A Review of Lightning Protection System - Risk Assessment and Application [PDF]
, 2017 A lightning strike could bring thousands mega-ampere of current in a blink of eyes. As a result, a failure of grounding the strike may cause serious damage to the home and industrial appliances and gadgets.
Azali, Noor Atiqah +6 more
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Dianci bileiqi, 2018 系统综述了基于数值仿真计算技术在金属氧化物避雷器（metal-oxide surge arresters,MOA）研究中的应用发展。共分3个方面:1)基于等效电路模型的数值仿真计算;2)基于电、机械与热的两或多物理量（场）耦合的金属氧化物电阻片（metal-oxide surge varistor,MOV）数值仿真计算;3)整只MOA的电场、温度场或多物理场耦合的数值仿真计算。对于MOV的建模和仿真计算,将来主要的努力方向是改进数学计算模型,以便可以描述ZnO晶界与时间和温度相关的特性 ...
赵冬一, 李凡, 汤霖
doaj
Novel current-limiting strategy for solid-state circuit breakers (SSCB) without additional impedance [PDF]
Current-limiting strategies for solid-state circuit breaker (SSCB) without adding impedance is introduced in this paper. With the current limitation of novel phase-shifting method, the advantages are simple hardware structure, relatively low cost, no ...
Castellazzi, Alberto +4 more
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STUDY ON SURGE ARRESTER PERFORMANCE DUE TO LIGHTNING STROKE IN 20 KV DISTRIBUTION LINES
Teknik, 2012 Electric energy has been transmiting from power station to end user with transmission and distribution lines.Lightning strokes are problems that occure in transmission and distribution lines and make them fault when theelectric energy were transmited ...
Agung Warsito +2 more
doaj
IEEE Open Journal of the Industrial Electronics SocietyThe dc solid-state circuit breaker (SSCB) is commonly used to protect sensitive equipment and enhance system stability by quickly interrupting fault currents, thereby increasing overall safety.
Phanit Sok +3 more
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Dielectric Loss and Electrical Conductivity Behaviors of Epoxy Composites Containing Semiconducting ZnO Varistor Particles. [PDF]
Molecules, 2022 Lei L, Chen C, Nie H, Wu X, Tan DQ.
europepmc +1 more source
Degradation analysis of metal oxide varistors under harmonic distortion conditions [PDF]
, 2016 A thesis submitted in ful lment of the requirements for the degree Doctor of Philosophy in Electrical Engineering May 2016Modern electrical networks provide an opportunity for inevitable interaction between metal oxide arresters and power system ...
Bokoro, Pitshou Ntambu
core
Devices Selection and Topology Comparison for Medium Voltage DC Solid State Circuit Breakers [PDF]
, 2017 DC grid has been treated as a viable solution to solve green-house effect and reduce the cost of fossil fuels. Compared with AC grid, DC grid shows many inherent advantages, such as high efficiency power delivery, less expensive to deploy and no need for
Zhang, Yihui
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Improved Numerical Modeling of Electro-Thermal Coupling of MOVs Based on PSO Algorithm [PDF]
Metal oxide varistors (MOVs) have been widely employed in DC interruptions to absorb system energy and clamp overvoltage. Specifically, for operating conditions that require continuous actions, such as reclosing, the cumulative effect of temperature may ...
Bai, Yunfan +5 more
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Overload protection for AC-DC transfer measurement standards [PDF]
, 2020 : Electrical transient overloads (ETOs) are inherent to electrical and electronic systems, especially those that are composed of semiconductor materials.
Kgakatsi, Thato Ernest
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