Alternating current ≈ Alternating current
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The effects of high frequency current ripple on electric vehicle battery performance Open
• Experimental study into the impact of current ripple on li-ion battery degradation. • 15 cells exercised with 1200 cycles coupled AC–DC signals, at 5 frequencies. • Results highlight a greater spread of degradation for cells exposed to A…
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Underwater wireless communication via TENG-generated Maxwell’s displacement current Open
Underwater communication is a critical and challenging issue, on account of the complex underwater environment. This study introduces an underwater wireless communication approach via Maxwell’s displacement current generated by a triboelec…
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A critical survey of technologies of large offshore wind farm integration: summary, advances, and perspectives Open
Offshore wind farms (OWFs) have received widespread attention for their abundant unexploited wind energy potential and convenient locations conditions. They are rapidly developing towards having large capacity and being located further awa…
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A Review on Properties, Opportunities, and Challenges of Transformer Oil-Based Nanofluids Open
The mineral oil or synthetic oil in conjunction with paper is mainly being applied as dielectric medium in many of the high voltage apparatus. However, the advent of high voltage levels such high voltage alternating current (HVAC) and high…
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Ultrafast Delamination of Graphite into High‐Quality Graphene Using Alternating Currents Open
To bridge the gap between laboratory‐scale studies and commercial applications, mass production of high quality graphene is essential. A scalable exfoliation strategy towards the production of graphene sheets is presented that has excellen…
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Advances in Alternating Current Electroluminescent Devices Open
Alternating current (AC)‐driven electroluminescent (EL) devices have recently attracted attention as potential alternatives to direct current (DC)‐driven organic light‐emitting diodes (OLEDs), as they have the great advantage of easy integ…
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A Comprehensive Review on Power Converters Control and Control Strategies of AC/DC Microgrid Open
Owing to the smart lifestyle, environmental consciousness, and dwindling fossil fuel supplies, there is a huge demand for clean and green energy. Microgrid (MG) is a crucial approach to renewable and clean energy. Because of the success of…
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Optimal Power Flow for AC–DC Grids: Formulation, Convex Relaxation, Linear Approximation, and Implementation Open
status: Published online
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Chemoselective (Hetero)Arene Electroreduction Enabled by Rapid Alternating Polarity Open
Conventional chemical and even electrochemical Birch-type reductions suffer from a lack of chemoselectivity due to a reliance on alkali metals or harshly reducing conditions. This study reveals that a simpler avenue is available for such r…
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Power dissipation in HTS coated conductor coils under the simultaneous action of AC and DC currents and fields Open
This paper presents a comprehensive alternating current (AC) loss study of a circular high temperature superconductor (HTS) coated conductor coil. The AC losses from a circular double pancake coil were measured using the electrical method.…
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Numerical modelling of dynamic resistance in high-temperature superconducting coated-conductor wires Open
The use of superconducting wire within AC power systems is complicated by the dissipative interactions that occur when a superconductor is exposed to an alternating current and/or magnetic field, giving rise to a superconducting AC loss ca…
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Alternating current electrospinning: The impacts of various high-voltage signal shapes and frequencies on the spinnability and productivity of polycaprolactone nanofibers Open
This study describes the application of a new technological parameter in the alternating-current (AC) electrospinning process for enhancing the electrospinnability and productivity of polycaprolactone (PCL) electrospun nanofibers (ENF). Hi…
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Hybrid AC/DC Transmission Expansion Planning Considering HVAC to HVDC Conversion Under Renewable Penetration Open
In this paper, a dynamic (i.e. multi-year) hybrid model is presented for\nTransmission Expansion Planning (TEP) utilizing the High Voltage Alternating\nCurrent (HVAC) and multiterminal Voltage Sourced Converter (VSC)-based High\nVoltage Di…
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An Overview of HVDC Technology Open
There is a growing use of High Voltage Direct Current (HVDC) globally due to the many advantages of Direct Current (DC) transmission systems over Alternating Current (AC) transmission, including enabling transmission over long distances, h…
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Simple and Precise Approach for Determination of Ohmic Contribution of Diaphragms in Alkaline Water Electrolysis Open
A simple and low-cost alternating current (AC)-based method, without electrolyte correction, is proposed (Electrochemical Impedance Spectroscopy (EIS)-Zero Gap Cell) for the determination of ohmic contribution of diaphragms. The effectiven…
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Comprehensive Comparisons between Directing and Alternating Current Electrolysis in Organic Synthesis Open
Organic electrosynthesis has consistently aroused significant interest within both academic and industrial spheres. Despite the considerable progress achieved in this field, the majority of electrochemical transformations have been conduct…
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State of the Art of Low and Medium Voltage Direct Current (DC) Microgrids Open
Direct current (DC) microgrids (MG) constitute a research field that has gained great attention over the past few years, challenging the well-established dominance of their alternating current (AC) counterparts in Low Voltage (LV) (up to 1…
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Alternating polarity for enhanced electrochemical synthesis Open
Improved synthesis through the use of alternating polarity.
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Distributed Optimal Power Flow in Hybrid AC–DC Grids Open
Distributed or multi-area optimal power flow (OPF) in alternating current (AC) grids is currently a subject undergoing intense study to cope with computational burdens in large-scale grids and to maintain self-control of a regional system …
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Alternating Current Loss of Superconductors Applied to Superconducting Electrical Machines Open
Superconductor technology has recently attracted increasing attention in power-generation- and electrical-propulsion-related domains, as it provides a solution to the limited power density seen by the core component, electrical machines. S…
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An Overview of Direct Current Distribution System Architectures & Benefits Open
This paper examines existing and future direct current (DC) distribution systems with a wide range of applications in data centers, telecommunication systems, commercial buildings, residential homes, electric vehicles, spacecraft, and airc…
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Controlling One- or Two-Electron Oxidation for Selective Amine Functionalization by Alternating Current Frequency Open
Here, we report a unique electrosynthetic method that enables the selective one-electron oxidation of tertiary amines to generate α-amino radical intermediates over two-electron oxidation to iminium cations, providing easy access to arylat…
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Parameterization of Water Electrooxidation Catalyzed by Metal Oxides Using Fourier Transformed Alternating Current Voltammetry Open
Detection and quantification of redox transformations involved in water oxidation electrocatalysis is often not possible using conventional techniques. Herein, use of large amplitude Fourier transformed ac voltammetry and comprehensive ana…
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Recent advances in flexible alternating current electroluminescent devices Open
Since its first discovery by Destriau in oil dispersion of ZnS:Cu phosphors, alternating current electroluminescence (ACEL) has found enormous applications in lighting, full-color displays, and optoelectronics. ACEL materials are particula…
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Investigation of AC losses in horizontally parallel HTS tapes Open
This paper presents an AC loss study of horizontally parallel HTS tapes. We proposed to use three parallel HTS tapes as an example. The AC losses of the middle and end tape of three parallel tapes have been measured using the electrical me…
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AC loss and contact resistance in REBCO CORC<sup>®</sup>, Roebel, and stacked tape cables Open
Many high-temperature superconductor (HTS) applications require superconducting cables with high currents while operating in an alternating magnetic field. HTS cables should be composed of numerous superconducting tapes to achieve the requ…
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Superconducting AC Homopolar Machines for High-Speed Applications Open
This paper presents a novel high-speed alternating current (AC) homopolar motor/generator design using stationary ReBCO excitation windings. Compact, lightweight, high-efficiency motors and generators are sought for a multitude of applicat…
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Investigation of AC Loss in HTS Cross-Conductor Cables for Electrical Power Transmission Open
This paper presents the alternating current (ac) loss analysis on high-temperature superconductor (HTS) cross-conductor (CroCo) cables, in order to evaluate whether they can be utilized for electrical power transmission. The modeling of HT…
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Transcranial Alternating Current Stimulation with Sawtooth Waves: Simultaneous Stimulation and EEG Recording Open
Transcranial alternating current stimulation (tACS) has until now mostly been administered as an alternating sinusoidal wave. Despite modern tACS stimulators being able to deliver alternating current with any arbitrary shape there has been…
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Narrow-band tunable terahertz detector in antiferromagnets via staggered-field and antidamping torques Open
We study dynamics of antiferromagnets induced by simultaneous application of\ndc spin current and ac charge current, motivated by the requirement of\nall-electrically controlled devices in THz gap (0.1-30 THz). We show that ac\nelectric cu…