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1871 articles for “Paper”
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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 Enhancement in 3P4W Electrical Distribution System by using DCMLI-DSTATCOM-TIES with Reliability Study
Abstract: The Quality of the output power from the utilities has become a serious concern of the trendy industries. These power quality associated issues area unit voltage sag, surge, flicker, voltage imbalance, interruptions and harmonic issues. These power quality issues might cause issues to the industries starting from haywire of kit to finish plant close up. It’s been known that power quality will be degraded each owing to utility aspect abnormalities …
Published in International Journal of Electrical Power System and Technology · Vol. 3, Issue 1, 2017 · pp. 16–33 Read article
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Network Control System For DC Motor Using ANN
Abstract: Networked control systems (NCS) are distributed computing and control systems with sensors, actuators and controllers that communicate over a shared medium. The distributed nature of NCS and issues related to the shared communication medium pose significant challenges for control design, as the control system no longer follows the rules of classical control theory. The main problems that are not well covered by the traditional control theory are varying time delays …
Published in International Journal of Electrical Power System and Technology · Vol. 3, Issue 1, 2017 · pp. 55–75 Read article
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Wireless Power Transmission
Abstract: Power is more important for our modern civilization. The purpose of this research paper is to discuss the concept of transmitting the electrical power without using wire. The wireless power transmission (WPT) is most efficient way of transmitting electrical power to one place to another place though atmosphere and vacuum with using wire. In the present electrical power transmission there are many losses occurs there like heat losses or low …
Published in International Journal of Electrical Power System and Technology · Vol. 3, Issue 2, 2017 · pp. 1–5 Read article
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Comparative Analysis of DC–DC Converter for Application in Energy Systems Based on Renewable Energy Resources
Abstract: This paper is a result of comparative study for seeking the better application of DC–DC converters in renewable energy systems when a transformer is employed in it. It is seen experimentally that by employing transformer with the converter, its output can be made ripple free to a great extent and the efficiency of the system is improved. It was also seen that, by using high-frequency switching devices like MOSFETs and …
Published in International Journal of Electrical Power System and Technology · Vol. 4, Issue 1, 2018 · pp. 26–31 Read article
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A Technological Study of Biogas Generation from Biowaste Material: A Review of Research and Development
Abstract: The demand for electricity is increasing continuously and exponentially, and the conventional fuels are depleting rapidly. A number of renewable energy technologies have been studied worldwide. The most popular renewable energy technologies being used for power generation include solar photovoltaic, solar thermal, wind energy and biogas-based technologies. All these sources can be used for power generation and/or direct or indirect cooking. Use of biogas for power generation, cooking and its …
Published in International Journal of Electrical Power System and Technology · Vol. 4, Issue 1, 2018 · pp. 16–25 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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Grid-Tied PV System with Small DC-Link Capacitor and Low-Frequency Ripple-Free Maximum Power Point Tracking
Abstract: This paper proposes a grid-tied cascaded multilevel inverter (CMI) PV system based on current-fed dual-active-bridge DC–DC converters using small dc-link capacitors. The CMI has many advantages, such as modularity, low harmonic spectra, high ac voltage application with low device rating, and low electromagnetic interference. In addition, distributed maximum power point tracking (MPPT) terminal for segmented photovoltaic (PV) arrays can be achieved by CMI PV converter. The low-frequency ripple-free MPPT is …
Published in International Journal of Electrical Power System and Technology · Vol. 4, Issue 1, 2018 · pp. 39–47 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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A Critical Review of Harmonics and Mitigation Techniques in Power Systems
Abstract: The application of nonlinear loads in electrical power systems has increased significantly in recent years. These include variable speed drives (VSDs), uninterruptible power supplies (UPS), industrial rectifiers, welding machines, fluorescent lighting systems (Electronic ballast), computers, electronic appliances and other equipment with switched mode power supplies (SMPS) all of which have nonlinear voltage-current characteristics and produce harmonic distortions on the power system. Power system reliability and normal operation of electrical equipment …
Published in International Journal of Electrical Power System and Technology · Vol. 5, Issue 1, 2019 · pp. 1–15 Read article
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Economic Load Dispatch: A Review
Abstract: In this paper, the problems related to economic load dispatch (ELD) have been discussed. The ELD problem can be conceived as an optimization problem of minimizing the total fuel cost of all generating units while satisfying the demand and losses. The ELD problems have non-smooth objective function with equality and inequality constraints. The economic dispatch problem means the real and reactive power of the generator varies within the certain limits …
Published in International Journal of Electrical Power System and Technology · Vol. 5, Issue 2, 2019 · pp. 24–29 Read article
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HVDC Transmission Line Transient Power Protection: A Review
Abstract: HVDC transmission line is preferred more than HVAC transmission line due to its leading advantages over EHVAC system so HVDC transmission line protection is one of the major concerns in the current power system. The transients are generated in HVDC system during the occurrence of faults. This paper gives a briefing about the transient energy protection scheme for protection of HVDC line. Here, nature of HVDC line during internal and …
Published in International Journal of Electrical Power System and Technology · Vol. 6, Issue 2, 2020 · pp. 22–30 Read article
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IoT Based Solar Powered System for Smart Field Irrigation with Real Time Surveillance for Smart Agriculture in Bangladesh
Abstract: Agriculture is the essential source of livelihood for people in Bangladesh. It plays major part in economy of the nation. In Bangladesh about 75% of population depends upon agriculture and one third of the country’s income comes from agriculture. Issues concerning agriculture have been continuously ruining the improvement of the nation. But at present due to movement of individuals from countryside to urban there is obstacle in agriculture. On the …
Published in International Journal of Electrical Power System and Technology · Vol. 6, Issue 2, 2020 · pp. 31–37 Read article
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Analyzing the Probable Solutions of the Effects on Electrical Grid Emerged from EV Charging
Abstract: Electric vehicles are one of the most trending issues in the power system network. Many developed countries have already set their plan to develop corresponding infrastructures to handle the forthcoming huge EV load in the power system. A study has shown that in Britain within 2050, 70% of the vehicles would be converted to electric vehicles. In Bangladesh, electric vehicles are not widely used though, but a good number of …
Published in International Journal of Electrical Power System and Technology · Vol. 6, Issue 2, 2020 · pp. 47–59 Read article
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Analysis of Different Methods used in Reactive Power Compensation: A Review
Abstract: This paper is an overview of the different technologies used in reactive power compensation. Generally, the compensation of reactive power is due to two reasons. The first is to compensate for load and secondly for voltage support. To improve voltage regulation, stability in transmission and distribution system and also to improve power factor Var compensator and Var generators used. Many types of self-commuted generators and various new technologies with lots …
Published in International Journal of Electrical Power System and Technology · Vol. 7, Issue 1, 2021 · pp. 1–12 Read article
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Simulation and Design of Closed Loop Controlled Buck - Boost Converter
Abstract: In this paper we propose to model some practical power electronic converters used in the intermediate power conversion process for e.g. wind, solar, and battery system. The small-signal models are derived from the differential equations. Based on the models, simulation and experimental results is be provided to validate the proposed controllers. A mathematical and simulation model of a practical Buck-Boost converter is developed, it will be employed for closed loop …
Published in International Journal of Electrical Power System and Technology · Vol. 7, Issue 1, 2021 · pp. 13–23 Read article
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Power Quality Enhancement in a Distribution Network using allocation of D-STATCOM
Abstract: Modern power clients are getting truly caring with respect to the norm of the power, that will be conveyed to it. Speedy enhancements in current time are upgrading the office quality concerns. As we realize that with time not just the interest of amount of force has expanded yet in addition the nature of the force is worried by customers and the utilities, and the explanation being the rising necessity …
Published in International Journal of Electrical Power System and Technology · Vol. 7, Issue 1, 2021 · pp. 34–42 Read article
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Power System Faults and Short Circuit Analysis in Balanced and Unbalanced System Considering Renewable Integration: Review
Abstract: Electrical energy scenario is consistently changing every decade drifting more towards the renewable energies then conventional thermal power generating stations. The availability of good quality power at economic considerations is the motive of the nowadays generations. To maintain the voltage or frequency and reliable supply in distribution of power requires the reliable protections equipment’s and their coordination. The function of the protection system is to identify and segregate the unhealthy …
Published in International Journal of Electrical Power System and Technology · Vol. 7, Issue 2, 2021 · pp. 8–14 Read article
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Problems of Power Quality and their Improvement Techniques
Abstract: Power Quality Issues Have Become a Critical Challenge in the field of electric power utilities and power system engineers today’s Environment. The apparatus utilised in power distribution are much sensitive to perturbation in the supply lines. Two-wire (single phase), three-wire (three phase without neutral), and four-wire (three phase with neutral) are utilised in ac power networks with nonlinear loads. Electric power filtration has grown more active in recent years an …
Published in International Journal of Electrical Power System and Technology · Vol. 7, Issue 2, 2021 · pp. 15–20 Read article
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Battery Charging System Based on the IoT
Abstract: In this Paper, a smart microgrid system's battery operation and performance were tracked using a battery charging system based on the internet of things (IoT). Due to the shifting global geography of electrical distribution and consumption, energy storage systems (ESS) are among the electrical power systems with the fastest rising market share. Traditional monitoring, detection, and optimization techniques for battery modules have drawbacks, such as a challenge balancing charging speed …
Published in International Journal of Electrical Power System and Technology · Vol. 8, Issue 2, 2022 · pp. 1–8 Read article