Results 81 to 90 of about 181 (134)
, 2008 A capacitor in series with a transmission line is protected from overvoltage due to a large fault current by a nonlinear metal-oxide varistor (MOV) connected in parallel.
SOMAN, SA +3 more
core +1 more source
Gaoya dianqi为研究IEEE模型和Pinceti模型对金属氧化物压敏电阻（metal-oxide varistor，MOV）的仿真准确性，以额定电压为150～750 V的6种MOV为对象，理论和试验分析了不同幅值4/10 μs、8/20 μs雷电冲击电流和30/60 μs操作冲击电流下的残压及吸收能量。结果表明，在IEEE模型参数确定中，随操作冲击电流幅值的增大，非线性电阻参考电压取值增大但电感取值减小；在残压预测中，IEEE模型误差为2.6%，较Pinceti模型误差4.6%更准确；在MOV吸收能量估算中 ...
王伟芳 +4 more
doaj
A Notch Filter-Based Coupling Circuit for UNB and NB PLC Systems. [PDF]
Sensors (Basel), 2022 da Silva Costa LG +4 more
europepmc +1 more source
The Influence of Grain Boundaries in Metal Oxide Varistors on Their AC Electrical Behavior
, 1986 The zinc oxide varistor is a two terminal polycrystalline device with an excellent symmetric nonlinear current-voltage characteristic with respect to the polarity of the applied voltage.
Alim, Mohammad Anwarul
core
, 2009 A study to improve the V-I characteristic of the ZnO-based commercial MOV using a characterised chalcogenide material, Silicon Telluride (SiTe2), and a fieldemissive material, Lanthanum Hexaboride (LaB6), has been conducted.
Hove, Miidzo
core
A Low-Cost Surge Current Detection Sensor with Predictive Lifetime Display Function for Maintenance of Surge Protective Devices. [PDF]
Sensors (Basel), 2020 Lee Y, Lee YS.
europepmc +1 more source
Study on surge protection system
, 2011 Access is limited to UniMAP community.This project is to study on surge protection system. This project also involves the design and construction of surge protection system which includes the software and hardware component test.
Hasmiza, Ahmad
core
Development of specifications for a thermal buffer device
, 2004 This paper looks at the operation of Metal Oxide Varistors (MOV) in a Hybrid Fault Current Limiting and Interrupting Device (HFCLID), wherein, the MOV is required to take the burden for an extended time (increased number of cycles) and repetitively.
Penlington, Roger +2 more
core
Research on Protection Performance of Surge Protective Devices against Electromagnetic Pulse.
Appl Bionics Biomech, 2022 Zhao Z, Wang S, Cui Y.
europepmc +1 more source
, 2018 M.Tech. (Electrical Engineering)Abstract: MOVs are often used as overvoltage protective devices on electrical and electronic circuits as a result of their highly nonlinear V-I characteristic.
Muremi, Lutendo
core