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19 articles for “DC Electrical Resistivity”
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The Formation of Bi-2223 Superconductor with Fe-Substitution
Abstract: Presently, we have studied about synthesis and characterization of Bi-2223 Superconductors in the form of Bi2Sr2Ca3(Cu0.97Fe0.03)3O10+δ complex. The sample was established with solid state method and characterized by XRD, (FESEM) and (FTIR). The DC electrical resistivity of the sample was measured at liquid helium temperature. The XRD parameters shows the orthorhombic structure with lattice constant a = 5.7429Å, b = 5.0845 Å, c = 36.5569 Å and grain size confirm …
Published in Research & Reviews : Journal of Physics · Vol. 9, Issue 2, 2020 · pp. 32–41 Read article
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A New Approach of Synthesis Fe-Substituted Bi-2223 Superconductors
Abstract: Generally, the Bismuth based high temperature superconductors are utilizing in three phases as Bi-2201, Bi-2212 and Bi-2223. These have different transition temperature according to superconducting phase. Here, we studied about Bi-2223 phase by using complex Bi2Sr2Can-1 (Cu1-xFex)3O10+δ where n = 3. In this complex, we has been doped iron in Coper (Cu) site (x = 0.07%). This sample was prepared by solid state reaction method. The planetary Ball mill was …
Published in Research & Reviews : Journal of Physics · Vol. 10, Issue 3, 2021 · pp. 22–29 Read article
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Thevenin and Norton Resistance Using Time Domain Analyses Using Spice Simulations
Abstract: Thevenin and Norton equivalent circuits are of interest to circuit simulation designers and researchers. For the Thevenin resistance and Norton conductance determination of a network with available circuit theorems, the substitution network theorem (applied to OrCAD, SPICE, and Pspice AD simulation project) is shown to be suitable with the SPICE/ Pspice circuit simulation software. Instead of the DC option, the transient analyses option of SPICE is used to determine Thevenin/Norton …
Published in Current Trends in Signal Processing · Vol. 13, Issue 2, 2023 · pp. 8–18 Read article
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Automatic Zebra Crossing Using Arduino Uno
Abstract: This project primarily aims to lessen issues that arise when crossing roadways and effectively manage traffic. The collision avoidance system serves as the prototype for smart roadways. It is a project with a cutting-edge concept for road safety. Here, an Arduino UNO serves as the controller and is used to connect the servo motor, LED (traffic signals), and ultrasonic sensor. The major goal of the study is to control and …
Published in Journal of Microcontroller Engineering and Applications · Vol. 9, Issue 3, 2022 · pp. 19–23 Read article
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T-π Network Simulation and Thevenin- Norton Equivalent Circuit Values From Laplace Description Using Pspice Software
Abstract: From the conversion methods of T-π (star-delta) for impedances circuits, the behavioral modeling of Pspice simulation program is used to obtain equivalent circuits using LAPLACE option. The conversions are verified for two types of circuits by obtaining AC values of voltages and currents at various nodes and branches using Pspice computer simulations. There are many ways of expressing Thevenin/Norton equivalent circuit parameters such as (a) as real numbers for pure …
Published in Journal of Semiconductor Devices and Circuits · Vol. 9, Issue 2, 2022 · pp. 43–58 Read article
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Thevenin Impedance Networks for Spice Simulation Using Analog Behavioural Modelling
Abstract: PSPICE/OrCAD software analog behavioral modeling (FREQ) option is used to obtain equivalent circuits for Thevenin equivalent resistance to be used for three types of applications for different circuits (other different networks with these Thevenin models at DC), and Spice files are described to simulation circuits with AC analyses. Three different applications are useful in linear integrated circuits using DC Thevenin resistance of two networks are considered. Firstly, the DC Thevenin …
Published in Journal of VLSI Design Tools and Technology · Vol. 14, Issue 3, 2024 · pp. 39–46 Read article
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Wearable Rectenna Array for Wireless Power Transmission
Abstract: This paper explains about design of wearable antenna array which is used for receiving the microwave power transmitted at dual frequencies. Direct current power is obtained at the end of rectifying antenna or (Rectenna) composed with filter and Schottky diode. Proposed wearable antenna is designed on jeans textile as a substrate and copper foil tap as conducting material. The antenna array has the dual band resonating frequencies which are 4.65 …
Published in Trends in Electrical Engineering · Vol. 8, Issue 1, 2018 · pp. 59–64 Read article
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Design and Fabrication of Forearms Machine for Power Generation
Abstract: The goal of this project is to create a sustainable power source based on a piece of exercise equipment. This project attempts to concentrate on designing an energy producing gym equipment which is responsive to the course of action of an exercise machine for converting kinetic energy of the exercise gear into electrical power. During an exercise, the kinetic energy created by movement caused by the force imparted by the …
Published in Journal of Automobile Engineering and Applications · Vol. 9, Issue 1, 2022 · pp. 27–31 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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CONVERSION BETWEEN T-π OF NETWORKS USING PSPICE CIRCUIT SIMULATION
Abstract: Any passive network can be represented by their equivalent in either T-π (star-delta)model. From the conversion methods of T-π (star-delta) for resistive circuits, the behavioural modeling of Pspice simulation program, in which various mathematical equations could be represented by non-linear voltage/current dependent sources, is used to obtain equivalent circuits using DC option. The resistors are represented by their linear voltage/current relation. The zero voltage sources are used to measure currents …
Published in Journal of Semiconductor Devices and Circuits · Vol. 9, Issue 3, 2022 · pp. 9–14 Read article
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The Energization Transients of 6-Pulse Rectifier Circuits
Abstract: This paper addresses the energization transients of 6-pulse rectifier circuits. It applies anefficient representation of the diodes in order to describe their performance in both theforward and reverse directions. Without any loss of generality, the suggested method isapplied to the classical un-controlled six-valve full-wave rectifier bridge configuration. Theeffect of the load resistance, the eventual presence of smoothing shunt-capacitors and seriesinductors as well as the waveform of the supply voltage is …
Published in Journal of Power Electronics and Power Systems · Vol. 10, Issue 1, 2020 · pp. 18–30 Read article
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Spice Circuits for Optic Cellular Receiver Simulations
Abstract: A circuit-theoretic approach to the generation of equivalent circuit models of optoelectronic and integrated photonic receiver applications is presented, especially optical cellular receiver systems. In a conventional circuit, the parameters of nano-inductance, nano-capacitance, impedance and scattering (S) parameters can be effectively applied to the analog equivalent representation of a conventional circuit. In a fiber-optic system, those parameters can be used in an integrated photonics and optoelectronic and nanoelectronic circuit as …
Published in Trends in Opto-electro & Optical Communication · Vol. 16, Issue 2, 2026 Read article
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Modeling of The DFIG Wind Turbine
Abstract: This paper studies the power-speed characteristics and the fundamentals of wind electrical systems along with the modeling of the various wind turbine structures and simulation of the same using MATLAB-SIMULINK. It deals with the vector control and modeling of the Doubly-Fed Induction Generator (DFIG), which can maintain the DC link voltage. This paper focuses on the analysis of traditional decoupled d-q vector control approaches for control of DFIG wind turbines. …
Published in Trends in Electrical Engineering · Vol. 5, Issue 3, 2015 · pp. 114–118 Read article
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Underground Cable Fault Detector and Locator Using Arduino
Abstract: AbstractIn urban areas, electrical cables run underground instead of running over, because it does not get affected by any adverse effect of weather such as storm, snow, ice, heavy rainfall as well as pollution. While a fault occurs within the underground cable, it is difficult to detect the exact location of the fault for the repair process of the particular cable. This system can find the point of the exact …
Published in Journal of Multimedia Technology & Recent Advancements · Vol. 6, Issue 1, 2019 · pp. 19–27 Read article
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Electrodeposition and Magnetron Sputtering of Rhenium Coatings on Carbon-Carbon Composites for Enhanced Corrosion Resistance and Structural Integrity
Abstract: It is well known that tailored materials are gaining in-roads to aviation and other manufacturing industries where stringent requirements are to be met, due to high temperature erosion, which is a problem. In order to counter these issues, materials which can resist a very high temperature are to be sought. One of the several methods to combat this high temperature issue is to provide a metallic refractory material coating on …
Published in Journal of Polymer & Composites · Vol. 13, Issue 4, 2025 · pp. 35–44 Read article
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Solar Electric Powered Hybrid Vehicle
Abstract: The renewable energy is vital for today’s world as the nonrenewable sources that we are using are going to get exhausted in near future. The solar vehicle is a step in saving these nonrenewable sources of energy. The basic principle of Solar/Electric Powered Hybrid Vehicle (SEPHV) is to use energy that is stored in a battery during and after charging it from a solar panel. The charged batteries are used …
Published in Journal of Electronic Design Technology · Vol. 6, Issue 3, 2015 · pp. 9–16 Read article
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Equivalent Linear Circuit for Thevenin and Norton Representation Using Superposition Theorem
Abstract: Using superposition theorem and knowing the Thevenin representation consisting of resistor, independent DC source of a network an equivalent DC network is obtained using SPICE software with linear circuit elements and independent sources and is verified. Also, similarly from the Norton representation, equivalent circuit is obtained. A procedure with Pspice methods to obtain unknown circuit elements using reciprocity theorem is described. Possible examples for (a) only resistive networks and (b) …
Published in Journal of Semiconductor Devices and Circuits · Vol. 10, Issue 2, 2024 · pp. 1–6 Read article
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Orcad P-spice Modified Switches for Electrical and Electronic Circuits
Abstract: Voltage dependent switch and Current dependent switch are extensively used to obtain open/short circuit in various networks for various applications. PSPICE /OrCAD software analog behavioral modellings options and Spice dependent sources are used to obtain control equivalent circuits for switches (P-spice built-in models) to be used for two types of applications. Different circuits (at DC, time-domain), and Spice files are described to simulation circuits with analyses. The following features are …
Published in Journal of Semiconductor Devices and Circuits · Vol. 11, Issue 3, 2024 · pp. 27–45 Read article
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Corrosion Characterization of Silicon Carbide and Fly Ash Particulates Dispersion Strengthened Aluminium 5083 Composites
Abstract: Corrosion behavior of aluminium metal matrix composites is a major study aimed at evaluating the potential of using the materials for aerospace components. Aluminium 5083 is a specific class of alloy which is known for its corrosion resistance in extreme environments and is used in aerospace components. However, the studies on effect of reinforcements such as silicon carbide and fly ash on corrosion behavior of aluminium 5083 alloy has not …
Published in Journal of Catalyst & Catalysis · Vol. 4, Issue 2, 2017 · pp. 9–21 Read article