Results 1 to 10 of about 395,135 (242)

Mathematical Model Predicting the Heat and Power Dissipated in an Electro-Conductive Contact in a Hybrid Woven Fabric [PDF]

AUTEX Research Journal, 2020
Electro-conductive (EC) yarns can be woven into a hybrid fabric to enable electrical current to flow through the fabric from one component A to another component B. These hybrid fabrics form the bases of woven e-textiles.
Hertleer Carla, Meul Jeroen, De Mey Gilbert, Vasile Simona, Odhiambo Sheilla A., Van Langenhove Lieva   +5 more
doaj   +3 more sources

Research on electrothermal characteristics of metal oxide varistor based on multi‐physical fields

IET Generation, Transmission & Distribution, 2022
The electrothermal characteristics of metal oxide varistor (MOV), closely related to its microstructure, are important for studying its failure mechanism.
Qibin Zhou, Xin Huang, Ting Cao, Bin Shao, Yabin Liu   +4 more
doaj   +2 more sources

Comprehensive Analysis of Transient Overvoltage Phenomena for Metal-Oxide Varistor Surge Arrester in LCC-HVDC Transmission System with Special Protection Scheme

Energies, 2022
This paper proposes a systematic and deterministic method for metal-oxide varistor (MOV) surge arrester selection based on the comprehensive analysis in line-commutated converter (LCC)-based high-voltage direct current (HVDC) transmission systems.
Jaesik Kang
doaj   +2 more sources

Faulty Phase Identification for Transmission Line with Metal Oxide Varistor-protected Series Compensator

Journal of Modern Power Systems and Clean Energy, 2021
The nonlinear operation of metal oxide varistor (MOV)-protected series compensator in transmission lines introduces complications into fault detection approaches.
Mohammed Hussien Hassan Musa, Ling Fu, Zhengyou He, Yumin Lei   +3 more
doaj   +2 more sources

FDTD Electromagnetic and Thermal Simulation of a Metal Oxide Varistor Element Considering the Temperature Dependence of Its Resistivity

Electricity, 2021
Electromagnetic fields and the heat of a metal oxide varistor (MOV), in which a lightning impulse current flows, are calculated using the finite-difference time-domain (FDTD) method.
Tokuya Tanaka, Yoshihiro Baba, Yoshimasa Tsujimoto, Naoyuki Tsukamoto   +3 more
doaj   +2 more sources

Preliminary study on pulse width adjustable pulse generator based on the magnetic switch and metal-oxide varistor

AIP Advances, 2018
The pulsed power technology has been applied to many defense and industrial fields. Different applications have different demands on the parameters of the pulsed power systems. However, the parameters of the current pulsed power systems are usually fixed
Yancheng Cui, Chengyu Shi, Hanwu Yang, Jingming Gao, Song Li, Qilin Wu   +5 more
doaj   +2 more sources

Analysis of Metal Oxide Varistor Arresters for Protection of Multiconductor Transmission Lines Using Unconditionally-Stable Crank–Nicolson FDTD

Energies, 2020
Surge arresters may represent an efficient choice for limiting lightning surge effects, significantly reducing the outage rate of power lines. The present work firstly presents an efficient numerical approach suitable for insulation coordination studies ...
Erika Stracqualursi, Rodolfo Araneo, Giampiero Lovat, Amedeo Andreotti, Paolo Burghignoli, Jose Brandão Faria, Salvatore Celozzi   +6 more
doaj   +2 more sources

Reliable directional relaying for T-Connected Series-Compensated transmission lines [PDF]

Scientific Reports
This article introduces an extensive directional relaying algorithm designed for series-compensated transmission lines. The proposed algorithm relies on observing the locus of the calculated impedance of the change of the positive-sequence circuit.
Mahmoud A. Elsadd, Ahmed R. Adly, Mahmoud M. Elgamasy   +2 more
doaj   +2 more sources

Condition monitoring and deterioration analysis of metal oxide varistor [PDF]

Journal of Electrical Engineering, 2018
Abstract With the growing demand for application of metal-oxide varistor (MOV) in low-voltage electronic circuits for overvoltage protection, it is necessary to ensure its performance to avoid the short-circuit and the line-to-ground fault during operation.
Guoming Wang, Woo-Hyun Kim, Jong-Hyuk Lee, Gyung-Suk Kil   +3 more
openaire   +2 more sources

A Device for Investigating the AC Characteristics of Metal Oxide Varistors

IET Power Electronics
In recent years, the AC characteristics of metal oxide varistors have attracted growing research interest. This study presents an insulated‐gate bipolar transistor‐based device designed to address the limitations of existing power supply systems, which ...
Xinyan Xiao, Lanjun Yang, Yonggang Yue
doaj   +2 more sources