All articles
128 articles
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Design and Testing of Transformer Protection System in Substation
Abstract: This study proposes a methodology and guidelines for distribution engineers to show that by testing and auditing of DTs, a generalized computer program is used to evaluate any given DTs system. This results in improving the stability as well as energy handling capacity of the system at minimum cost. A distribution network is selected for rehabilitation on the basis of certain planning criteria such as voltage drop, power loss equipment …
Published in International Journal of Electrical Power System and Technology · Vol. 5, Issue 1, 2019 · pp. 17–23 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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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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Intelligent Smart Battery-Based Storage for Wind Generator and Photovoltaic Systems
Abstract: In this paper, an intelligent savvy battery-based storage (BBS) system for wind generator (WG) and photovoltaic (PV) frameworks has been presented. The BBS is made out of an asymmetric cascaded H-bridge multilevel inverter (ACMI) with staircase regulation. The structure is parallel to the WG and PV frameworks, enabling the ACMI to have a decrease in power misfortunes contrasted with the typical solution for capacity associated at the DC connection of …
Published in International Journal of Electrical Power System and Technology · Vol. 4, Issue 2, 2018 · pp. 12–27 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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A Short Review on Energy Crisis in Pakistan and Sustainable Energy Solutions
Abstract: Energy plays an important role in the economy of a developing country like Pakistan. Energy crises have become a major issue all over the world. World population is increasing and the conventional energy resources are decreasing day by day. Pakistan unfortunately has a wide gap between energy production and requirement. The government of Pakistan must take some wise decisions to narrow this gap. Pakistan is a blessed country with different …
Published in International Journal of Electrical Power System and Technology · Vol. 4, Issue 2, 2018 · pp. 1–11 Read article
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Service and Maintenance (S&M): Challenges, Issues and Concerns in Electrical and Electronics Industry
Abstract: The purpose of this short note is to present the service and maintenance aspects, issues, concerns and challenges by reviewing the present literature, providing insights and procedures leading to the strategies of business models. The fundamentals of service and maintenance (S&M) in the electrical and electronics industries have been identified and highlighted with modern techniques and systems incorporating the “smart sensors”, life extension programmes for equipment and instruments. The impact …
Published in International Journal of Electrical Power System and Technology · Vol. 4, Issue 2, 2018 · pp. 28–31 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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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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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 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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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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Modelling of Distance Relays and Impact of TCSC on the Protection of Long Distance Transmission Lines
Abstract: Power system protection is one of the most important and exciting topics, which has been attracting the attention of both academic institutions and utilities ever since the power systems came into being. For the proper operation of the power system, an effective, efficient and reliable protection scheme is desirable. The power system components, which include synchronous machines, bus bars, transformers, transmission lines, distribution systems consisting of complex as well as …
Published in International Journal of Electrical Power System and Technology · Vol. 4, Issue 1, 2018 · pp. 1–15 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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Advanced Power Grid
Abstract: The electric power transmission systems of tomorrow must incorporate advanced hardware and software technologies to increase reliable long-distance power transfer. While new hardware technologies can improve transmission system capabilities, software technologies are also needed to coordinate these hardware technologies safely, securely, and effectively. To prevent system failures, future transmission systems must integrate advanced hardware and software technologies across new and existing facilities, allow revolutionary improvements in power grid utilization, and …
Published in International Journal of Electrical Power System and Technology · Vol. 3, Issue 2, 2017 · pp. 16–22 Read article
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Enhancing Efficiency Hybrid Power Generation System Using Wind Energy and Solar Energy
Abstract: Hybrid energy system is the mixture of two energy sources for giving power to the load. So that the power can be utilize where it generated so that it will reduce the transmission losses and cost. Cost reduction can be done by increasing the production of the equipment. People should motivate to use the non-conventional energy resources. It is highly safe for the environment as it does not produce any …
Published in International Journal of Electrical Power System and Technology · Vol. 3, Issue 2, 2017 · pp. 12–15 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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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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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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TRENDING TECHNOLOGIES IN POWER ELECTRONICS FOR WIND TURBINE SYSTEM
Abstract: Renewable energy is energy which comes from the natural resources such as from sunlight, wind, rain, Tides and geothermal heat. These resources are renewable and can be naturally replenished. Therefore, for all the practical purposes, these resources can be considered to be inexhaustible, unlike dwindling conventional fossil fuels. The global energy crunch has provided a renewed impetus to the growth and development of Clean and Renewable Energy sources. Clean Development …
Published in International Journal of Electrical Power System and Technology · Vol. 3, Issue 1, 2017 · pp. 48–54 Read article