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1991 articles for “demonstration” (ranking capped at the first 2,000 matches — narrow the search to see the rest)
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Detection of Eccentricity Fault for Induction Motor
Abstract: The study shows that 80% of faults are because of eccentricity in induction motors, advancing numerous research endeavors still gave to the eccentricity in these motors. In this paper, an asynchronous motor under static and dynamic eccentricities with various load levels is modeled utilizing using finite element method (FEM) as FEM is utilized as an intense numerical technique for analysis of defective induction motors. The simulation outcomes demonstrate that due …
Published in Trends in Electrical Engineering · Vol. 8, Issue 2, 2018 · pp. 19–32 Read article
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PLC Based Smart Car Parking System
Abstract: In modern industrialization and urbanization, there are rapid developments in automotive sector. Metropolitan and even small cities in India are heavily dense. People are experiencing huge traffic problem and insecurity regarding their vehicle. The land is becoming less but the population of human is growing day-by-day. This scenario is obvious in modern developed cities. Therefore is very limited and space need to be saved in every aspect of life. By …
Published in Trends in Electrical Engineering · Vol. 8, Issue 3, 2018 · pp. 66–71 Read article
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An Efficient General Distributed Parameter Approach to the Line Transient Analysis using Interpolating Function
Abstract: This paper presents an efficient technique for the time-domain determination of the electromagnetic transients along general transmission lines. The lines can be uniform or nonuniform. The technique is also applicable to line models incorporating dependent sources, such as the distributed voltage-dependent current sources usually adopted for simulating the line corona. The suggested approach is based on the concept of the interpolating functions for the numerical solution of just two simultaneous …
Published in Trends in Electrical Engineering · Vol. 3, Issue 3, 2013 · pp. 1–21 Read article
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Simulation of Dynamic Voltage Restorer for Voltage Sag Mitigation
Abstract: In recent years, power quality is the major issue in transmission and distribution network. This paper concentrates on one of the power quality problem, such as voltage sag. A novel mitigation system is simulated using Dynamic voltage restorer (DVR). The proposed system is boosting the sagged phase voltage by deriving the voltages from other healthy phases. The system is designed with two ac chopper circuits and two transformers. The voltage …
Published in Trends in Electrical Engineering · Vol. 5, Issue 2, 2015 · pp. 7–13 Read article
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Multi-layer Perceptron Ensemble for Estimation of Available Transfer Capability in Deregulated Environment
Abstract: The available transfer capability (ATC) estimation problem can be considered as a unique answered puzzle to be solved with highly nonlinear complexity of power systems and the uncertain state of the energy market. To implement the open access in deregulated markets, system operator should post ATC at a small and regular interval on openly accessible network. This forces the quick computation of ATC of transmission path. In these situations, the …
Published in Trends in Electrical Engineering · Vol. 6, Issue 1, 2016 · pp. 57–71 Read article
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Application of Nondominated Sorting Genetic Algorithm for Multiobjective Optimal Design of Distribution Transformer
Abstract: AbstractIn today’s competitive environment, transformer manufacturers are faced with the exigent task of yielding optimum performance at lowest cost. Considering the aspect of energy shortage and increase in its cost, the complexity of achieving the optimal balance between transformer manufacturing costs and transformer performance is a herculean task, demanding great amount of attempts to reach satisfactory results. To cater with the problem of minimizing transformer losses and cost simultaneously, this …
Published in Trends in Electrical Engineering · Vol. 6, Issue 3, 2016 · pp. 44–57 Read article
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Safety System Analysis of Nuclear Power Plant in Bangladesh
Abstract: In this paper, the safety system and safeguards of the model VVER-1000, which is a Gen-III pressurized water reactor, designed by ROASTAM and chosen to be implemented in Bangladesh, will be analyzed. Several predefined major faults have been set to demonstrate the performance in preventing the release of harmful radiation. From simulation results, it has been observed that for moderator dilution, the malfunction is neutralized within 115 sec, for turbine …
Published in Trends in Electrical Engineering · Vol. 6, Issue 3, 2016 · pp. 11–25 Read article
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Reactive Power Pricing Technique in A Competitive Market
Abstract: For maintaining voltages of each bus within specific range, proper reactive power support is mandatory. Reactive power is considered as an ancillary service in the restructured electricity market, hence it is price based service and controlled by ISO. Here, a modified optimal power flow (OPF) optimization method is proposed over the bids received from Gencos and to maintain the system security and stability subject to the constraints imposed by different …
Published in Trends in Electrical Engineering · Vol. 6, Issue 3, 2016 · pp. 89–100 Read article
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A New Approach to the Laplace-Domain Transient Analysis of Non-Uniform Lines with Application to Power Line Towers
Abstract: Abstract:This paper presents a new technique for the Laplace-domain analysis ofthe electromagnetic transients in non-uniform lines with special consideration of high voltage power line towers. The derived partial differential equations governing the voltage and current distributions, as functions of both the location and time, are solved by an efficient Mathematica computercode based on parametric functions. The applicability of the proposed direct distributed-parameter simulation is demonstrated. Theresults are in good agreement …
Published in Trends in Electrical Engineering · Vol. 9, Issue 3, 2019 · pp. 1–10 Read article
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PV-Syst based Performance Forecasting of Grid Connected Solar PV System in Indian Scenario
Abstract: The presentation and economy of a solar photovoltaic framework relies upon area and geographic parameters. Anticipating energy productivity is significant for effective arranging and assessment rates. The proposed examination investigates the exhibition assessment of three interconnected geologically associated photovoltaic solar frameworks. In Jaipur, Kolkata and Chennai have been trying a 1 MW solar PV framework for a year. Recreations were performed utilizing PV Syst (a product device created by the …
Published in Trends in Electrical Engineering · Vol. 10, Issue 2, 2020 · pp. 33–39 Read article
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On The Energization and Steady-State Performance of 6-Pulse Diode Bridge Rectifiers Supplying Constant Voltage Loads
Abstract: The paper addresses the analysis of 3-phase 6-pule diode bridge rectifier circuits supplying a special load category representable by constant voltage sources. The applied Mathematica-based solution technique can handle symmetrical and unsymmetrical 3-phase voltages. The presented results include the phase currents on the AC side as well as the magnitude and wave shape of the output current on the DC side. Several case studies demonstrating the impact of the source’s …
Published in Trends in Electrical Engineering · Vol. 11, Issue 1, 2021 · pp. 14–23 Read article
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Analysis of the Current Chopping and Breaker Stresses in Electric Power Networks
Abstract: This paper addresses the phenomenon of current chopping in electric power networks and the resulting circuit breaker transient recovery voltage. Its dependence on the pre-interruption loading conditions and the data of the power network is demonstrated. A Laplace-domain model with normalized network circuit parameters is adopted and a closed-form expression for the recovery voltage is derived. A numerical Laplace inversion technique using Mathematica is implemented in order to get its …
Published in Trends in Electrical Engineering · Vol. 11, Issue 2, 2021 · pp. 1–11 Read article
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Study and Prediction of Radiation Effects in Solar Power Plants using Neuro Fuzzy and Neural Network
Abstract: Neural and neuro-fuzzy frameworks are utilized, to figure temperature and sun powered radiation. The principle benefit of these frameworks is that they don't need any earlier information on the qualities of the information time-series to foresee their future qualities. These frameworks with various models have been prepared utilizing as information estimations of the above meteorological boundaries acquired from the National Observatory of Athens. In the wake of having reproduced a …
Published in Trends in Electrical Engineering · Vol. 12, Issue 1, 2022 · pp. 8–19 Read article
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Three-phase squirrel cage induction motor employing PLC-based Star-Delta starter
Abstract: This presentation discusses the significance of regulating beginning current and torque while finally beginning a motor. A multiple doubly fed induction motor may be started using a variety of methods. In addition, a star-delta technique utilising a reconfigurable controller (PLC) is described and evaluated to begin the Actuator Throughout the beginning process of a squirrel cage induction motor, the predominant and start contactors remain suspended and establish the circuit. This …
Published in Trends in Electrical Engineering · Vol. 12, Issue 1, 2022 · pp. 52–61 Read article
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Integration of Electrical Vehicles in Demands Response Program
Abstract: Demand Response (DR) schemes can benefit greatly from the assistance that Electric Vehicles can offer (EVs). Electric vehicles (EVs) can operate as a burden on the grid, a source of electricity for the grid, or a form of energy storage. Utilities are able to regulate EV charging time and tariffs, collect EVs-specific metre data, and conduct DR programmes as a result of the smart grid enabling technology. In order to …
Published in Trends in Electrical Engineering · Vol. 12, Issue 3, 2022 · pp. 20–29 Read article
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Transmission Line Fault Detection System Using IoT
Abstract: This research work proposes a novel approach for fault detection in transmission lines using IoT (Internet of Things) technology. The proposed system consists of sensors deployed along the transmission lines to monitor the line parameters such as voltage, current, and temperature. These sensors capture data, which is then sent to a cloud-based platform. The system is designed to detect and locate faults such as line breakages, short circuits, and overloads …
Published in Trends in Electrical Engineering · Vol. 13, Issue 1, 2023 · pp. 21–32 Read article
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Cloud based automation system
Abstract: The overall design of a cheap, wireless cloud automation system is demonstrated in this project. The automation system based on Internet of Things (IoT) is proposed in this project. It makes this work capable of controlling more than one devices over the internet. A smart control firmware is evolved out of this work which accomplishes the mechanized performance of each connected device. The control commands given by operating personnel are …
Published in Trends in Electrical Engineering · Vol. 13, Issue 1, 2023 · pp. 12–20 Read article
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Enhancing Voltage Stability Assessment through Phasor Measurement-Based Voltage Estimation
Abstract: Voltage stability monitoring of real-time systems may benefit greatly from recent advances in Phasor Measurement Units (PMUs) technology. Based on measurements taken from PMUs at three different operating locations, this article suggests quadratic fitting of nose curves (loading factor against bus voltage magnitude curves). Comparisons between the proposed estimation of nose curves and an existing method of quadratic nose curve fitting based on two step continuation power flow have been …
Published in Trends in Electrical Engineering · Vol. 13, Issue 3, 2023 · pp. 7–15 Read article
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Whole-body Vibration among Operators of Mining Equipment in Indian Mining Condition: a Short Review and Recommendation
Abstract: The article focuses on the study of vibration control of heavy equipment mining machines (HEMMs), and its effect on workers involved in mining work. An effort has been made to study whole-body vibration (WBV) in open pit mining based on seat design factors. Mining machinery operators are exposed to WBV. The effect of these occupational hazards is slow, but it can be demonstrated that it is a serious cause of …
Published in Trends in Machine design · Vol. 6, Issue 3, 2019 · pp. 23–27 Read article
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Examples of CAD software and the newest developments in CAD technology
Abstract: The cross-technology of product design used in the engineering field using electronic computer technology is known as computer-aided design, or CAD. As CAD applications become more widespread and well-liked, CAD technology is moving in the direction of becoming open, integrated, and intelligent. The CAD industry is developing. Today, only numerical tasks, such as calculations, analyses, and drawings, can be handled by CAD technology in mechanical design.The 3D CAD software for …
Published in Trends in Machine design · Vol. 9, Issue 2, 2022 · pp. 17–20 Read article