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650 articles for “Simulation”
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A Hybrid BPS-DCT Based Digital Image Watermarking Technique
Abstract: In this paper a hybrid algorithm using Bit Plane Slicing (BPS) and Discrete Cosine Transform (DCT) for digital image watermarking is proposed. There are two main requirements for digital image watermarking: imperceptibility and robustness. Imperceptibility is measured by Peak Signal to Noise Ratio and robustness is obtained by correlation between original and extracted watermark image. In this algorithm an image and watermark is first sliced into its bit planes using …
Published in International Journal of Digital Communication and Analog Signals · Vol. 7, Issue 2, 2021 · pp. 31–40 Read article
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Case Study Of Bus System Under Three-Phase PWM Cycloconverter With MPPT Feedback Control
Abstract: In this paper, we examine a bus system as a load to extract maximum obtainable power on it from three phase PWM cycloconverter module. We also use the concept of Maximum Power Point Tracking (MPPT) control through which the efficiency can be improved. The main objective of this case study is to observe the behavior of given bus system when it is applied as a load in MPPT controlled three …
Published in International Journal of Electrical Power System and Technology · Vol. 2, Issue 1, 2016 · pp. 32–36 Read article
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A Review on Grid Interconnection of Renewable Energy Sources at the Distribution Level with Power Quality Improvement Features
Abstract: Renewable energy sources (RES) are as a rule progressively associated in appropriation frameworks using power electronic converters. This review paper displays a novel control procedure for accomplishing greatest advantages from these matrix interfacing inverters at the point when introduced in 3-phase 4-wire dissemination frameworks. The inverter is controlled to perform as a multi-function device by incorporating active power filter functionality. The inverter can thus be utilized as: 1) power converter …
Published in International Journal of Electrical Power System and Technology · Vol. 2, Issue 1, 2016 · pp. 20–24 Read article
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A Review on Control Methods for Micro-grid based Distributed Generation System
Abstract: To counter the growing demand for energy, improvement in integration of distributed micro-grid based energy is the most promising problem in power system in the near future. The implementation of micro-grid systems offers significant advantages to both power suppliers and end customers. The current emphasis is on a comprehensive review of the control strategies and issues related to micro-grid and various droop control and strategy mode operation. This paper presents …
Published in International Journal of Electrical Power System and Technology · Vol. 2, Issue 2, 2016 · pp. 20–26 Read article
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Power quality Enhancement & Mitigating Neutral current in 3P4W Distribution System with DSTATCOM Using TIES
Abstract: Three-Phase four-wire distribution systems face severe power quality issues like poor voltage regulation, high reactive power and harmonics current burden, load unbalancing, excessive neutral current, etc.This creates excessive neutral current each of elementary and harmonic frequency and also the neutral conductor gets full. By integration section shifting into an especially low zero section sequence electric resistance electrical device with single or multiple outputs, substantial reduction of triplen, fifth and seventh …
Published in International Journal of Electrical Power System and Technology · Vol. 3, Issue 1, 2017 · pp. 1–15 Read article
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Power Quality Intensification in Power Distribution System by Fast Acting DSTATCOM with Y/∆ and T-Connected Transformer
Abstract: Mostly all domestic and industrial installation uses 3- section 4-wire distribution system, however just about appliances square measure single phased which can produce unbalance within the offer system conjointly typical masses like TV, personal computers, movable chargers, Air conditioners etc. uses power electronic converters and attracts non-sinusoidal currents, these 2 things could cause high neutral current and build harmonics within the offer system. it should cause wiring failures, rising of …
Published in International Journal of Electrical Power System and Technology · Vol. 3, Issue 1, 2017 · pp. 34–47 Read article
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ANN Based Power Quality Identification and Classification in Wind Solar Hybrid System
Abstract: With the development of new functionalities solar and wind energy based hybrid system are upcoming energy source with higher efficiency. Solar and wind energy being naturally available in abundance and non-polluting is one of the most promising sources. Due to the development of modern power electronics devices the power quality of wind solar hybrid system gets affected. Hence due to the increasing usage of sensitive electronic equipments in wind solar …
Published in International Journal of Electrical Power System and Technology · Vol. 3, Issue 2, 2017 · pp. 6–11 Read article
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Hybrid System Modeling and Efficient Enhancement in Smart Village
Abstract: A smart village discerns about its citizens, available resources, schemes and applicable services. It knows what it needs and when it needs. Smart village initiative focuses on improved resource-use efficiency, empowered local self-governance, access to assured basic amenities and responsible individual and community behavior to build a vibrant and happy society. The economic part of the model calculates the fuel consumed, the kilo watt hours obtained per gallon of fuel …
Published in International Journal of Electrical Power System and Technology · Vol. 3, Issue 2, 2017 · pp. 23–27 Read article
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Harmonic Analysis of Single-Phase Inverter
Abstract: In this paper, a study is carried out to investigate the total harmonic distortion (THD) of various voltage control signal techniques for single-phase pulse width modulation (PWM) inverter. The inverter is implemented using three PWM techniques—unipolar PWM, modified sine PWM and harmonic injection modulation. The performance of these control schemes are evaluated through simulation in MATLAB/SIMULINK. The obtained THD and fundamental magnitude of the output AC are tabulated (Table 1). …
Published in International Journal of Electrical Power System and Technology · Vol. 4, Issue 1, 2018 · pp. 32–38 Read article
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A Novel Buck-Boost Converter with an Enhanced Negative Output Voltage
Abstract: This paper proposes the theoretical design of a novel buck-boost converter with an enhanced negative output voltage than conventional converters. It is beneficial for applications that require a wide range of conversion ratio. The steady-state as well as power-loss analyses of the proposed converter operating in continuous conduction mode are examined. Comparison with typical negative output converters like the buck-boost converter, self-lift Luo converter and hybrid buck-boost converter is also …
Published in International Journal of Electrical Power System and Technology · Vol. 4, Issue 1, 2018 · pp. 48–60 Read article
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THD Comparison of 5, 7, 9, 11, 13, 15 and 17 Level Cascaded H-Bridge Multilevel Inverters
Abstract: In this paper, we simply compare the total harmonic distortion (THD) of different levels of cascaded H-bridge multilevel inverter. The major drawback of any inverter is THD. In this paper, comparison of THD is carried out for 5, 7, 9, 11, 13, 15 and 17 level inverters using MATLAB Simulink. In this paper, we use level-shifted multicarrier modulation, and also we show how THD is reduced as we increase the …
Published in International Journal of Electrical Power System and Technology · Vol. 4, Issue 2, 2018 · pp. 39–68 Read article
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Optimal Tuning of PID Controller for a Continuous Stirred Tank Reactor (CSTR) Using Ant Colony Optimization
Abstract: Ant colony optimization (ACO)-based proportional integral derivative (PID) controller has been proposed for tuning optimized PID parameters in a continuous-stirred tank reactor (CSTR) process. In our proposed work, we have found that the tuning should have minimum value for rise time, peak time, settling time, etc. to be effective to design a CSTR system by optimal PID tuning. The simulation results of the proposed work reveal that the ACO-based PID …
Published in International Journal of Electrical Power System and Technology · Vol. 4, Issue 2, 2018 · pp. 32–38 Read article
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A Review on Distribution Feeder and Designs
Abstract: An increase in the number of inverter-interfaced photovoltaic (PV) generators on existing distribution feeders affects the design, operation, and control of the distribution systems. The existing distribution system analysis tools are capable of supporting only snapshot and quasi-static analyses. Capturing the dynamic effects of the PV generators during the variation in the distribution system states is necessary when studying the effects of controller bandwidths, multiple voltage correction devices, and anti-islanding. …
Published in International Journal of Electrical Power System and Technology · Vol. 5, Issue 2, 2019 · pp. 13–23 Read article
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E-STATCOM for Improving Power System Damping Profile
Abstract: This work shows the performance improvement of a power system using STATCOM interfaced with an energy storage device (E-STATCOM). The storage device considered in this article is a supercapacitor. The STATCOM draws or supplies reactive power to the system while the supercapacitor caters for real power need. A multimachine power system model has been developed incorporating the STATCOM and supercapacitor dynamics. E-STATCOM has been considered to have been installed in …
Published in International Journal of Electrical Power System and Technology · Vol. 7, Issue 2, 2021 · pp. 1–7 Read article
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Evaluation of Two Distinct AI Control Methods to Enhance Power Quality
Abstract: Artificial Intelligence techniques are the latest techniques utilized for the improvement of electrical performance. This study examines and contrasts various artificial harmonic reduction methods for source current. Artificial Intelligence may include Fuzzy logic and Artificial Neural Network. The goal of the modeling is to improve the power quality through the application of principles that cannot be expressed as "true" or "false" but rather as "partially true" called as Fuzzy logic …
Published in International Journal of Electrical Power System and Technology · Vol. 8, Issue 2, 2022 · pp. 15–26 Read article
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The Study of Electrical Performance of Perovskite (CH3NH3PbX3, X=I, Br, Cl) Solar Cell at Different Absorption Coefficient
Abstract: Electrical Performance and numerical simulation of perovskite solar cells were carried out utilizing perovskite materials such "methyl ammonium lead halide (MAPbX3, MA= CH3NH3, X=I, Br, Cl)" with different absorption coefficients with the help of SCAPS tools and calculated the open-circuit voltage (Voc), fill factor (FF), power conversion efficiency (PCE), and short-circuit current density (Jsc) of the MAPbI3, MAPbBr3 and MAPbCl3 material used as active layer, respectively. The hole transport layer …
Published in International Journal of Electrical Power System and Technology · Vol. 9, Issue 1, 2023 · pp. 16–22 Read article
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MRAC Based Speed Estimation of Three DTC Techniques for Three-phase Inverter Fed IPMSM Drive
Abstract: This paper aims to study three Direct Torque Control (DTC) techniques for an Interior Permanent Magnet Synchronous Machine (IPMSM) using Model Reference Adaptive Control (MRAC). In the conventional DTC technique using a look-up table, gate signals are given to the Inverter that drives IPMSM. Since it is a 6-sector scheme and the operation of the minimum number of voltage vectors, undesired torque and flux ripples are created. Hence the problem …
Published in International Journal of Electrical Power System and Technology · Vol. 9, Issue 2, 2023 · pp. 1–15 Read article
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Wind-Solar Cogeneration on the Grid Using Voltage-Source Converters
Abstract: The paper presents a cost-effective configuration for a Grid-Connected Wind-Photovoltaic Cogeneration system. In addition, topology provides an independent tracking of the maximum power point for both wind and solar to maximize renewable energy use. The solar is correlated with grid via Voltage Source Inverter (VSI), wind turbine based on a permanent magnet synchronous generator is correlated with the utility grid via Voltage Source Rectifier (VSR). The intermediate circuit capacitor was …
Published in International Journal of Electrical Power System and Technology · Vol. 9, Issue 2, 2023 · pp. 23–28 Read article
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Voltage stability analysis in Power system using PMUs and UPFC
Abstract: Voltage instability has drawn the attention of both researchers and utilities due to the numerous system outages that have been linked to it over the past several decades in many places of universe. The improvement of synchrophasor techniques enables real-time monitoring and management of the network’s stability in voltage concern. This study recommends employing strategically placed synchrophasor measuring units (PMUs) to measure the margin of voltage-stability on-line and control it …
Published in International Journal of Electrical Power System and Technology · Vol. 9, Issue 2, 2023 · pp. 40–47 Read article
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Microcontroller Based Automatic Power Off & Bill Metering System
Abstract: In this paper, we implemented a system by which we can measure the consumption of electricity and also the system can OFF the device, when it’s not working for longer time. This implemented model is based on embedded system. An embedded system is anything that runs software, which is not a computer. It is a special purpose computer to perform one or few dedicate function. In this system, two operations …
Published in International Journal of Embedded Systems and Emerging Technologies · Vol. 1, Issue 2, 2016 · pp. 16–24 Read article