Results 11 to 20 of about 280,821 (244)

Analysis on Application of Impressed Current Cathodic Protection for Buried Pipelines under AC Interference [PDF]

open access: yesCailiao Baohu, 2022
In order to study the effectiveness of pipeline cathodic protection system in preventing AC interference corrosion under AC interference, the testing device for stray current interference of buried steel pipelines was established, and the influence of ...
GUO Yong, DING Jifeng, GAO Zhixian, YIN An, ZHANG Bo, YANG Chaohui, LI Xiangyang
doaj   +1 more source

Proximity effect in a thin two-layer tubular conductor caused by a parallel filament [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2022
In this paper, we determine in a closed form the current distribution in a thin two-layer tubular conductor with a sinusoidal current in the presence of a filament with an equal but opposite current.
Filipović Dragan, Dlabač Tatijana
doaj   +1 more source

EIS analysis on the corrosion resistance of X80 steel under AC interference in simulated soil solution

open access: yesInternational Journal of Electrochemical Science, 2021
In this work, the corrosion mechanism of X80 steel under AC interference was studied with electrochemical measurements. The surface potential was monitored at various AC current densities.
Zhong Li   +3 more
doaj   +1 more source

Electrothermal Characterization and Optimization of Monolithic 3D Complementary FET (CFET)

open access: yesIEEE Access, 2021
For the first time, the electrothermal characteristics of a three-dimensional (3D) monolithic complementary FET (CFET) in DC operation as well as in AC CMOS operation were investigated with TCAD simulations.
Dongwon Jang   +3 more
doaj   +1 more source

Designing a New Controller in the Operation of the Hybrid PV-BESS System to Improve the Transient Stability

open access: yesIEEE Access, 2023
The main aim of this paper is to design a local controller for DC/DC converter in a battery energy storage system (BESS) and a controller based on a virtual synchronous generator (VSG) for photovoltaic (PV) converter connected to AC grid.
Mohana Alanazi   +5 more
doaj   +1 more source

Variable Extinction Angle Control Strategy Based on Virtual Resistance to Mitigate Commutation Failures in HVDC System

open access: yesIEEE Access, 2020
To mitigate commutation failures (CFs) and minimize the instability of HVDC systems due to AC faults or control mode ambiguity, a constant extinction voltage-time area based control strategy with virtual resistance is proposed.
Zhanhong Wei, Wanliang Fang, Jun Liu
doaj   +1 more source

Interaction of Cyprinus carpio Linnaeus with the biofilm-forming Aeromonas hydrophila [PDF]

open access: yesVeterinary World, 2022
Background and Aim: The resistance of susceptible fish populations and the adaptive potential of heterogeneous biofilms, which cause multiple antibacterial resistance and long-term persistence of microorganisms, mediate the development and outcome of the
Ekaterina Lenchenko   +4 more
doaj   +1 more source

Proximity effect in a shielded symmetrical three-phase line [PDF]

open access: yesSerbian Journal of Electrical Engineering, 2014
In this paper we present an approximate analysis of the proximity effect in a shielded symmetrical three-phase line with conductors of circular cross section.
Filipović Dragan, Dlabač Tatijana
doaj   +1 more source

Tunnel Magnetoresistance Sensor with AC Modulation and Impedance Compensation for Ultra-Weak Magnetic Field Measurement

open access: yesSensors, 2022
Tunnel magnetoresistance (TMR) is a kind of magnetic sensor with the advantages of low cost and high sensitivity. For ultra-weak and low-frequency magnetic field measurement, the TMR sensor is affected by the 1/f noise.
Wenlei Zhao   +3 more
doaj   +1 more source

Re-Examination of DFIG-Based Wind Park Small-Signal Instability

open access: yesIEEE Access, 2023
Doubly-fed induction generator-based wind park (DFIG-WP) can interact with both series-capacitor compensated and weak (low short circuit ratio) grids, thus causing instability, and called as series-capacitor sub-synchronous oscillation (SSO) and weak ...
Tao Xue   +3 more
doaj   +1 more source

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