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1992 articles for “Keywords”
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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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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 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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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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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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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 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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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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RFID and LASER Smart Security Password System
Abstract: The main goal of this project is to design and implement a bank locker security system based on RFID and LASER technology from bank technology which can be organized in bank, secured offices and homes. In this system, only authentic person can recover money from bank locker. We have implemented a bank locker security system based on RFID and LASER technology containing door-locking system using RFID and LASER which can …
Published in International Journal of Electrical Power System and Technology · Vol. 5, Issue 1, 2019 · pp. 42–48 Read article
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SCADA-Based Multi-drilling Mechanism by Using Sensors and Logical Operation
Abstract: Our project is auto conveyor system for industrial application by using multi-drill mechanism with PC screen control. The multi-drilling machining process is proposed for a cycle of drilling. The cycle process starts when the start switch is pressed; if the linear motor is put in place of the drilling head, in home position and then the rotary drill is rotated to bring the first work pieces to desired position. Keywords: …
Published in International Journal of Electrical Power System and Technology · Vol. 5, Issue 1, 2019 · pp. 33–41 Read article
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Online Server Based Monitor and Control of Industrial System Using PID with Coding
Abstract: In this system having heater mechanism with thermocouple, thermocouple will sense the temperature and will give the data to delta controller (after analog to digital conversion). After that, digital controller passes the data to PLC controller through RS-485. PLC programming will result in when temperature is low, heater will start and buzzer blows when limit exceeds, as well as when temperature is low, the heater will start again and the …
Published in International Journal of Electrical Power System and Technology · Vol. 5, Issue 1, 2019 · pp. 24–32 Read article
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Analysis of Reactive Power Compensation During Fault Conditions in Power System Using Simulink Model of SVC FACTS Device
Abstract: Flexible alternating current transmission system (FACTS) devices are capable of controlling the active and reactive power flows in a transmission line by controlling its series and shunt parameters. This work presents a review of comparison of different FACTS controllers in the power system for stability enhancement. The focus of this research is simulation of single-phase TCR (thyristor-controlled reactor)/TSC (thyristor switch capacitor) static VAR compensator (SVC) in MATLAB/SIMULINK to solve voltage …
Published in International Journal of Electrical Power System and Technology · Vol. 5, Issue 2, 2019 · pp. 1–12 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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Optical Sensor of Switched Reluctance Motor
Abstract: The objective of this study is to describe the importance of optical sensor in switched reluctance motor. It is used for turning on and off angles, as well as for turning on pulling the rotor to it. The optical sensor provides reliable rotor positions. The position measurements depend on the conditions of the operational environments. Optical sensor with robust structure and basic electromagnetic characteristics of a switched reluctance motor, can …
Published in International Journal of Electrical Power System and Technology · Vol. 5, Issue 2, 2019 · pp. 30–34 Read article
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A Review on Document DB Technology
Abstract: DocumentDB is another “Enormous Data” database motor made by Microsoft and oversaw as an service inside of their Azure Cloud structure (right now accessible in their Azure Preview Portal). It is a NoSQL report arranged database, which spares “Key-Value” sets of records. It is practically identical on a basic level to other NoSQL document-oriented databases, for example, MongoDB. A document arranged database is a kind of NoSQL database which is …
Published in International Journal of Embedded Systems and Emerging Technologies · Vol. 1, Issue 1, 2016 · pp. 1–8 Read article
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Missile Tracking and Detection Using SAR and MIMO Radar Signal Processing
Abstract: This paper presents a missile tracking and detection using SAR and MIMO Radar signal processing. SAR is a technique for computing high-resolution radar returns that exceed the traditional resolution limits imposed by the physical size, or aperture, of an antenna. By using Kaiser Window, the trade off exists between the main lobe width and the side lobe amplitude. Kalman filter is used to minimizing the maximum error between the frequency …
Published in International Journal of Embedded Systems and Emerging Technologies · Vol. 1, Issue 1, 2016 · pp. 39–47 Read article
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I–V Measurement System for Solar Simulator
Abstract: This paper deals with “I–V Measurement system for solar simulator”. In this paper, device developed is capable of handling solar cell model of open voltage from 6 to 60 V with the short circuit current upto 10 A. For the linear I–V characteristics measurement a linear current source from 0 to 2 A is resemble with a BJT amplifier and the measurement time for the current is 1 ms. In …
Published in International Journal of Embedded Systems and Emerging Technologies · Vol. 2, Issue 1, 2016 · pp. 5–10 Read article
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Study of ECG Signal by Using Different Order Kaiser Window and Neural Network
Abstract: The morphology of ECG signal has been used for recognizing much variabilitys’s of heart activity, so it is very important to get the parameters of ECG signal. In this paper used to design different order of FIR filter and Kaiser window techniques and result train by neural network. Keywords: ECG data signal, FDA tool, nn tool
Published in International Journal of Embedded Systems and Emerging Technologies · Vol. 2, Issue 1, 2016 · pp. 15–19 Read article
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An Exclusive Review on Content-Based Retrieval System
Abstract: The certain development in the ground of computer science engineering has carried a important rise of loading great quantity info (images) laterally with rise in dissimilar kinds of difficulty features. Thus the essential for effectual storing and reclamation of imageries has occasioned in procedure of having very great assembly of imageries from frequent fields like medicine, journalism, education, entertainment, advertisement, e-commerce etc. As extracting images from such large information base …
Published in International Journal of Embedded Systems and Emerging Technologies · Vol. 2, Issue 1, 2016 · pp. 20–24 Read article