in Journal of VLSI Design Tools and Technology · Vol. 10, Issue 2, 2020 · pp. 1–7 Read article
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Research on Synchronous Generators AC Excitation Regulation Control System
Abstract: Based on various methods to supply excitation power to the synchronous generator it is categorized in three different types of excitation systems for synchronous motor. The first one is DC excitation system, second is AC excitation system and third one is static excitation system. The increasing size of contemporary power systems ensures system dependability and stability. A better supply of power is vital and has a big influence on improving …
Published in International Journal of Electrical Power and Machine Systems · Vol. 2, Issue 2, 2024 · pp. 10–16 Read article
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Performance Evaluation and Operation of DSP Control UPS System
Abstract: An uninterruptible power supply (UPS) is a power controller that gives emergency electricity to a load when the mains energy fails. In on-line UPS, the load is always connected to the inverter though the UPS static switch. Specialized expertise is required for collection, analysis, and dissemination of technical information relating to high quality uninterruptible power systems. Inherent in these responsibilities is the coordination of technical and contractual matters relating to …
Published in Trends in Electrical Engineering · Vol. 8, Issue 1, 2018 · pp. 1–13 Read article
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Speed Control of DC Motor with High Accuracy
Abstract: The aim of developing this project is to control the speed of DC motor. The main advantage in using a DC motor is that the speed-torque relationship can be varied to almost any useful form. To achieve the speed control an electronic technique called pulse width modulation (PWM) is used which generates high and low pulses. These pulses vary the speed in the motor. For the generation of these pulses …
Published in Journal of Microelectronics and Solid State Devices · Vol. 2, Issue 3, 2015 · pp. 29–37 Read article
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HCC Based Hybrid Shunt Active Filter to Reduce the Harmonics Due to Switching Surges
Abstract: This paper deals with the hysteresis current control based hybrid shunt active filter to reduce the harmonics produced by frequent switching of industrial loads in distribution system. The main harmonic sources of distribution lines are the non linear loads and frequent switching of industrial loads. The harmonics due to non linear loads can be controlled by passive filters. The switching surges are dynamic and its magnitude dies out quickly. Hence …
Published in Trends in Electrical Engineering · Vol. 3, Issue 2, 2013 · pp. 15–19 Read article
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A Programmable Logic Controller Implicated to Control Speed
Abstract: The aim of developing this project is to control the speed of DC motor. The main advantage in using a DC motor is that the speed-torque relationship can be varied to almost any useful form. To achieve the speed control an electronic technique called pulse width modulation is used which generates high and low pulses. These pulses vary the speed in the motor. For the generation of these pulses a …
Published in Journal of Semiconductor Devices and Circuits · Vol. 2, Issue 3, 2015 · pp. 25–30 Read article
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Simulation of Single Phase AC-DC Power Factor Corrected Converter: A Technological Review
Abstract: This paper is intended to review the significant development of power factor correction by using boost converter topology for single phase power supply to the load in the last decay. Contents in this review paper starts with an introduction of power factor correction by boost converter topology adopted by many industries. Different power factor correction methods are available, which can be applied to get better power factor and low harmonic …
Published in Trends in Electrical Engineering · Vol. 6, Issue 1, 2016 · pp. 72–83 Read article
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Innovative Design and Fabrication Techniques for an Octawalker: A Comprehensive Study
Abstract: The octawalker is a walking aid that is remote-controlled.We intend to increasesecurity to a new level. In order to benefit our country, we created this initiative using our thoughts. composed of two motors that run on 12 volts DC.DC battery power supply that can be recharged. These checkpoints demand all vehicle traffic to stop. According to Webster, a robot is & an autonomous device that performs functions normally ascribed to …
Published in Journal of Nuclear Engineering & Technology · Vol. 13, Issue 3, 2023 · pp. 30–35 Read article
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Light Sensor Circuit
Abstract: The presence of light increases current in the photo diode or phototransistor. LM317 supplied lower voltage DC power in the circuit. Capacitors are connected in parallel with the DC output in order to filter out any high frequency AC signal coming from the noise. NE555P Timer produced accurate oscillation. BPV11 is used as a photodiode. LM311 is the comparator and the light on/off is converted to low/ high of the …
Published in Trends in Electrical Engineering · Vol. 9, Issue 2, 2019 · pp. 7–11 Read article
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Advancing Grid Integration: Maximum Power Point Tracking-Based Model Predictive Current Control Technique for Photovoltaic Systems
Abstract: Tracking a PV system's maximum power point is necessary as demand for grid-connected solar systems rises, regardless of utility demand. Since the PV system's output is D.C., a converter serving as a middleman between the PV system and the D.C. link capacitor is necessary to track the maximum power at all loads. Since the firing angle of the IGBT in the boost converter is between 0 and 1 at maximum …
Published in International Journal of Electrical Machine Analysis and Design · Vol. 1, Issue 2, 2023 · pp. 31–35 Read article
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Speed Control of An Inverter Fed Three-Phase Induction Motor Using IP Controller Considering Core Loss and Stray Load Loss
Abstract: Consideration of core losses and stray load losses to design a controller of an inverter fed induction motor are affected to the flux and torque decoupling strategy adversely. As a consequence, the detuning of field-oriented control (FOC) is required. The detuning strategies have been developed in some literatures. But the implementation of detuning becomes difficult because of higher order expression. In general, the controlling and estimation of AC drives are …
Published in Trends in Electrical Engineering · Vol. 5, Issue 1, 2015 · pp. 28–35 Read article
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Sinusoidal Pulse Width Modulation Switching Technique based Single Phase Inverter
Abstract: This paper discusses about the inverter which transfers power from DC source to AC load side. Inverters are usually used in motor drive, static var compensators, uninterruptible power supplies (ups), etc. Pulse Width Modulation (PWM) technique is used because the total harmonics distortion is low as compared with other techniques. The switching scheme of sinusoidal PWM permits control of the frequency and the magnitude of the output. This switching scheme …
Published in Journal of Power Electronics and Power Systems · Vol. 9, Issue 1, 2019 · pp. 34–41 Read article
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Design of Front-end for Variable-frequency Drive
Abstract: A variable-frequency drive (VFD) is a device used in electro-mechanical drive systems to regulate the speed and torque of AC motors. It consists of a rectifier, a DC link, and an inverter, which work together to convert AC power into a variable frequency and voltage AC power supplied to the motor. By providing accurate speed regulation, VFDs enable energy conservation, enhanced process management, and reduced motor wear. They are commonly …
Published in Research & Reviews: A Journal of Embedded System & Applications · Vol. 11, Issue 1, 2023 · pp. 31–35 Read article
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Exploring the Potential of Adiabatic Logic for Low Power Nano-scale VLSI Designs
Abstract: Low power dissipation has emerged as one of the main research areas due to the ongoing scaling down of device technology in the area of VLSI circuit design. Adiabatic logic gates are a practical answer to the rising demand for low power portable gadgets. Various adiabatic logic families, including 2N-2N2P, PFAL (Positive Feedback Adiabatic Logic), DCPAL (Differential Cascode and Pre-resolved Adiabatic Logic), and a suggested circuit centred on the PFAL …
Published in Journal of VLSI Design Tools and Technology · Vol. 13, Issue 1, 2023 · pp. 6–14 Read article