high voltage IEEE PAPERS AND PROJECTS-2020
High voltage is defined by the DOE Electrical Safety Guidelines as over 600 volts. Generally considered to be a wire or cable with an operating voltage of over 600 volts. Any electric potential capable of producing breakdown in air at STP, or around 600volts. A voltage higher than that used for power distribution.
Conventional Electrolyte and Inactive Electrode Materials in Lithium-Ion Batteries: Determining Cumulative Impact of Oxidative Decomposition at High Voltage
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High voltage electrodes based on, for example, LiNi0. 5Mn1. 504 (LNMO) active material require oxidative stability of inactive materials up to 4.95 V vs. LijLi+. Referring to literature, they are frequently supposed to be unstable, though conclusions are still controversial and
Switched capacitor-based high voltage multiplier with 220V@ 50Hz input for generating underwater shockwaves
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Non-thermal food processing using underwater shockwaves is a cost-effective technology for preserving food items with minimal impacts on their nutritious property. In order to generate underwater shockwaves, a high voltage multiplier is the major element for system
Flexible, high voltage ion-conducting composite membranes with 3D aramid nanofiber frameworks for stable all-solid-state lithium metal batteries
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The practical application of solid polymer electrolytes in highenergy Li metal batteries is hindered by Li dendrites, electrochemical instability and insufficient ion conductance. To address these issues, flexible composite polymer electrolyte (CPE) membranes with three An original electric transformer was developed. The transformer generates a high AC voltage from a low- voltage AC. The input AC voltage generates an axial vibration in the electrodynamic actuator. The axial vibration is transmitted to piezoelectric crystals which are CoFeB/MgO/CoFeB-based perpendicular magnetic tunnel junction (pMTJ) has attracted great interest for use in magnetic random-access memory (MRAM) . Current-induced magnetic fields or spin-transfer torque (STT) are conventionally used for the writing process
High efficiency high voltage gain boost converter using zero crossing switching multi-stage voltagelift cells
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A non-isolated high efficiency, high voltage step-up gain boost converter is proposed in this paper. A series of multi-stage voltagelift cells with simple diode-capacitor-inductor configuration is used to provide very high voltage gain for the conventional boost converter
Fast and stable Mg 2+ intercalation in a high voltage NaV 2 O 2 (PO 4) 2 F/rGO cathode material for magnesium-ion batteries
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Sluggish kinetics of Mg2+ intercalation and low working potential seriously hinder the development of highenergy-density magnesium-ion batteries (MIBs). Hence developing cathode materials with fast Mg2+ diffusion and high working voltage is a key to overcome
A Non-Isolated High VoltageGain DC-DC Converter with Modified Greinacher Voltage Multiplier in DCM
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This paper presents the analysis and design of a non-isolated two-phase interleaved boost dc dc converters in discontinuous-current modes (DCM). This topology in the DCM can easily achieve a higher voltage gain with a reasonable duty ratio compared to continuousBackground We imaged the corticospinal tract (CST) and corticoreticular pathway (CRP) using diffusion tensor tractography (DTT) to evaluate the cause of muscle weakness in a patient who was exposed to high voltage electricity. Case presentation A 39-year-old man Extending the working voltage is an effective approach to enhance the reversible capacity of LiNi 1-xy Co x Mn y O 2 layered oxide cathode materials. However, the layered Ni-rich LiNi 0.8 Co 0.1 Mn 0.1 O 2 cathode suffers a severe structural instability and rapid capacity The air pollution level of particulate matters in subway tunnel environments is severe. The present study conducted experimental measurements and analyses on dust-collection efficiencies and ozone emission rates in a lab-scale wind tunnel to determine a high voltage In this study, the spray-drying technique was used to apply a 0.5 at%, 1 at%, and 1.25 at% of lithium lanthanum zirconium tantalum oxide (Li 6.75 La 3 Zr 1.75 Ta 0.25 O 12) powder coating on the surface of lithium cobalt oxide (LiCoO 2) cathode materials. Subsequently Abstract Functionalized ionic liquid 1-cyanopropy-1-3-methylimidazoliumbis ( trifluoromethanesulfonyl) imide (CPMIMTFSI) was synthesized as an electrolyte additive for high voltage Li-ion batteries to improve the voltage resistance of carbonate-based
HIGH VOLTAGE AC CONTROL OF SMA WIRES
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Alternating voltage is available in many environments for actuators. Due to the fact that a lot of actuators cannot directly handle this type of supply voltage such as shape memory alloy (SMA) actuators, the voltage is usually converted to direct current. In the case of SMAIn this paper, the dual-modified LiNi 0.8 Co 0.1 Mn 0.1 O 2 via Gd 2 O 3 is successfully obtained by the solid-state method. The phenomenon of Li/Ni cation mixing and structural stability of materials has been improved after Gd 2 O 3 modification. Additionally, the lower Abstract Flexible MnO 2 CNTs cellophane electrode was easily fabricated via addition of NaHCO 3 in matrix of manganese dioxide-carbon nanotubes-cellophane composite followed by selective etching of NaHCO 3 in acidic solution to produce a porous network
HIGH VOLTAGE DEPOSITION OF GRAPHENE COATING ONTO METAL SUBSTRATE TO PREPARE SUPERCAPACITOR ELECTRODES
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The present work proposes a technology for obtaining of graphene and its deposition as nanolayer onto aluminium substrate. The essence of the technology is the deposition of nano-graphene coating onto the electrically conductive part of the electrode by generation of
Coupling Alkaline Conversion Zn Anode with Acidic Proton-insertion MoO3 Cathode for High voltage Aqueous Rechargeable Hybrid Battery
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Hydrogen ions (H+) and hydroxide ions (OH-) are regarded as ideal charge carriers for rechargeable batteries thanks to their small size, high ion mobility, low cost, and wide exibility compared to the metal ions. However, the implementation of storage of both H+ and
Solid Electrolyte Li1. 4Al0. 4Ti1. 6 (PO4) 3 as Coating for High Voltage Spinel LiNi0. 5Mn1. 5O4 Cathode Material
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A high voltage spinel lithium manganese oxide LiNi0. 5Mn1. 5O4 (LNMO) was coated with solid electrolyte Li1. 4Al0. 4Ti1. 6 (PO4) 3 by a sol-gel method. The experimental samples were characterized by scanning electron microscopy, transmission electron microscopy, X A the high voltage divider for pulsed signals was developed for multichannel DAQ-system of the LIA-20 linear induction accelerator. The divider satisfies a range of requirements: a range of operating voltages up to 30 kV, a 30 MHz bandwidth, accuracy and stability
Design and Construction of Zero Voltage Switching Flyback Converter as a High Voltage Power Supply for Electrospinning
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The process of electrospinning is the distributing of electrospun solution from the tip of the needle, then applying high voltage potential between the tip of the needle and target. In recent years, the researches on one-dimensional nanofiber materials are interested all over The results of investigation of the current- voltage characteristics (CVCs) and electron beam generation efficiency in continuous discharges in helium, its mixtures with oxygen and nitrogen, as well as in pure oxygen and helium are presented. Peculiarities of CVCs are Medium and high voltage DC grids are increasingly proposed for terrestrial, shipboard and aircraft power systems. However, multi terminal DC networks can only be realized with the development of a DC circuit breaker. Due to the difficulty in breaking DC currents, hybrid
Dye removal and disinfection in one reactor by non-pulsed high voltage current using iron, aluminum and copper electrodes
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abstract Electrocoagulation and high voltage disinfection are two effective methods to remove dye and microorganisms. Existing electrocoagulation procedures use low voltage less than 100 V, and disinfection procedures utilize pulsed high voltage current. This study Fractures associated with electrical injury are mainly caused by high voltage electricity. Electricity is able to damage tissue in many ways such as direct mechanical injury, heat production by the current, and muscle contraction. Spinal column fractures due to direct
LOW COST HIGH VOLTAGE POWER LINE BREAKS ALERT SYSTEM
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Broken and hanging live power lines are hazards for human as well as animals lives. This paper describes the design of power line break alert system. The system alerts the power distribution company through the SMS so that they can shut down the line power, whichThe influence of proton irradiation at high temperatures ( hot irradiation) on the capacitance voltage and current voltage characteristics of semiconductor devices based on silicon carbide has been studied for the first time. The experiments were performed on commercialMarx generators can generate high voltage pulses using several, similar stages that run at a fraction of the total output voltage without the need for a stepup transformer that limits pulse rise times and decreases device performance. Every stage in Marx involves a network
Stable Hybrid Polymer-Lipid Membrane for High Voltage Biological Nanopore Experiments
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A biological nanopore is typically a protein-based transmembrane channel that can be used to sense molecules and read DNA/RNA sequences efficiently and accurately, therefore gaining strong academic and industrial interest worldwide. The most common platform
Multiplexed Molecular Counters using a High Voltage Transmembrane Pore Platform
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Synthetic andBiological nanopores have been used as powerful platforms for label-free detection and identification of a spectrum of biomolecules, which are used in applications that range from biosensing, single-molecule biophysics, and DNA/RNA sequencingExtra high voltage air duct is cables connected to a very high tower. Extra high voltage air duct transmit electrical energy with the power of 500 kV. In channeling electricity is an induction. Induction detection is possible by using a solenoid. The solenoid detection results
OPTIMIZATION AND RESEARCH OF HIGH VOLTAGE VOLTAGE CONVERTER CIRCUITS FOR PLANT SPRAYING SYSTEMS WITH ELECTROAEROSOLS
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S Antonov, A Adoshev, I Sharipov, A Ivashina tf.llu.lv The methods of the electroaerosol technology are based on the use of electrostatic field forces and the properties of electric discharge in gases in technological processes. In agriculture, the use of electroaerosols has been used to protect plants. High voltage devices various applications. This paper proposes a new high voltage gain DC DC converter using a coupled inductor and VM cell The high voltage gain in isolated converters is obtained by setting a high turns ratio in a transformer. It leads
Measures and technical means for increasing efficiency and reliability of extra high voltage transmission lines
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Electromagnetic transients are considered in the implementation of three-phase automatic reclose on the transmission line of extra high voltage 750 kV. The influence of automatic shunting of phases and pre-insertion active resistance for limiting the characteristics of the This paper, going to propose a high voltage gain switched capacitor based boost DC to DC. For reducing the stress of the diodes, MOSFETs and conduction loss on the switches, uses small duty cycle. This converter has an advantage of high voltage gain and a simple
Perspective on emerging materials for high voltage applications
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The Paris Agreement aims to strengthen the global response to the threat of climate change by keeping a global temperature rise this century well below 2 C above pre-industrial levels and to pursue efforts to limit the temperature increase even further to 1.5 C. . To reach Parameters of pulsed electric discharges arising between insulated metal parts of helicopter rotor blades, which generate electromagnetic interferences for onboard radio stations operating in the very short wave (VSW) and ultrashort wave (USW) bands have been
Electromagnetically Coupled Charging for Monitoring Devices near 110 kV High Voltage Transmission Line
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There are cases when photovoltaic panels in combination with built-in batteries fail to provide power supply and there is no possibility to connect the power supply of the device to supply network due to, eg, restrictions placed by regulations or unavailability of the supply
SWITCHING RESOURCE OF HIGH VOLTAGE SWITCHES TAKING INTO ACCOUNT THE QUANTITY AND QUALITY OF REPAIRS
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High voltage switches used in modern electrical systems and substations are among the most important switching devices, the reliability of which largely depends on a stable power supply to consumers in both normal and emergency modes. In this regard, the issues of
State of Research on Effects of Cloud to Ground Lightning Transients on High Voltage Polymeric Insulated Power Cables
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Lightning continues to possess threats to the reliable supply of electrical energy by causing damages to electrical equipment. Lightning transient causes outages either by directly hitting electrical equipment or by the electromagnetic interference induced by it upon hitting
Earth Fault Distance Measurement on Series Compensated High Voltage Transmission Line Using Line Differential Equations
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In this research earth fault distance in series compensated high voltage transmission line has been measured. Series capacitor is used to increase transmission line transfer capabilities and also increase stability margin, but when series capacitor is installed with
DISTRIBUTION AND MAINTENANCE OF VEGETATION ADJACENT TO HIGH VOLTAGE TRANSMISSION LINES, SOUTHERN BRAZIL
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Vegetation is the main cause of power outages; therefore, it is fundamental to carry out maintenance to prevent the interruption of electric power. In general, the maintenance of transmission lines is performed without previous studies on floristic composition. In this The role of clustered particles in the formation of a secondary flow ( wake ) upon the outflow of gas into a rarefied medium in condensation modes is found out. The boundaries of the wake are found by comparing the spectral and photometric measurements. Possible
Detailed Modelling and Control of a Modular Multilevel Converter with Full-Bridge Submodules in a Multi-Terminal High Voltage DC Network
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The goal of this paper is to bring forward a detailed modelling method for modular multilevel converters, which use full-bridge submodules, in the context of multiterminal high voltage direct current networks. Moreover, great attention is given to the process of converter
Applications of High voltage Resistor Based on Saline Solution in High voltage Impulse Generation and Measurement
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This paper presents applications of high voltage (HV) resistors based on saline solution for HV impulse generation and measurement. The electrical resistivity and relative permittivity of saline solution in the frequency range from 100 Hz to 100 MHz were investigated. The
Test Result Utilization in the Development Process of High Voltage SF6 Circuit-Breaker
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During the development tests of high voltagecircuit-breakers (HVCB), the manufacturers obtain a large amount of information regarding the behavior and parameters of the equipment. Such valuable conclusions can be deduced from processing, analyzing and
A Modified High Voltage Gain Quasi-Impedance Source Coupled Inductor Multilevel Inverter for Photovoltaic Application
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The quasi-impedance source inverters/quasi-Z source inverters (Q-ZSIs) have shown improvement to overwhelmed shortcomings of regular voltagesource inverters (VSIs) and currentsource inverters (CSIs) in terms of efficiency and buck-boost type operations. The Q We designed and manufactured a 28-GHz electron cyclotron resonance ion source (ECRIS) to obtain a steady heavy-ion beam. The ECRIS consists of various equipment for beam extraction and transmission, such as superconducting magnet, electro static quadrupole
The Impact of the High Voltage Power Lines Coupling on the Railway Signaling System.
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Electromagnetic Compatibility (EMC) disturbance produced by power transmission lines (TL) near the railway installation can generate electromagnetic coupling between the high voltage power line and the signalization cables. In this paper, the voltage induced is
Effect of Thermal Conductivity of Coil Insulator Material on the Temperature Variation of High Voltage Motor
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It has been an on-going issue to develop a high voltage motor with high capacity and reliability. In this study, we investigated the effective coil insulator materials in terms of thermal conductivity. To quantify the contribution of the coil insulator material, two different
HIGH VOLTAGE POLYMER LINE INSULATOR AS FIBRE OPTIC POWER AND DATA TRANSMITTER
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The measurement technique used in modern high voltage networks is currently marked by a transition from the classical, inductive or capacitive analog systems to the nonconventional systems based on embedded or hybrid sensors and digital fiber optic transmissions. The The specal features of the use of current-limiting devices based on hightemperature superconductivity (HTSC CLD) in high voltage electrical grids are presented. Separate installation of an HTSC CLD and jointly with a current-limiting reactor (CLR) is consideredThis topic presents a non-isolated high voltage gain boost converter with fault diagnosis and fault-tolerant operation. The converter is made to work by adding an extra inductor to a conventional 3-level-boost (TLB) converter. The traditional TLB converter is commonly used
The origin of heavy element doping to relieve the lattice thermal vibration of layered materials for high energy density Li ion cathodes
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heavy dopant Sb, which exhibits similar phase transition inhibition effects, are also provided in the ESI.† We believe that this heavy-element doping strategy can be applied to most of the other layered structure cathodes through its stabilization during high voltage operation
Electronic Design Automation (EDA) Tools and Considerations for Electro-Thermo-Mechanical Co-Design of High Voltage Power Modules
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Recent developments in EDA tools for power electronics modules have led to simultaneous analysis and optimization of package features with regard to electro-thermal and thermo- mechanical aspects. In this work, two of these EDA tools, PowerSynth and ParaPower, are
Power system diagnostic condition monitoring of transformative intrinsic algorithm based unified power flow control in high voltage grid system analysis
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Nowadays, Power system stability analysis is essential to ensure reliable and continuous service to consumers. The problem of the poorly damped low-frequency of the power systems oscillations has been an issue of concern to the power transmission system for a
High voltage Driver with a Switch-capacitor Cell and a Current-sensing Resister for Implementing Functions of Zero- voltage Switching and Overcurrent
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In this paper, a high voltage driver with a switch-capacitor cell and a current-sensing resistor for implementing the functions of zero- voltage switching (ZVS) and overcurrent protection is proposed. It has the following advantages:(1) By using a switch-capacitor cell for
Resource Leveling Optimization in Construction Projects of High Voltage Substations Using Nature-Inspired Intelligent Evolutionary Algorithms
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High Voltage Substations (HVS) are the intermediate step between production of power and successfully transmitting it to clients, making them one of the most important checkpoints in power grids. Nowadays-renewable resources and consequently distributed generation are In this paper, we ground a method for calculating switching overvoltages including the discharge of lightning currents into the contact network and into a high voltage power wire (HVPW) to isolate the contact network in the power supply system with the HVPW. It was The mechanism of diffusion in Al Si structures that arises during surface irradiation by off- electrode plasma of a high voltage gas discharge (discharge current and voltage are I= 50 mA and V= 4 kV, irradiation time varies from 90 to 600 s) has been investigated. A model to CSE PROJECTS