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141 articles for “DC current”
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An Overview on Energy Harvesting Using Piezoelectric Material for Wi-Fi Systems
Abstract: The rapid proliferation of wireless-networked devices has intensified the demand for sustainable, maintenance-free power sources that can keep small-scale Wi-Fi modules operational in hard-to-reach or infrastructure-limited environments. This study investigates the feasibility of harvesting ambient mechanical energy using piezoelectric transduction technology and directly feeding the harvested power to a low-power Wi-Fi communication subsystem. A compact energy-harvesting module was engineered from lead-zirconate-titanate (PZT) cantilevers with resonant frequencies tuned to the dominant …
Published in International Journal of Electro-Mechanics and Material Behaviour · Vol. 4, Issue 1, 2026 · pp. 56–63 Read article
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Design and Performance of Semiconductor-Biosensor
Abstract: In this work, a high electron mobility transistor (HEMT) based biosensor is designed to detect the virus-protein. In this work, all the simulation-studies are carried out in the SILVACO-ATLAS physical simulator using the following models: Shockley Read Hall (SRH), band gap narrowing, Auger recombination, and Fermi Dirac statistics. Newton trap numerical solver is used in the device simulation. Conduction band engineering of the biosensor is studied. DC and RF properties …
Published in Journal of Semiconductor Devices and Circuits · Vol. 8, Issue 2, 2021 · pp. 1–13 Read article
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Detection of Stator Winding Faults Using Finite Element Analysis (FEA) in BLDC Motors
Abstract: Detection of eccentricity faults has been feasible using physical and vibrational parameters. The Brushless DC motor is undergoes various kinds of stresses including mechanical, electrical, thermal, and environmental. These stresses increase the probability of occurrences of stator faults with various severity levels. The well maintained BLDC motor and correct operations decrease the probability of occurrences of faults. These faults are of three types as damage in laminations, damage in frame …
Published in Trends in Mechanical Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 82–90 Read article
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Sensorless Direct Power Control of Brushless DC Motor Drive using Unknown Input Speed Observer
Abstract: This paper proposes the speed control of brushless DC (BLDC) motor via direct power control (DPC) method as a novel and effective strategy in electrical drives applications. The DPC has some advantages rather than other control methods of BLDC motor including simpler control algorithm and faster dynamic response. In proposed BLDC motor drive based on DPC strategy, space vector modulation (SVM) voltage source inverter is employed. To enhance the drive …
Published in Journal of Control & Instrumentation · Vol. 6, Issue 3, 2015 · pp. 31–41 Read article
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Dynamic Analysis of the Proposed Bi-directional Converter for Charging and Discharging Operation
Abstract: AbstractThis paper proposes a fifth order bi-directional converter configuration with low current ripple on either side as well as good voltage conversion range having only three switches. This converter is implemented for load power levelling between a DC grid and secondary batteries. A comparative study of proposed topology with widely used bi-directional converter configurations is made and relative merits and demerits are pointed out. With state-space and discrete-time modelling techniques, …
Published in Journal of Semiconductor Devices and Circuits · Vol. 4, Issue 2, 2017 · pp. 41–51 Read article
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Development of a Soft Computing-Based Island Detection System and Performance Analysis
Abstract: There has been an overestimation of the global energy consumption in the last few years. Distributed Generators are being propelled forward by the motivation provided by the absence of suitable transmission capacity, exaggerated transmission and distribution mishaps, and the release of power marketing (DGs). It's a distributed age unit (DG slash hack expansion) and regional units linked to distribution that power the system, which has yet to have hundreds of …
Published in Journal of Semiconductor Devices and Circuits · Vol. 8, Issue 3, 2021 · pp. 1–15 Read article
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Study of Efficient HVDC Boost Converters: Design Challenges and Solutions
Abstract: The boost converter is a fundamental circuit topology in power electronics, widely used for voltage step-up applications. This article explores the design principles, operational characteristics, and performance analysis of boost converters. It delves into key components such as the power switch, inductor, capacitor, and control circuitry, elucidating their roles in achieving efficient voltage conversion. The use of a high voltage direct current (HVDC) boost converter for bug zapper purposes is …
Published in Journal of Control & Instrumentation · Vol. 15, Issue 3, 2024 · pp. 42–48 Read article
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Fuel Cell-Powered SRM Driven Plug-in Hybrid Electric Vehicle Using Multi-Port Topology
Abstract: AbstractIn recent years, plug-in hybrid electrical vehicles (PHEVs) have received much attention owing to high demand of fuel efficiency and environment protection against the exhaust gas emission. PHEVs combines the merits of the electrical vehicles and hybrid electrical vehicles. In current hybrid vehicles there are three main electrical energy components including generator, battery bank and driving motor, respectively. For plug-in hybrid electric vehicle, an AC-DC converter is also needed to …
Published in Journal of Instrumentation Technology & Innovations · Vol. 9, Issue 3, 2019 · pp. 40–52 Read article
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Radio-Frequency (RF) Energy Transfer and Harvesting Techniques with Rectifier and Antenna
Abstract: Electromagnetic energy has an important role in power and energy industry. As the demand for power increases, need for alternate energy sources are essential. Radio frequency (RF) energy transfer and harvesting techniques becomes one of the solutions. Basic RF harvesting circuit consists of three elements. This can be achieved by using a rectenna combination of rectifier and antenna. The antenna is to receive RF signal and rectifier to convert RF …
Published in Journal of Communication Engineering & Systems · Vol. 10, Issue 1, 2020 · pp. 1–5 Read article
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Maximum Power Tracking using PI Controller in Photovoltaic System
Abstract: Maximum power point trackers are efficient enough to enhance an efficiency of the photovoltaic system. So many methodologies have been proposed up to this date to achieve maximum power. PV modules are capable of generating maximum power under diverse atmospheric conditions. The base paper proposed an MPPT (Maximum Power Point Tracking) algorithm that based on fuzzy logic for a solar system. The solar panel is analyzed and then simulated by …
Published in Journal of Power Electronics and Power Systems · Vol. 10, Issue 2, 2020 · pp. 22–27 Read article
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High Gain High Efficiency Single Switch DC–DC Converter for Green Power Source Conversion
Abstract: Efficiency of solar cell is very low and it is preferred to be operated at low voltages; so it is difficult to supply power to a certain load. Conventional boost converter offers limited gain. So a high voltage boosting is needed. Proposed converter consists of coupled inductor and switched capacitor technique to achieve high gain without high duty ratio and turns ratio. In the magnetic field of coupled inductor and …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 3, 2018 · pp. 46–56 Read article
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Design and Implementation of a Four-Port DC to DC Converter for a Hybrid Energy System
Abstract: A four-port DC-DC converter has been developed for integrating a hybrid energy from renewable sources system into an AC microgrid. This converter is particularly suitable for AC microgrid applications that require system-level power management. It boasts a straightforward design, making it effective for interfacing sources with varying voltage and current characteristics. The converter is created to connect a battery bank, a photovoltaic (PV) panel, a wind turbine, and an inverter, …
Published in International Journal of Electro-Mechanics and Material Behaviour · Vol. 2, Issue 2, 2024 · pp. 47–60 Read article
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Theoretical and Experimental Analysis of PMDC Motor in Hybrid Electric Vehicles
Abstract: In this modern world the applications of the electric motors have been very tremendous. The Auto mobile world is now switching from IC engine technology to hybrid electric technology. There has been enormous usage of high capacity electric motors in heavy load vehicles but a very small amount of work has been done in the sector of low load carrying vehicles like Hybrid electric rickshaw. Thus in this discussion we …
Published in Journal of Automobile Engineering and Applications · Vol. 9, Issue 2, 2022 · pp. 8–19 Read article
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Power Factor Improvement in BL-Pseudo Boost Converter-based BLDC Motor Drive
Abstract: Power factor correction (PFC) system increases the efficiency of power supply, delivering cost savings on electricity. Exchanging power supplies without PFC attract current short, high greatness beats. The beats can be smoothed out utilizing dynamic or inactive PFC procedures. This improves the power factor. A Bridgeless (BL) Pseudo boost converter is used for power factor correction in Brushless DC Motor (BLDC) drive. This converter working in spasmodic conduction mode (DCM) …
Published in Journal of Control & Instrumentation · Vol. 10, Issue 2, 2019 · pp. 40–49 Read article
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Different Types of Control Grid in Solar System
Abstract: This paper gives a concise prologue to photovoltaic (PV) systems, with an emphasis on those that interface with the current electrical grid. The solar modules, intersection box, on-grid inverter, principal board, AC separate, net meter, and electrical grid are only a portion of the parts examined. It represents the qualities of the numerous assortments of solar cells utilized in PV transformation, including monocrystalline, polycrystalline, and undefined silicon cells, and their …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 14, Issue 2, 2024 · pp. 1–7 Read article
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An Effective Convolutional Neural Network for Identifying Cancer Blood Disorder Cells Using Microscopic Images
Abstract: Blood, bone marrow, and lymphatic systems are all impacted by hematological cancer is known as a cancer blood disorder. Blood malignancies and various blood disorders pose significant health challenges across all age groups. Early disease detection is essential for effective cancer blood disorder treatment and management. If a blood cancer is not identified in time, it may be hazardous. It results in abnormal white blood cell production by the bone …
Published in Research and Reviews: Journal of Oncology and Hematology · Vol. 13, Issue 2, 2024 · pp. 29–35 Read article
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Power Quality Improved AC-DC Sepic converter Used for Welding application
Abstract: Abstract— In this paper high frequency isolated ac-dc single phase single ended primary inductance converter (SEPIC) are proposed. Due to use of HF transformer more gain and high power is obtain. Proposed converter offers increased gain which is step-down in nature having less stress on current and also high efficiency. This paper described analysis modeling, and simulation of proposed converter. The performance is described in terms of power quality like …
Published in Recent Trends in Electronics Communication Systems · Vol. 6, Issue 1, 2019 · pp. 24–30 Read article
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Optimization Of Mechanical Properties Of 500/7 Grade Ductile Cast Iron (DCI) By Using SMAW: Applications In Reinforced Composites And Thermoplastics Through Taguchi & GRA
Abstract: Welding, a critical manufacturing process, is broadly engaged to join metals and thermoplastics using heat, pressure, or both. This study inspects the Shielded Metal Arc Welding (SMAW) method to optimize welding parameters and improve the mechanical properties of Ductile Cast Iron (DCI) grade 500/7, a material widely used in high-strength and thermal conductivity applications in aerospace and automotive sectors. Using an L9 OA (orthogonal array), experiments were conducted on nine …
Published in Journal of Polymer & Composites · Vol. 13, Issue 2, 2025 · pp. 204–222 Read article
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Signal Modeling, Control and Simulation of Boost Converter Using PV Cell
Abstract: DC-DC converters are switched power converters. They are used to convert one DC voltage to another DC voltage. It is inordinately used in industry as well as in research. The model of the converter system varies from the ON state to the OFF state. The major drawback of the boost converter is the uncontrolled supply of voltage and current. So, a convectional PID controller is designed to regulate the output …
Published in Journal of Control & Instrumentation · Vol. 6, Issue 3, 2015 · pp. 23–30 Read article
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A High Frequency and Power Efficient Memristor Emulator and Its Application
Abstract: This study presents a small, energy-efficient memristor emulator made for use at high frequencies. The proposed circuit has a simple design that only includes three n-type MOSFETs and a grounded capacitor. This means that there is no need for active components or DC biasing. This streamlined architecture not only makes things easier, but it also uses very little power, with dynamic and static power measured at 15.82 μW and 65.6 …
Published in International Journal of Electrical and Communication Engineering Technology · Vol. 3, Issue 2, 2025 · pp. 45–52 Read article